Q.41. Gypsum used in cement manufacturing acts as
(a) accelerator
(b) air entering agent
(c) plasticizer
(d) retarder
Answer : option D
Q.42. The woodworks should be measured to nearest
(a) 0.001 m
(b) 0.002 m
(c) 0.003 m
(d) 0.004 m
Answer : option B
Q.43. Anti-siphone pipe is connected to
(a) Main soil pipe
(b) Bottom of P trap W.C.
(c) Top of P trap W.C.
(d) Side of Water Closest
Answer : option C
Q.44. As a cheap alternative, the fineness of cement is tested by
using
(a) IS 100 μ sieve where at least 90% (by weight) should be retained
(b) IS 90 μ sieve where at least 90% (by weight) should pass
(c) IS 90 μ sieve where at least 95% (by weight) should pass
(d) IS 100 μ sieve where at least 90% (by weight) should pass
Answer : option B
Q.45. Strain energy due to sudden axial load is given by:
σ : resultant stress
P : Axial load
Δ : detonator
∊ : strain
E : modulus of elasticity
(a) (1/2) PΔ
(b) σ.∊
(c) PΔ
(d) σ²/2E
Answer : option C
Q.46. The maximum permissible stress for hand driven river in axial tension is :
(a) 250 N/mm²
(b) 80 N/mm²
(c) 90 N/mm²
(d) 100 N/mm²
Answer : option B
Q.47. Most accurate method of estimation is base on
(a) Building cost index estimate
(b) Plinth area estimate
(c) Detailed estimate
(d) Cube rate estimate
Answer : option C
Q.48. The annual installment (I) of the sinking funds (S) over n years, at i rate of interest may be calculated from the formula
(a) I = Si/(1 + i)ⁿ⁻¹
(b) I = Si/(1 + i)ⁿ⁻¹/i
(c) I = Si/(1 + i)ⁿ⁺¹/(1 + i)
(d) I = Si/(1 + i)
Answer : option A
Q.49. Snoweem is:
(a) coloured cement
(b) powdered lime
(c) chalk powder
(d) mixture of chalk powder and line
Answer : option A
Q.50. In a singly reinforced beam, if the concrete is stressed to its allowable limit earlier then steel, the section is said to be:
(a) economical section
(b) over reinforced section
(c) balanced section
(d) under reinforced section
Answer : option B
Q.44. As a cheap alternative, the fineness of cement is tested by
using
(a) IS 100 μ sieve where at least 90% (by weight) should be retained
(b) IS 90 μ sieve where at least 90% (by weight) should pass
(c) IS 90 μ sieve where at least 95% (by weight) should pass
(d) IS 100 μ sieve where at least 90% (by weight) should pass
Answer : option B
Q.45. Strain energy due to sudden axial load is given by:
σ : resultant stress
P : Axial load
Δ : detonator
∊ : strain
E : modulus of elasticity
(a) (1/2) PΔ
(b) σ.∊
(c) PΔ
(d) σ²/2E
Answer : option C
Q.46. The maximum permissible stress for hand driven river in axial tension is :
(a) 250 N/mm²
(b) 80 N/mm²
(c) 90 N/mm²
(d) 100 N/mm²
Answer : option B
Q.47. Most accurate method of estimation is base on
(a) Building cost index estimate
(b) Plinth area estimate
(c) Detailed estimate
(d) Cube rate estimate
Answer : option C
Q.48. The annual installment (I) of the sinking funds (S) over n years, at i rate of interest may be calculated from the formula
(a) I = Si/(1 + i)ⁿ⁻¹
(b) I = Si/(1 + i)ⁿ⁻¹/i
(c) I = Si/(1 + i)ⁿ⁺¹/(1 + i)
(d) I = Si/(1 + i)
Answer : option A
Q.49. Snoweem is:
(a) coloured cement
(b) powdered lime
(c) chalk powder
(d) mixture of chalk powder and line
Answer : option A
Q.50. In a singly reinforced beam, if the concrete is stressed to its allowable limit earlier then steel, the section is said to be:
(a) economical section
(b) over reinforced section
(c) balanced section
(d) under reinforced section
Answer : option B
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