Civil engineering objective building of construction

I. Select the correct choice to answer the following questions.

1. In case of gable facing the street, height of building is considered upto

(a) the top of gable end.

(b) up to the midpoint of gable end.

(c) up to the lower end of gable.

(d) up to rd the height of gable end.

 Ans -B

2. Building line is 

(a) least horizontal distance of the permanent portion of the building from centre line of street in

front of the building.

(b) least horizontal distance of the permanent portion of the building from the edge of the street in

front of the building.

(c) least horizontal distance of temporary or permanent building from centre line of street.

(d) least horizontal distance of temporary or permanent part of the building from the edge of street.

 Ans- A

3. In case of corner plots, according to National Building Code,

(a) only lower 0.75 m should be solid for a distance of at least 10 m

(b) only lower 1.0 m should be solid for a distance of at least 5 m

(c) only lower 0.75 inch should be solid for a distance of at least 5 m.

(d) only 1.0 m should be solid for a distance of at least 5 m.

 Ans-A

4. Rankine’s formula to fix minimum depth of foundation for wall with usual rotation is

(a)

(b)

(c)

(d)

5. Suitable foundation for steel columns is

(a) mat foundation

(b) combined foundation

(c) strap footing

(d) grillage footing

 Ans-D

6. Pile is a slender column made of

(a) wood

(b) concrete

(c) sound

(d) any of the above

 Ans- D

7. For pile driving near the existing buildings piles preferred are

(a) steel

(b) precast concrete piles

(c) cast in situ concrete piles

(d) timber piles

 Ans-A

8. The maximum intensity of loading that the soil will safely carry without the risk of shear failure

irrespective of settlement is known as

(a) ultimate bearing capacity

(b) safe bearing capacity

(c) safe bearing pressure

(d) gross allowable bearing pressure

 Ans-B

9. Factor of safety of soil is

(a)

(b)

(c)

(d)

10. Maximum bearing capacity of soil is that of

(a) soft rock

(b) coarse sand

(c) fine sand

(d) sand-clay mixture

 Ans-A

11. Bearing capacity of soil can be improved by

(a) draining the soil

(b) confining the soil

(c) compacting

(d) any of the above

 Ans- D

12. In trenching for foundations boning rod is used to

(a) maintain the required spacing between the sheetings

(b) to strengthen the frame supporting sheeting

(c) to check the level of foundation depth

(d) to strengthen sheeting

 Ans- c

13. To ensure that the older structure is not damaged due to the depth of foundation of new structure

being more, the line joining the nearest points of two foundations in case of soft soil should not be

