UPSC Civil Service Exam Questions - Engineering

Q1:

Two different granular soils are placed in a permeameter tube and flow is allowed to take place under a constant total head. The total head and pressure head at point A in centimeters, are respectively.

A 75, 75

B 25, 75

C 25, 25

D 75, 25

ANS:B - 25, 75

25cm for lower soil.
25 cm for upper soil.
Above 25 cm head.
Then answer is correct.