If the depth of moist sand in a cylinder is 15 cm and the depth of the sand when

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Question
If the depth of moist sand in a cylinder is 15 cm and the depth of the sand when fully inundated with water is 12 cm, the bulking of the moist sand, is
Options
A. 10%
B. 12%
C. 15%
D. 20%
E. 25%.

Correct Answer

25%.

4. The masses of two balls are in the ratio of 2 : 1 and their respective velocities are in the ratio of 1 : 2 but in opposite direction before impact. If the coefficient of restitution is , the velocities of separation of the balls will be equal to
Options
A. original velocity in the same direction
B. half the original velocity in the same direction
C. half the original velocity in the opposite direction
D. original velocity in the opposite direction

10. In network of pipes
Options
A. the algebraic sum of discharges around each circuit is zero
B. the algebraic sum of (pressure + datum) head drops around each circuit is zero
C. the elevation of hydraulic grade line is assumed for each junction point
D. elementary circuits are replaced by equivalent pipes

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