more than

(a) 10°

(b) 20°

(c) 30°

(d) 45°

 Ans-c

14. A temporary structure built around a construction site to remove water and make the area

reasonably dry is known as

(a) caisson

(b) cofferdam

(b) well foundation

(d) raft foundation

 Ans- B

15. If depth and flow of water is high, the type of cofferdam to be used is

(a) sandbag dike

(b) earthen cofferdam

(c) rockfill cofferdam

(d) rockfill crib cofferdam

 Ans- D

16. A watertight chamber, which becomes a permanent part of the construction work is known as

(a) cofferdam

(b) well foundation

(c) raft foundation

(d) caisson

Ans-D

17. In summer cracks developed in black cotton soil are

(a) 5–10 mm wide and 1–2 m deep

(b) 30–40 mm wide and 3–5 deep

(c) 100–150 mm wide and 0.5–2.0 m deep

(d) 300–400 mm wide and 3–m deep

 Ans- c

18. In rainy season black cotton soil swells by

(a) 5–10 %

(b) 10–15 %

(c) 20–30 %

(d) 35–45 %

Ans-c

19. Sand blasting is the process of

(a) quarrying of igneous rock

(b) quarrying of sedimentary rock

(c) dressing stones

(d) making carvings on the surface of stone

 Ans-D

20. The cheapest stone masonry is

(a) dry rubble masonry

(b) uncoursed random rubble masonry

(c) random square rubble masonry

(d) flint walling

 Ans-A

21. Among the following the costliest masonry work is

(a) ashlar champered

(b) ashlar rock faced

(c) ashlar fine tooled

(d) ashlar block in course

Ans- c

22. The types of joints made in stone masonry are

(a) butt joint

(b) lap joint

(c) dowel joint

(d) all the above

 Ans-D

23. For lifting stones in building works device used is

(a) chain or rope

(b) Lewis

(c) tongs

(d) any of above

 Ans-D

24. The common thickness used for stone walls in a building is

(a) 200 mm

(b) 230 mm

(c) 300 mm

(d) 400 mm

 Ans- D

25. In stone masonry works, through stones should be provided at

(a) 1.0 m distances

(b) 1.5 m distances

(c) 2.0 m distances

(d) 2.5 m distances

Ans-B

26. A brick with its longer face in the direction of wall is known as

(a) stretchers

(b) header

(c) quoin

(d) perpend

 Ans- A

27. A brick with its shorter face in the direction of the wall is

(a) stretcher

(b) header

(c) quoin

(d) perpend

 Ans-B

28. Perpend is an imaging line of mortar joints in brick masonry which is

(a) horizontal

(b) vertical passing through all courses

(c) vertical passing through alternate courses.

