Hydraulics and Fluid Mechanics Qustion Answer

Hydraulics and Fluid Mechanics Qustion Answer

1. One litre of water occupies a volume of
A. 100 cm 3
B. 250 cm 3
C. 500 cm 3
D. 1000 cm 3
Answer: Option D


2. The value of bulk modulus of a fluid is required to determine
A. Reynold's number
B. Froude's number
C. Mach number
D. Euler's number
Answer: Option C


3. In a depressed nappe
A. the pressure below the nappe is atmospheric
B. the pressure below the nappe is negative
C. the pressure above the nappe is atmospheric
D. the pressure above the nappe is negative
Answer: Option B


4. In one dimensional flow, the flow
A. is steady and uniform
B. takes place in straight line
C. takes place in curve
D. takes place in one direction
Answer: Option B



5. The kinematic viscosity is the
A. ratio of absolute viscosity to the density of the liquid
B. ratio of density of the liquid to the absolute viscosity
C. product of absolute viscosity and density of the liquid
D. product of absolute viscosity and mass of the liquid
Answer: Option A