Basic Civil Engineering (3110004) MCQs

MCQs of Introduction to Civil Engineering & Civil Engineering materials

Showing 41 to 50 out of 114 Questions
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41.
Number of bricks required for one cubic metre of brick masonry is
(a) 400
(b) 450
(c) 500
(d) 550
Answer:

Option (c)

42.
The main ingredients of Portland cement are
(a) Lime and silica
(b) Lime and alumina
(c) Silica and alumina
(d) Lime and iron
Answer:

Option (a)

43.
After storage, the strength of cement
(a) Decreases
(b) Increases
(c) Remains same
(d) May increase or decrease
Answer:

Option (a)

44.
The ultimate tensile strength of structural mild steel is about
(a) 160 N/mm²
(b) 260 N/mm²
(c) 420 N/mm²
(d) 520 N/mm²
Answer:

Option (c)

45.
The percentage of alumina and silica in good fire clay vary respectively is
(a) 25, 75
(b) 30, 70
(c) 35, 65
(d) All of these
Answer:

Option (a)

46.
The proportions of lime and sand in the mortar normally used in brick construction are
(a) 1 : 2
(b) 1 : 4
(c) 1 : 6
(d) 1 : 8
Answer:

Option (a)

47.
Which of the following sedimentary rocks changes into quartzite by metamorphic action?
(a) Sand stone
(b) Lime stone
(c) Shale
(d) Gypsum
Answer:

Option (a)

48.
According to IS 399-1963, the weight of the timber is specified at
(a) 8% moisture content
(b) 10% moisture content
(c) 12% moisture content
(d) 14% moisture content
Answer:

Option (c)

49.
Pick up the correct statement from the following
(a) The free quartz suddenly expands at a temperature lower than 600°C
(b) The lime stone resists fire upto about 800°C and at higher temperature it splits into CaO and CO2
(c) The sand stone with silicates resist a fire in a better way
(d) All the above
Answer:

Option (d)

50.
The initial setting time for ordinary Portland cement as per IS specifications should not be less than
(a) 10 minutes
(b) 30 minutes
(c) 60 minutes
(d) 600 minutes
Answer:

Option (b)

Showing 41 to 50 out of 114 Questions
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