(d) none of the above

 Ans-c

29. Portion of the brick cut across full width is known as

(a) queen closer

(b) king closer

(c) mitred closer

(d) bat

 Ans-D

30. Construction of a wall starts from

(a) one corner and proceeds to other corner

(b) both corners and proceeds to middle portion

(c) middle portion and proceeds towards corners

(d) any of the above

Ans-B

31. Header bonds are used in the construction of

(a) half brick thick walls

(b) one brick thick walls

(c) brick thick walls

(d) 2 brick thick wall

 Ans-B

32. A type of bond in brick masonry consisting of alternate courses of header and stretchers, is

(a) stretchers band

(b) header band

(c) English band

(d) Flemish band

 Ans-C

33. A type of bond in the brick masonry in which each course consists of alternate headers and

stretchers is

(a) English bond

(b) Raking bond

(c) Dutch bond

(d) Flemish bond

 Ans-D

34. Diagonal bond is a pattern of bond in

(a) English bond

(b) Flemish bond

(c) Dutch bond

(d) Raking bond

 Ans- D

35. Quoins in brick masonry are

(a) bricks cut at corners in a triangular fashion

(b) half brick with length same but width halved

(c) squint junction of walls

(d) corner junction of walls

 Ans-D

36. The wall provided to increase the capacity of a wall to resist latest thrust is known as

(a) wing wall

(b) retaining wall

(c) buttress wall

(d) all the above

 Ans- C

37. Vertical faces of walls meant for fixing door, window or ventilator are known as

(a) jambs

(b) sills

(c) corbels

(d) coping

 Ans-A

38. Curing is required for

(a) R.C.C. works

(b) lime concrete work

(c) brickwork

(d) all the above

 Ans-D

39. Fire resistance is highest in case of

(a) R.C.C. works

(b) stone masonry

(c) brick masonry

(d) timber structure

 Ans-C

40. Number of standard bricks required for 1 m3 of masonry is

(a) 400

(b) 500

(c) 600

(d) 800

 Ans- B

41. A groove provided on the underside of coping to keep rainwater clear of wall is known as

(a) cornice

(b) corbel

(c) jamb

(d) throating

 Ans- D

42. Steps provided from ground to main entrance in external wall is called

(a) threshold

(b) stairs

(c) pedestal

(d) any of the above

 Ans- A

43. To make concrete blocks light

(a) fine aggregate may be avoided

(b) light weight aggregates may be used

(c) sections may be made hollow

(d) any of the above may be used

 Ans-D

44. Usual sizes of concrete blocks are

(a) 190 × 90 × 90 mm

(b) 200 × 200 × 100 mm

(c) 400 × 200 × 200 mm

(d) 400 × 200 × 190 mm

 Ans- D

45. The minimum strength of concrete blocks should be

(a) 30 N/mm2

(b) 40 N/mm2

(c) 50 N/mm2

(d) 60 N/mm2

 Ans-D

46. Concrete blocks may be given the following finishes:

(a) coarse textured

(b) glazed finish

(c) coloured finish

(d) any of the above

Ans- D

47. Reinforced brick construction is commonly used for

(a) walls

(b) partition walls

(c) compound walls

(d) lintels

 Ans- D

48. Brick masonry constructed within a framework of wooden members to act as partition walls is

called

(a) lath partition

(b) block partition

(c) brick nogging

(d) trussed partition

 Ans- C

49. Glass block partitions are made using blocks of size

(a) 100 × 100 × 200 mm

(b) 120 × 120 × 100 mm

(c) 140 × 140 × 100 mm

(d) 150 × 150 × 100 mm

 Ans- C

50. In cavity walls ties are placed to connect two leaves at

Vertical spacing Horizontal spacing

(a) 600 mm 300 mm

(b) 900 mm 450 mm

(c) 1200 mm 600 mm

(d) 2000 mm 1000 mm

 Ans- B

51. In cavity walls the thicknesses of leaves are

(a) equal

(b) inner thinner, outer thicker

(c) inner thicker, outer thinner

(d) any of the above

 Ans- c

52. Thumb rule to decide window area for a residential building is there should be 1 m2 area for

every ______ m3 of internal area

(a) 20 m3

(b) 30 m3

(c) 40 m3

(d) 50 m3

Ans- B

53. Preferable window area to floor area in a residential building is

(a) 10–15 %

(b) 15–20 %

(c) 20–25 %

(d) 30 %

Ans- B

54. Projection of the frame beyond the opening is known as

(a) head

(b) style

(c) mullian

(d) horn

 Ans- D

55. Which one of the following is not the member of door shutter

(a) style

(b) panel

(c) sash bar

(d) reveal

 Ans- D

56. 1000 × 2000 mm door with double shutter is designated as

(a) 10 DS 20

(b) 1000 DS 2000

(c) 10 DT 20

(d) 1000 DT 2000

 Ans- C

57. Ledge is a

(a) horizontal member of a shutter

(b) horizontal member of a door frame

(c) vertical member of a shutter

(d) vertical member of door frame

 Ans- A

58. The horizontal members of panelled doors are known as

(a) styles

(b) rails

(c) ledges

(d) bracings

 Ans- B

59. Louvered doors are preferred when

(a) privacy is required

(b) ventilation is required

(c) lighting is required

(d) both privacy and ventilation are required

 Ans- D

60. Vertical member employed to subdivide a window opening vertically is called

(a) mullian

(b) transome

(c) louvre (d) style

 Ans-A

61. The size of frame of a panel door is

(a) 80 × 60 mm

(b) 90 × 60 mm

c) 100 × 60 mm

(d) 100 × 65 mm

 Ans-D

62. Thickness of vertical style, top rail and lock rail of a panelled door should be

(a) 25 mm

(b) 30 mm

(c) 35 mm

(d) 40 mm

 Ans- D

63. Thickness of panels in a door should be

(a) 12–15 mm

(b) 15–20 mm

(c) 20–25 mm

(d) 25–30 mm

 Ans- A

64. Inclined wooden boards providing additional strength to battens in the battened and ledged door

are called

(a) ledges

(b) braces

(c) panels

(d) styles

 Ans- B

65. Doors meant to allow fresh air and at the same time prevent entry of insects is known as

(a) lowered door

(b) wire gauzed door

(c) collapsible

(d) rolling shutter

 Ans-B

66. 12V6 means a ventilator

(a) 1200 mm wide, 600 mm high

(b) 600 mm wide, 1200 mm high

(c) 120 mm wide, 60 mm high

(d) 60 mm wide, 120 mm high

 Ans-A

67. Which one of the following statement is wrong about ventilators?

(a) Opening left may be of brick jali work.

