1000+ Fluid Mechanics GATE Questions for Chemical Engineering - 1

Question: 1

Euler's equation of motion is a statement expressing

(A) newton's first law of motion

(B) newton's second law of motion

(C) conservation of energy

(D) conservation of mass

Question: 2

Air vessel provided in a reciprocating pump

(A) saves the pump from the danger of cavitation

(B) smoothens the flow by avoiding pulsations

(C) increases the volumetric efficiency of the pump

(D) none of these

Question: 3

Froude number is the ratio of

(A) inertial stress to gravitational stress

(B) inertial stress to shear stress

(C) drag stress to shear stress

(D) shear stress to gravitational stress

Question: 4

Terminal velocity is

(A) attained after moving one half of total distance

(B) a fluctuating velocity

(C) a constant velocity with no acceleration

(D) none of these

Question: 5

Hydraulic radius is the ratio of

(A) square root of flow area to wetted perimeter

(B) flow area to square of wetted perimeter

(C) flow area to wetted perimeter

(D) wetted perimeter to flow area