gate-exam-questions civil-engineering question and answers -Page 4

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GATE Exam Questions problems

1. A cantilever beam of length L and a cross section with shape factor f supports a concentrated load P as shown below

The length L_P of the plastic zone, when the maximum bending moment equals the plastic moment M_P, given by
Options
A.
B.
C.
D.

3. Flexible pavements derive stability primarily from :
Options
A. aggregate interlock, particle friction and cohesion
B. cohesion alone
C. the binding power of bituminous materials
D. the flexural strength of the surface course

4. The capacities of "One-way 1.5 m wide sidewalk (persons per hour)" and "One-way 2-lane urban road (PCU per hour, with no frontage access, no standing vehicles and very little cross traffic)" are respectively.
Options
A. 1200 and 2400
B. 1800 and 2000
C. 1200 and 1500
D. 2000 and 1200

5. Maximum size of a fillet weld for a plate of square edge is
Options
A. 1.5 mm less than the thickness of the plate
B. one half of the thickness of the plate
C. thickness of the plate itself
D. 1.5 mm more than the thickness of the plate

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

7. 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
Options
A. 433
B. 403
C. 627
D. 388

8. Lysimeter and Tensiometer are used to measure respectively, one of the following groups of quantities :
Options
A. Capillary potential and permeability
B. Evapotranspiration and capillary potential
C. Velocity in channels and vapour pressure
D. Velocity in pipes and pressure head

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