JKSPDC JE Civil Engineering Quiz 6

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Question 1

Which one of the following statements is not correct?

• APERT is probabilistic whereas CPM is deterministic.
• BIn PERT slack on various events in calculation whereas in CPM floats are calculated.
• CCritical path in a network is the path on which events have no slack.
• DMore than four dummy activities cannot be used in a PERT network.

Question 2

Beam of uniform strength vary in section such that

• ABending moment remain constant
• BDeflection remains constant
• CMaximum bending stress remains constant
• DShear force remains constant

Question 3

A flow field which has only convective acceleration is

• Aa steady uniform flow
• Ban unsteady uniform flow
• Ca steady non- uniform flow
• Dan unsteady non- uniform flow

Question 4

For a linear elastic structural system, minimization of potential energy yields

• Acompatibility conditions
• Bconstitutive relations
• Cequilibrium equations
• Dstrain–displacement relations

Question 5

The porosity of a soil sample is 0.40, then the void ratio of the soil will be (corrected to 2 decimal places)

• A0.60
• B1.5
• C0.28
• D0.67

Question 6

The unit weight of a completely saturated soil is given by
where,
G = Specific gravity of solids
Void ratio
Unit weight of water

• A
• B
• C
• D

Question 7

Total thrust on the vertical face of a retaining wall of height h, per unit run exerted by the retained earth weighing w per unit volume and angle of repose is given by

• A
• B
• C
• D

Question 8

The shear centre in standard rolled channel section is ___________.

• AAt the CG of the section
• BOn the middle line and away from the CG but within flange width.
• COn the horizontal line passing through and away from the CG beyond the web
• DNone of the above

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