Download Aptitude Crack
img not found img not found

UPSC Civil Service Exam Questions - Engineering

Q1:

A vertical gate 6 m x 6 m holds water on one side with the free surface at its top. The moment about the bottom edge of the gate of the water force will be (v is the specific weight of water)

A 18 v

B 36 v

C 72 v

D 216 v

ANS:D - 216 v

Total force due to water = sp gr.(V) * A(36)* h/2(3) = 108v unit.
For moment force * dist.
Dist. = F *h/3 = 108vv * 6/3 = 216v.