Basic Civil Engineering (3110004) MCQs

MCQs of Introduction to Civil Engineering & Civil Engineering materials

Showing 71 to 80 out of 114 Questions
71.
Seasoning of timber is done for
(a) Increasing moisture content
(b) Decreasing moisture content
(c) Increasing strength of timber
(d) None to these
Answer:

Option (b)

72.
The steel used for the manufacture of rails, is
(a) Bessemer steel
(b) Mild steel
(c) Cast steel
(d) Stainless steel
Answer:

Option (a)

73.
Granite is not suitable for ordinary building purpose because
(a) It cannot be polished
(b) It is not a fire proof material
(c) It is costly
(d) It has less crushing strength
Answer:

Option (c)

74.
In the cement the compound quickest to react with water, is
(a) Tri-calcium aluminate
(b) Tetra-calcium alumino-ferrite
(c) Tri-calcium silicate
(d) Di-calcium silicate
Answer:

Option (a)

75.
Which of the following gradients exerts maximum influence on properties of steel?
(a) Iron
(b) Carbon
(c) Manganese
(d) Sulphur
Answer:

Option (b)

76.
Stainless steel contains
(a) 18% of chromium and 8% nickel
(b) 8% of chromium and 18% of nickel
(c) 12% of chromium and 36% of nickel
(d) 36% of chromium and 12% of nickel
Answer:

Option (a)

77.
Excess of silica in brick earth results in
(a) Cracking and warping of bricks
(b) Loss of cohesion
(c) Enhancing the impermeability of bricks
(d) None of the above
Answer:

Option (b)

78.
The slump recommended for mass concrete is about
(a) 25 mm to 50 mm
(b) 50 mm to 100 mm
(c) 100 mm to 125 mm
(d) 125 mm to 150 mm
Answer:

Option (a)

79.
Wrought iron is used for
(a) Structural works in beams
(b) Small sized water pipes
(c) Columns and struts
(d) None to these
Answer:

Option (b)

80.
Which of the following timbers is suitable for making sports goods?
(a) Mulberry
(b) Mahogany
(c) Sal
(d) Deodar
Answer:

Option (a)

Showing 71 to 80 out of 114 Questions