(b) Opening may be with cement mortar jali work.

(c) It is by providing horizontally pivoted shutter.

(d) It is by providing vertically pivoted shutter.

 Ans- D

68. The fixture provided on external door for locking is known as

(a) aldrop bolt

(b) flush bolt

(c) barred bolt

(d) tower bolt

 Ans- A

69. The end bearing for lintels should be greater than the following

(a) 100 mm

(b) the span

(c) depth of lintel

(d) all the above

ans-D

70. Arches of centres are built

(a) 1

(b) 3

(c) 5

(d) all of the above

 Ans- D

71. The arches made with bricks prepared to the exact shape and size are known as

(a) axed brick arch

(b) gouged brick arch

(c) ashlar brick arches

(d) any of the above

 Ans- B

72. The best arrangement for decentring of an arch is

(a) providing wedges between centring and staging

(b) using sand box method

(c) using wood centring

(d) using steel centring

 Ans- B

73. The order of placing keystone, voussoirs and skewbacks in which masonry arches are built is

(a) skewback – voussoir – keystone

(b) voussoir – skewback – keystone

(c) voussoir – keystone – skewback

(d) skewback – keystone – voussoir

 Ans- A

74. The inclined surface on the abutment which acts as a seat for the arch is known as

(a) springing

(b) haunch

(c) skewback

(d) key

 Ans- C

75. Maximum size of coarse aggregate used as base course in ground floor is

(a) 12 mm

(b) 20 mm

(c) 40 mm

(d) 50 mm

 Ans- C

76. Materials used for floor finishes are

(a) mud and murram

(b) bricks

(c) marble

(d) all of the above

 Ans-'D

77. Flooring with marble arrangement in different patterns in lime-surkhi or cement mortar is known

as

(a) terrazzo flooring

(b) mosaic flooring

(c) tiled flooring

(d) marble flooring

Ans- B

78. Brick flooring may be made with bricks

(a) laid flat

(b) laid on edges

(c) set at right angle to wall

(d) any of the above

 Ans- D

79. Asphalt flooring is

(a) made in different colours

(b) waterproof and jointless

(c) dust and insects free

(d) all the above

 Ans- D

80. Linoleum flooring is

(a) durable

(b) cheap

(c) dust free

(d) all the above

 Ans- D

81. In jack arch flooring the gap between two adjacent I-sections is covered with

(a) brick arch

(b) concrete arch

(c) timber arch

(d) either brick arch or concrete arch

 Ans- D

82. Roof in which slab is directly supported by column is known as

(a) grid floor

(b) flat slab

(c) two-way slab

(d) beam and slab floor

 Ans- B

83. In reinforced brick slabs, the brick

(a) resists compression

(b) resists tension

(c) just replaces concrete in tension

(d) resists shear

 Ans- C

84. Sides of each unit of precast slab are provided with groove to

(a) insert reinforcements on site

(b) allow drainage of water

(c) interlock with adjacent uni

(d) all the above

 Ans- C

85. Roofs are constructed keeping in view

(a) climatic conditions

(b) materials availability

(c) architectural considerations

(d) all the above

 Ans- D

86. Which one of the following in not a type of flat roof

(a) Punjab terrace roof

(b) Maharashtra and M.P. terrace roofs

(c) Madras terrace roof

(d) Rajasthan terrace roof

 Ans- D

87. In Madras terrace roof, furring pieces are provided

(a) to span between two I-sections

(b) to support brick to be laid

(c) to give required slope to the top surface

(d) to facilitate decentring.

