Building Materials Quiz

◀ PrExIn presents ▶

41. The height between two floor is 3.00 m and riser is 150 mm. Assuming two flights between the floors, the number of treads will be:

A) 18
B) 19
C) 20
D) 21

... Answer : A) 18
Explanation : The height between two floor is 3.00 m and riser is 150 mm. Assuming two flights between the floors, the number of treads will be 18.

42. Half turn stairs are the stairs which change their direction through :

A) 90 degree
B) 180 degree
C) 270 degree
D) 360 degree

... Answer : B) 180 degree
Explanation : Half turn stairs are the stairs which change their direction through 180 degree.

A)  Half turn stairs
B)  Quarter turn stairs
C)  Straight stairs
D)  Three quarter turn stairs

... Answer : A) Half turn stairs
Explanation : Doglegged stairs are Half turn stairs.

44. Nosing is the outer projecting edge of a –

A)  Riser
B)  Tread
C)  Baluster
D)  Landing

... Answer : B) Tread
Explanation : Nosing is the outer projecting edge of a Tread.

45. The lower most horizontal piece of a shutter is known as –

A)  Style
B)  Transom
C)  Sill
D)  Bottom rail

... Answer : D) Bottom rail
Explanation : The lower most horizontal piece of a shutter is known as Bottom rail.


Enter your explanation

46. From the point of view of maximum day light, the windows in a room should be located on –

A)  Eastern side
B)  Western side
C)  Northern side
D)  Southern side

... Answer : D) Southern side
Explanation : From the point of view of maximum day light, the windows in a room should be located on Southern side.

47. In 10 DS 20, DS refers to:

A) Double shutter door
B) Single shutter door
C) Double shutter window
D) Single shutter window

... Answer : B) Single shutter door
Explanation : In the size of the door, D stands for door, S stands for single shutter, T stands for double shutter and the number indicates the modular value of the size. Hence, 10 DS 20 means a 1000 mm wide door with single shutter of height 2000 mm.

48. The minimum number of holdfasts recommended on each side of a door frame and a window frame respectively are –

A) 2 and 1
B) 3 and 2
C) 2 and 2
D) 2 and 3

... Answer : B) 3 and 2
Explanation : The minimum number of holdfasts recommended on each side of a door frame and a window frame respectively are 3 and 2.

49. The horizontal projections at head and sill of a door frame which are embedded into the side walls for fixing the frame are known as-

A) Horns
B) Holdfasts
C) Jambs
D) Rebates

... Answer : A) Horns
Explanation : he horizontal projections at head and sill of a door frame which are embedded into the side walls for fixing the frame are known as Horns.

50. The type of window provided on the sloping side of a pitched roof is called –

A) Dormer window
B) Gable window
C) Lantern
D) None of above

... Answer : A) Dormer window
Explanation : The type of window provided on the sloping side of a pitched roof is called Dormer window.

51. As compared to top rail, the bottom and lock rails in a door frame are normally made –

A) Thinner
B) Thicker
C) Wider
D) Narrower

... Answer : C) Wider
Explanation : As compared to top rail, the bottom and lock rails in a door frame are normally made wider.

52. The opening left in flat roofs for lighting purposes is called –

A) Lantern
B) Dormer window
C) Sky light
D) Gable window

... Answer : A) Lantern
Explanation : The opening left in flat roofs for lighting purposes is called Lantern.

53. The suitable door for entrance in an air-conditioned building is a –

A) Revolving door
B) Louvered door
C) Collapsible door
D) Swinging door

... Answer : A) Revolving door
Explanation : The suitable door for entrance in an air-conditioned building is a Revolving door.

54. Minimum elongation of steel for Fe250 and Fe415 respectively should be:

A) 14.5% and 14.5%
B) 14.5% and 23%
C) 23% and 14.5%
D) 23% and 23%

... Answer : C) 23% and 14.5%
Explanation : Minimum elongation of steel for Fe250 and Fe415 respectively should be 23% and 14.5%.

55. Select the incorrect statement –

A) Cullet is a broken glass added to the batch prior to melting.
B) Glass is unaffected by hydrofluoric acid.
C) Lehr is a cooling oven in which completed articles of glassware are slowly cooled at a controlled rate.
D) None of the above

... Answer : B) Glass is unaffected by hydrofluoric acid
Explanation : Only a few chemicals aggressively attack glass. Hydrofluoric acid, concentrated phosphoric acid (when hot, or when it contains fluorides), hot concentrated alkali solutions and superheated water are few examples who attack glass. Hydrofluoric acid is the most powerful of this group; it attacks any type of silicate glass.

56. Select the correct statement –

A) Thermoplastics undergo chemical change in the presence of heat.
B) Thermoplastic does not soften on heating.
C) Both (a) and (b)
D) None of the above

... Answer : D) None of the above
Explanation :

57. Which of the following defect is caused by vapourization of entrapped moisture or solvents in a painted surface –

A) Saponification
B) Blistering
C) Blooming
D) Cissing

... Answer : B) Blistering
Explanation : Heat blistering caused by painting in direct sunlight on a surface that is too warm. Moisture blistering can be caused by the migration of water through an interior wall to the exterior, thus pushing the paint off of the surface.

58. Extenders are added to the paint body to –

A) Give color
B) Accelerate the process of drying
C) Reduce the viscosity
D) Increase the volume

... Answer : D) Increase the volume
Explanation : Extenders are added to the paint body to increase the volume.

59. Fiber saturation point of timber is the moisture content in % when –

A) It is 12%
B) The cell walls are saturated with water and cells cavity contains no water
C) The cell walls are dried and cells cavity contains water
D) The cell walls are dried and cells cavity contains no water

... Answer : B) The cell walls are saturated with water and cells cavity contains no water
Explanation : Fiber saturation point of timber is the moisture content in % when he cell walls are saturated with water and cells cavity contains no water.

60. Which of the following mortar is most suitable for construction work in waterlogged areas –

A) Lime mortar
B) Gauged mortar
C) Cement mortar
D) Mud mortar

... Answer : C) Cement mortar
Explanation : Cement mortar is most suitable for construction work in waterlogged areas.

Next Page ⇛

⇚ Previous Page