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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

2.

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

3.


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

4.

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

5.

A weir is said to be broad crested weir, if the width of the crest of the weir is __________ half the height of water above the weir crest.
A. equal to.
B. less than
C. more than

6.

A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall per unit length is (where w = Specific weight of liquid, and H = Height of liquid)
A. wH B. wH/2
C. wH2/2 D. wH2/3

7.


An error of 1% in measuring head over the apex of the notch (H) will produce an error of __________ in discharge over a triangular notch.
A. 1% B. 1.5%
C. 2% D. 2.5%

8.


Coefficient of contraction is the ratio of
A. actual velocity of jet at vena contracta to the theoretical velocity
B. loss of head in the orifice to the head of water available at the exit of the orifice
C. actual discharge through an orifice to the theoretical discharge
D. area of jet at vena contracta to the area of orifice

9.

Coefficient of resistance is the ratio of
A. actual velocity of jet at vena contracta to the theoretical velocity
B. area of jet at vena contracta to the area of orifice
C. loss of head in the orifice to the head of water available at the exit of the orifice
D. actual discharge through an orifice to the dieoretical discharge

10.


In order to measure the flow with a venturimeter, it is installed in
A. horizontal line
B. inclined line with flow upwards
C. inclined line with flow downwards
D. any direction and in any location

Mechanical Engineering, Engineering

  • Category:- Mechanical Engineering
  • Reference No.:- M91755775

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