Engineering Questions with Answers - Multiple Choice Questions

# MCQs on Bernoulli’s Equation for Real Fluids and Applications of Bernoulli’s Equation

1 - Question

Which is the cheapest device for measuring flow / discharge rate.
a) Venturimeter
b) Pitot tube
c) Orificemeter
d) None of the mentioned

c
Explanation: Orificemeter is the cheapest available device for measuring flow/discharge rate.

2 - Question

The principle of Orificemeter is same as that of Venturimeter.
a) True
b) False

a
Explanation: The working principle for both Orificemeter and Venturimeter is same.

3 - Question

What is the relationship between Orificemeter diameter and pipe diameter
a) Orificemeter diameter is 0.5 times the pipe diameter
b) Orificemeter diameter is one third times the pipe diameter
c) Orificemeter diameter is one fourth times the pipe diameter
d) Orificemeter diameter is equal to the pipe diameter

4 - Question

The Orificemeter readings are more accurate than Venturimeter.
a) True
b) False

b
Explanation: The Venturimeter readings are more accurate than Orificemeter.

5 - Question

a) True
b) False

b
Explanation: The Pitot tube readings are more accurate than Orificemeter.

6 - Question

The Orificemeter has a smooth edge hole.
a) True
b) False

b
Explanation: The Orificemeter has a rough edge hole.

7 - Question

A nanometre is connected to a section which is at a distance of about 4 to 6 times the pipe diameter upstream from orifice plate.
a) True
b) False

b
Explanation: A manometre is connected to a section which is at a distance of about 1.5 to 2.0 times the pipe diameter upstream from orifice plate.

8 - Question

Venturimeter is based on integral form of Euler’s equation.
a) True
b) False

a
Explanation: Venturimeter is based on Bernoulli’s equation.

9 - Question

Orifice Meter can only be used for measuring rate of flow in open pipe like structure.
a) True
b) False

a
Explanation: Orificemetre can only be used for measuring rate of flow in an enclosed pipe like structure.

10 - Question

Orifice meter consists of a flat rectangular plate.
a) True
b) False