 Ans- C

88. Hip is the line formed by the intersection of two sloping roofs, where the exterior angle is

(a) > 180°

(b) < 180°

(c) 90°

(d) < 90°

 Ans-A

89. Wooden planks used to fix the ends of common rafters projecting beyond sloping top of a gable

wall are known as

(a) eve boards

(b) ridge piece

(c) barge board

(d) battens

 Ans- C

90. The limiting span of a couple roof is

(a) 2.5 m

(d) 3.5 m

(c) 4.5 m

(d) 5.5 m

 Ans- B

91. The limiting span of a king post truss roof is

(a) 5 m

(b) 6 m

(c) 7 m

(d) 8 m

 Ans- D

92. The limiting span of a queen post roof truss is

(a) 6 m

(b) 8 m

(c) 10 m

(d) 12 m

 Ans- C

93. Number of vertical posts in a queen post truss is

(a) 1

(b) 2

(c) 4

(d) any number

 Ans- B

94. When more lighting is required in a building with fairly large width, the type of truss used is

(a) north-light truss

(b) fan truss

(c) fink truss

(d) pratt truss

 Ans- A

95. Steel trusses have almost replaced wooden trusses because

(a) they are light weight

(b) they are fireproof and termite proof

(c) they can be easily built to greater span

(d) all the above

 Ans-D

96. Very commonly used covering materials for steel trussed roof is

(a) shingles

(b) tiles

(c) A.C. sheets

(d) G.I. sheet 

 Ans- C

97. The total length of a stair in a horizontal plane is known as a

(a) run

(b) flight

(c) walk line

(d) flier

 Ans- A

98. The type of stairs with curved well formed between the two adjacent flights is known as

(a) open-newel stair

(b) turning stair

(c) dog-logged stair

(d) geometric stair

 Ans-D

99. Commonly required width of stair in residential building is

(a) 0.75 m

(b) 0.9 m

(c) 1.2 m

(d) 1.5 m

 Ans- B

100. Commonly required width of stair in public building is

(a) 1–1.25 m

(b) 1.5–2.5 m

(c) 2.5–3.5 m

(d) more than 3.5 m

 Ans- B

101. The desirable rise of stair in residential and public buildings are respectively.

(a) 150–175 mm and 120–150 mm

(b) 140–150 mm and 100–120 mm

(c) 120–150 mm and 150–175 mm

(d) 100–200 mm and 140–150 mm

 Ans- A

102. The goings provided for stairs in residential and public buildings are usually ______

respectively.

(a) 250 mm and 200 mm

(b) 200 mm and 250 mm

(c) 250 and 270 mm

(d) 270 mm and 250 mm

 Ans- C

103. If R is rise and G is going of stairs, the empirical formula used to fix rise and going is 2R + G

and it should be between

(a) 500–600 mm

(b) 550–650 mm

(c) 600–650 mm

(d) 650 to 700 mm

Ans- B

104. Headroom in a staircase should not be less than

(a) 1.8 m

(b) 1.9 m

(c) 2.0 m

(d) 2.1 m

 Ans- D

105. The slope of ramp provided to move from one floor to another floor should not be more than

(a) 1 in 15

(b) 1 in 18

(c) 1 in 21

(d) 1 in 24

Ans-A

106. Speed of escalators is usually

(a) 20–25 m/minute

(b) 25–30 m/minute

(c) 30–35 m/minute

(d) 35–40 m/minute

Ans-B

107. The inclination of escalators to horizontal is usually

(a) 20°

(b) 25°

(c) 30°

(d) 35°

Ans-C

108. It is mandatory to provide lifts in a building with more than ______ storeys.

(a) 2

(b) 3

(c) 4

(d) 5

 Ans- C

109. The maximum number of steps in a flight should be limited to

(a) 9

(b) 12

(c) 15

(d) 18

Ans- B

110. How many treads should be there in a dog legged stair connecting two floors with a vertical

distance of 3.6 m and rise of each step being 150 mm?

