Civil Engineering - GATE Exam Questions

11. 

Is 459-1978 recommends to provide certain minimum steel in a RCC beam

A. to ensure compression failure
B. to avoid rupture of steel in case a flexural failure occurs
C. to hold the stirrup steel in position
D. to provide enough ductility to the beam

Answer: Option B

Explanation:

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12. 

Shear stress develops on a fluid element, if :

A. the fluid is at least
B. the fluid-container is subject to uniform linear acceleration
C. the fluid is inviscid
D. the fluid is viscous and the flow is nonuniform

Answer: Option D

Explanation:

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13. 

A hydraulic turbine has a discharge of 5 m3/s, when operating under a head of 20 m with a speed of 500 rpm. If it is to operate under a head of 15 m, for the same discharge, the rotational speed in rpm will approximately be

A. 433
B. 403
C. 627
D. 388

Answer: Option A

Explanation:

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14. 

A nozzle discharging water under head H has an outlet area "a" and discharge coefficient cd = 1.0. A vertical plate is acted upon by the fluid force Fj when held across the free jet and by the fluid force Fn when held against the nozzle to stop the flow, the ratio Fj/Fn is

A. 1/2
B. 1
C. 2
D. 2

Answer: Option B

Explanation:

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15. 

A hydraulic turbine develops a power of 104 metric horse power while running at a speed of 100 revolutions per minute, under a head of 40 m. Its specific speed is nearest to one of the following :

A. 100
B. 628
C. 523
D. 314

Answer: Option A

Explanation:

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