102/2021 - Assistant Engineer (Civil) / Head Draftsman

Question 1

An axial tensile force is acting on a body and normal strain in axial direction is 1.2 mm/m. If Poisson’s ratio is 0.32, what will be the columetric strain ?

Accepted Answer

4.32 × 10^–4

Answer

3.32 × 10^–4

Answer

5.32 × 10^–4

Answer

6.32 × 10^–4

Question 2

The major and minor principal stresses at a point are 2.5 mPa and – 2.0 mPa respectively. The maximum shear force at the point is

Accepted Answer

2.25 mPa

Answer

Zero

Answer

0.25 mPa

Answer

2.05 mPa

Question 3

A cantilever beam of 5 m carries a uniformly distributed load of 10 kN/m throughout the span. What is the maximum bending moment ?

Accepted Answer

125 kNm

Answer

150 kNm

Answer

175 kNm

Answer

200 kNm

Question 4

A simply supported beam of span l is subjected to a concentrated load of W at its mid span and a uniformly distributed load of equality W. What is the total deflection of the beam at midpoint ?

Accepted Answer

13Wl^3/384 EI

Answer

Wl^3/384 EI

Answer

5Wl^3/384 EI

Answer

48Wl^3/384 EI

Question 5

Slenderness ratio is the ratio of effective length to

Accepted Answer

Radius of gyration

Answer

Actual length

Answer

Factor of safety

Answer

Direct stress

Question 6

The fixed end moment of a uniform beam of span l and fixed at its ends subjected to a uniformly distributed load of intensity w/unit length is

Accepted Answer

wl^2/12

Answer

wl^2/8

Answer

wl^2/10

Answer

5wl^2/12

Question 7

What is the maximum positive shear force at the quarter span at section C from left end when a uniformly distributed load longer than the span of intensity 20 kN/m crosses the span of 12 m ?

Accepted Answer

67.5 kN

Answer

50 kN

Answer

57.5 kN

Answer

60 kN

Question 8

The horizontal thrust of a two hinged arch which carries a uniformly distributed load of w/unit run over its entire span. The span is l and rise h.

Accepted Answer

wl^2/8h

Answer

8wl^2/h

Answer

wl^2/4h

Answer

4wl^2/h

Question 9

The point of contraflexure is the point where

Accepted Answer

Bending moment changes the sign

Answer

Shear forces changes the sign

Answer

Shear force minimum

Answer

Bending moment maximum

Question 10

In moment distribution method, the sum of distribution factors of all the members meeting at any joint is always

Accepted Answer

1

Answer

Zero

Answer

less than 1

Answer

Greater than 1

Question 11

What is the depth of a point below water surface in sea where the pressure intensity is 1.006 mPa ? Take specific gravity of sea water = 1.026 and specific weight of water as 9810 N/m3.

Accepted Answer

100 m

Answer

Zero

Answer

9.81 m

Answer

49.05 m

Question 12

A uniform wooden cylinder has a specific gravity of 0.8. Find the ratio of submerged height to length of the cylinder so that it will just float upright in a state of neutral equilibrium in water.

Accepted Answer

0.8

Answer

0.4

Answer

0.53

Answer

1.0

Question 13

Which one of velocity component sets given below satisfies the continuity equation ?

Accepted Answer

u = 2x; v = – 2y

Answer

u = x + y; v = x – y

Answer

u = 2x2 + y; v = 4x – y

Answer

None of the above

Question 14

A triangular V-notch channel is conveying a discharge of 0.7 m3/s. If the percentage error in measuring the head is 1.2%, the percentage error in discharge is

Accepted Answer

3.0%

Answer

1.2%

Answer

1.4%

Answer

2.2%

Question 15

The number of buckets on the periphery of a Pelton wheel is
(Where d – mead diameter of the Pelton Wheel, d – least diameter of jet)

Accepted Answer

D/2d + 15

Answer

D/d + 5

Answer

D/2d + 5

Answer

D/2D + 20

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102/2021 - Assistant Engineer (Civil) / Head Draftsman