(a) 22

(b) 23

(c) 24

(d) 25

 Ans- A

111. For designing lifts weight of a person considered is

(a) 62 kg

(b) 65 kg

(c) 68 kg

(d) 72 kg

 Ans- C

112. Plastering is done to achieve

(a) decorative effect

(b) to rectify defective workmanship

(c) to protect walls from rodents attack

(d) all the above

 Ans- D

113. The thickness of a coat in plaster should not exceed

(a) 8 mm

(b) 10 mm

(c) 12 mm

(d) 15 mm

 Ans- C

114. External walls should have a minimum thickness of plaster of

(a) 15 mm

(b) 20 mm

(c) 25 mm

(d) 28 mm

 Ans- B

115. In a three-coat plaster, thickness of the finishing coat is

(a) 2–3 mm

(b) 5–6 mm

(c) 8–9 mm

(d) 10–12 mm

 Ans-A

116. Swelling in the form of small patches of plastered surface is known as

(a) blistering

(b) efflorescence

(c) cracking

(d) crazing

 Ans- A

117. Development of fine hair cracks in plastered surface is known as

(a) cracking

(b) crazing

(c) blistering

(d) flaking

Ans- B

118. Advantage of steel form work is

(a) It can be reused several time.

(b) Erection and removal is easy.

(c) It gives smooth surface finish.

(d) All the above.

