Fluid Mechanics and Hydraulic Machines (3141906) MCQs

MCQs of The Energy Equation and its Application

Showing 1 to 10 out of 32 Questions
1 2 3 4
1.
For measuring flow by a venturi meter, it should be installed in
(a) vertical line
(b) horizontal line
(c) Inclined line with upward flow
(d) In any direction and at any location
Answer:

Option (d)

2.
The pitot tube is used for measurement of
(a) pressure
(b) flow
(c) velocity
(d) discharge
Answer:

Option (c)

3.
Rotameter is a device used to measure
(a) absolute pressure
(b) velocity of fluid
(c) flow
(d) rotation
Answer:

Option (c)

4.
All the terms of energy in Bernoulli's equation have a dimension of
(a) energy
(b) work
(c) mass
(d) length
Answer:

Option (d)

5.
Which of the following instrument can be used for measuring the speed of a submarine moving in deep-sea?
(a) Venturi meter
(b) Hotwire anemometer
(c) Rotameter
(d) Pitot tube
Answer:

Option (d)

6.
Which of the following instruments is used to measure flow on the application of Bernoulli's equation?
(a) Venturi meter
(b) Orifice plate
(c) Pitot tube
(d) All of the above
Answer:

Option (d)

7.
The flow of water in a pipe of about 3 meters in diameter can be measured by
(a) pitot tube
(b) orifice meter
(c) venturi meter
(d) rotameter
Answer:

Option (a)

8.
The length of the divergent portion of venturi meter in comparison to the convergent portion is
(a) same
(b) more
(c) less
(d) more or less depending on capacity
Answer:

Option (b)

9.
The upper surface of a weir over which water flows is known as
(a) crest
(b) nappe
(c) sill
(d) contracta
Answer:

Option (c)

10.
The average value of the coefficient of velocity is of the order of
(a) 0.56
(b) 0.68
(c) 0.89
(d) 0.97
Answer:

Option (d)

Showing 1 to 10 out of 32 Questions
1 2 3 4