1000+ Hydraulics MCQ, Objective Questions and Answers Pdf - 2

Question: 6

Molecules of fluids get attracted due to

(A) adhesion

(B) cohesion

(C) surface tension

(D) capillarity action

Question: 7

When a liquid rotates at constant angular velocity about a vertical axis of a rigid body, the pressure

(A) decreases as the square of the radial distance

(B) increases linearly to its radial distance

(C) varies inversely as the altitude along any vertical line

(D) varies as the square of the radial distance

Question: 8

Reynold number is the ratio of initial force and

(A) surface tension

(B) gravitational force

(C) elasticity

(D) viscosity

Question: 9

The dimensionless parameter not applicable to flowing liquids is

(A) Kinematic viscosity

(B) Pressure coefficient

(C) Weber number

(D) Reynold number

Question: 10

The shape of fire hose nozzle is generally kept

(A) cylindrical

(B) convergent divergent

(C) convergent

(D) divergent