Ans- D

119. Formwork for column consists of

(a) wedges

(b) bolts with washers

(c) yokes

(d) all of them

 Ans- D

120. Formwork for slab and beam consists of

(a) bearers

(b) ledgers

(c) brackets

(d) all of them

 Ans-D

121. The type of formwork preferred for the construction of chimneys is

(a) wooden formwork

(b) steel formwork

(c) slip formwork

(d) any of the above

Ans- C

122. Temporary structure erected to facilitate the construction of walls when the height is more than

1.5 m is known as

(a) scaffolding

(b) formwork

(c) centring

(d) shoring

 Ans- A

123. Brick layers scaffolding consists of

(a) only one row of standards

(b) two rows of standards

(c) one or two rows of standards

(d) any number of standards

 Ans- A

124. Masons scaffolding consists of

(a) only one row of standards

(b) two rows of standards

(c) one or two rows of standards

(d) any number of rows standards

 Ans- B

125. Cantilever scaffolding is used when

(a) the construction is in upper parts of multistorey building

(b) the ground is too weak to receive standards

(c) the space at ground level is required to be free of obstruction

(d) in any of the above situations

 Ans-D

126. Scaffolding used for painting is usually

(a) cantilever scaffolding

(b) treste scaffolding

(c) single scaffolding

(d) suspended scaffolding

 Ans-D

127. For maintenance works inside the building, the type of scaffolding used is

(a) cantilever scaffolding

(b) trestle scaffolding

(c) single scaffolding

(d) suspended scaffolding

ans-B

128. Which one of the following is not a type of shoring

(a) raking shore

(b) flying shore

(c) dead shore

(d) running shore

 Ans-D

129. Flying shores are used to strengthen

(a) single wall

(b) two adjacent walls

(c) tall walls

(d) any of the above

 Ans-B

130. In flying shores struts are provided

(a) in horizontal direction

(b) at 30° to horizontal

(c) at 45° to horizontal

(d) any of the above

 Ans-c

131. The flying shores should be provided at a spacing of

(a) 1–1.5 m

(b) 1.5–2.0 m

(c) 2–3 m

(d) 3–4.5 m

 Ans- D

132. When large openings are to be made in existing wall, the type of temporary work used is

(a) raking shore

(b) flying shore

(c) dead shore

(d) underpinning

 Ans- c

133. Sanitary fittings means various fittings used for

(a) water supply

(b) to drain kitchen and bathroom water

(c) to carry toilet water

(d) all the above

 Ans-D

134. Water requirement in a residential building per person per day is about

(a) 45 litres

(b) 135 litres

(c) 270 litres

(d) 340 litres

Ans-B

135. Water requirement per day per bed in a hospital is

(a) 45 litres

(b) 135 litres

(c) 270 litres

(d) 340 litres

 Ans- D

136. Water requirement per day per child in a school is

(a) 45 litres

(b) 135 litres

(c) 270 litres

(d) 340 litres

 Ans-A

137. All joints in a plumbing should be tested for water pressure of

(a) 30 m head

(b) 45 m head

(c) 60 m head

(d) 75 m head

 Ans-c

138. PVC pipes loosely fixed to walls

(a) since tight fitting may damage them

(b) to allow lateral expansion

(c) to allow longitudinal expansion

(d) all the above

 Ans-c

139. A water meter measures quantity of water

(a) by measuring velocity and time

(b) by counting filling and emptying of a chamber of known quantity

(c) by measuring weight of water passing per second

(d) any of the above

 Ans-B

140. In plumbing for water supply, valves are provided to

(a) avoid wastage of water due to leakage of taps

(b) to avoid wastage due to failures of floats of water tank

(c) to facilitate repairs to plumbing works

(d) all the above

 Ans-D

141. Which one of the following is not a type of trap used in plumbing

(a) P-type

(b) Q-type

(c) S-type

(d) Z-type

 Ans-D

142. Which one of the following is not a type of trap used in plumbing

(a) floor trap

(b) gully trap

(c) street trap

(d) intercepting trap

 Ans-c

143. Which one of the following is not a type of water closet?

(a) Indian type

(b) American type

(c) European type

(d) Anglo-Indian type

 Ans-B

144. If sheets or mastic asphalt are used for damp proofing, the lap should not be less than

(a) 100 mm

(b) 125 mm

(c) 150 mm

(d) 200 mm

 Ans-A

145. Methods of waterproofing basements is

(a) providing foundation draining and DPC

(b) providing R.C.C. raft and wall slab

(c) asphalt tanking

(d) any of the above

 Ans-D

146. Ventilation inside a building is necessary to

(a) remove body odour

(b) remove dust and bacteria-carrying particles

(c) prevent condensation or deposition of moisture in the building

(d) all the above

 Ans-D

147. In case of factories, assembly halls and auditoriums, space to be provided for every person for

good ventilation is

(a) 8–10 m3

(b) 10–12 m3

(c) 12–14 m3

(d) 14–16 m3

 Ans-D

148. For thermal comfort desirable wind speed

(a) increases with temperature and relative humidity

(b) increases with temperature but reduces with humidity

(c) decreases with both temperature and humidity

(d) decreases with temperature but increases with humidity

 Ans-A

149. Natural ventilation is achieved by proper location and size of

(a) doors and windows

(b) ventilations

(c) skylights

(d) all the above

 Ans-D

