Construction Planning and Management
Rolling resistance of a wheel depends upon (i) Vehicle load (ii) Grade (iii) Ground conditions

Only (i) is correct
(ii) and (iii) are correct
(i) and (iii) are correct
(i) and (ii) are correct

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Construction Planning and Management
Assertion A: For a given depth of cut, the output of a power shovel can be increased by decreasing the angle of swing.Reason R: If the angle of swing is decreased, the cycle time will be decreased.

Both A and R is true and R is the correct explanation of A
A is false but R is true
Both A and R is true but R is not the correct explanation of A
A is true but R is false

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