### Mcq on centrifugal pump (objectives questions)

Hello friends welcome in mechanical engineering mcq website. In this mechanical engineering lecture today we solveing the hydraulic machine subject multiple choice questions Mcq on centrifugal pump (objectives questions).

Guy's this centrifugal pump mcq questions is very important for mechanical engineering students for all competitive exam. So without wasting time let's begin to start centrifugal mcqs  questions with answers

# Multiple choice questions (Mcq) on centrifugal pump

 Mcq on centrifugal pump (objectives questions)

Mcq- 1
Centrifugal pump is a........

A. Positive displacement type
B. Turbomachinery type
C. Drafting device
D. None of these

Mcq- 2
Centrifugal pump work on

A. Newton 1st rule
B. Newton 2nd rule
C. Newton 3rd rule
D. Newton 4th rule

Mcq- 3
Centrifugal pump is convert........ into ..............

A. Mechanical energy, kinetic energy
B. Kinetic energy,  mechanical energy
C. Kinetic energy into hydraulic energy
D. Mechanical energy into hydraulic energy

Solution -
Centrifugal pump is turbomachinery type machine.  Centrifugal pump is converted kinetic energy into hydraulic energy

Mcq- 4
In centrifugal pump liquid is entering from......

A. At top
B. At center
C. At bottom
D. Any side

Mcq- 5
Centrifugal pump is suitable for

D. None of these

Mcq- 6
Centrifugal pump is suitable for

A. Low pressure application
B. Medium pressure application
C. High pressure application
D. None of these

Mcq- 7
Centrifugal pump speed is ......... than reciprocating pump

A. Lower
B. Medium
C. Higher
D. Can't say

Mcq- 8
Centrifugal pump efficiency is ..........  than reciprocating pump.

A. More
B. Less
C. Same
D. Can't say

Mcq- 9
Efficiency of centrifugal pump is maxi when blade is

B. Backward
C. Forward
D. Any one

Mcq- 10
Centrifugal pump is also know (called) as ...........

A. Velocity pump
B. Reciprocating Pump
C. Vane pump
D. Screw pump

Mcq- 11
In centrifuga pump efficiency is low wehen used

A. Backward vane
B. Forward vane
D. Any one of these

Mcq- 12
Centrifugal pump efficiency is more than reciprocating pump.

A. True
B. False

Mcq- 13
The centrifugal pump which is suitable for low head and high speed application

A. True
B. False

Solution
Centrifugal pump is suitable for high speed, low head and low pressure application.

Mcq- 14
In centrifugal pump regulating valve is provided on

A. Delivery pipe
B. suction pupe
C. impeller
D. Casing

Mcq- 15
The main function of centrifugal pump is .........

A. Transfer energy
B. Transfer pressure
C. Transfer speed
D. Transfer temperature

Mcq- 16
What is Advantages of centrifugal pump over reciprocating pump is......

A. Low maintenance required
B. Low cost
C. High discharge
D. All of these

Mcq- 17
What is disadvantages of centrifugal pump over reciprocating pump is......

B. Low pressure
C. Difficult construction
D. All of these

Mcq- 18
Which part of centrifugal pump is controlled the flow ?

A. Tank pipe
B. Valve
C. Pump

Solution
Valve is used for controlling flow rate in centrifugal pump.  When valve is fully open that time flow rate is very high and valve is closed that time flow rate is decreased

Mcq- 19
In centrifugal pump ........... friction is produce than reciprocating pump

A. Lower
B. Same
C. Higher
D. Can't say