150. Maximum indoor velocity to outdoor velocity that can be achieved by adjusting openings in a

building is

(a) 0.25

(b) 0.40

(c) 0.60

(d) 0.75

 Ans-B

151. In plenum system, mechanical ventilation is achieved by providing

(a) ordinary fans

(b) exhaust fans

(c) air conditioners

(d) any one of the above

 Ans-A

152. Air conditioning system is to

(a) control temperature

(b) control humidity

(c) distribute treated air

(d) all the above

 Ans-D

153. In air conditioning comfortable air velocity to be achieved is

(a) 6–9 m/sec

(b) 9–12 m/sec

(c) 12–15 m/sec

(d) 15–18 m/sec

 Ans-A

154. The system in which filtration and humidity control are exercised at a central point but heating

and cooling systems are installed separately for different rooms is known as

(a) central system

(b) self-contained system

(c) semi-conditioned system

(d) combined system

Ans-c

155. In air conditioners, filter system may be a

(a) viscous filter

(b) dry filter

(c) electrical precipitator

(d) any of the above

 Ans-D

156. Humidification system in an air conditioner may be

(a) allowing air to pass on pans of water

(b) allowing air to pass on wet cloth strips

(c) using spray humidifier

(d) any one of the above

 Ans-D

157. Dehumidification system in air conditioning system may be

(a) condensation

(b) desiccation using absorbers

(c) desiccation using adsorbents

(d) any of the above

 Ans- D

158. Thermal insulation is

(a) conservation of constant heat inside a building

(b) heating a room

(c) cooling a room

(d) all the above

 Ans-A

159. Heat transmittance through doors and windows may be reduced by

(a) providing sunshades

(b) using louvered shutters

(c) using double glass with air space between them

(d) using any of them

 Ans-D

160. One hertz (Hz) frequency is

(a) 1 cycle/minute

(b) 1 m/minute

(c) 1 cycle/second

(d) 1 m/second

 Ans- c

161. Noise level in a building is expressed in terms of

(a) hertz

(b) watts/cm2

(c) decibels

(d) any of the above

 Ans-c

162. The sensation of second persists on ears for a period

(a) of a second

(b) of a second

(c) of a second

(d) of a second

Ans-C

163. To hear an eco the reflecting surface of sound should be at a minimum distance of

(a) 12.15 m

(b) 17.15 m

(c) 27.15 m

(d) 52.15 m

 Ans- B

164. Best acoustics is when reverberation time is

(a) 0.5–1.5 seconds

(b) 2–3 seconds

(c) 3–5 seconds

(d) more than 5 seconds

 Ans- A

165. Which one of the following has the highest coefficient of absorption?

(a) Brick wall

(b) Marble

(c) Wood veneer

(d) Audience

 Ans-D

166. Sound waves are absorbed by

(a) converting into heat energy

(b) damping

(c) resonance of air in containers with small opening

(d) all the above

 Ans- D

167. In an auditorium width of a chair should be

(a) 300–350 mm

(b) 350–400 mm

(c) 400–450 mm

(d) more than 450 mm

 Ans- D

168. In an auditorium back-to-back distance between the rows of seats should be at least

(a) 400 mm

(b) 450 mm

(c) 500 mm

(d) more than 500 mm

 Ans-B

169. In an auditorium ceiling should be at a height that the difference between direct sound path and

reflected sound path is less than

(a) 8 m

(b) 12 m

(c) 16 m

(d) 20 m

 Ans-a

170. On the basis of fire resistance, National Building Code of India, a building with fire resistance

Dowwne than 4 hours is classified as

(a) Type 1

(b) Type 2

(c) Type 3

(d) Type 4

 Ans-A

171. Bureau of Indian Standard has divided India into ______ number of earthquake zones

(a) 4

(b) 5

(c) 6

(d) 7

 Ans- B

172. From the consideration of earthquake resistance the plan of a building preferred is

(a) square

(b) rectangular

(c) T-shaped

(d) L-shaped

 Ans- A

173. From the consideration of earthquake resistance the width of openings in a wall should not

exceed ______ of length of wall

(a)

(b)

(c)

(d) half time

 Ans- c

174. To improve earthquake resistance of a building provide

(a) plinth band

(b) lintel band

(c) roof band

(d) all the three

Ans- D

175. Minimum area specified for mass housing is

(a) 15 m2

(b) 20 m2

(c) 25 m2

(d) 30 m2

 Ans-B

176. According to the International Energy Agency, buildings account for ______ per cent of the

worlds total primary energy consumption

(a) 24

(b) 30

(c) 40

(d) 50

Ans-B

177. A green building is the

(a) one with green colour

(b) building surrounded with garden

(c) structure that aims to reduce negative environmental effects

(d) all the above

 Ans- C

178. The LEED system rates buildings platinum on the basis of

(a) 26–32 points

(b) 33–33 points

(c) 39–51 points

(d) 52 or more

 Ans-D

179. Which one of the following is wrong about the bar chart?

(a) It exhibits only major activities.

(b) The effect of delay of an activity on other activities cannot be seen easily.

(c) If does not indicate which activity is critical.

(d) It cannot be understood by all easily.

 Ans-D

180. Choose the correct statement about CPM.

(a) A number of small jobs that are to be performed in a sequence to complete the project are

known as events.

(b) The tail of an arrow represents the start of an event.

(c) Head of an arrow represents end of the an event.

(d) Dummy activity neither requires any time nor any resource.

Ans- D