Explore topic-wise MCQs in Food Processing Unit Operations.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Food Processing Unit Operations knowledge and support exam preparation. Choose a topic below to get started.

1.

Are pumps and fans used for conveying gases?

A. True
B. False
Answer» C.
Discussion
2.

What are the factors to be considered for designing a centrifugal pump?

A. Capacity, Rotational speed only
B. Rotational speed only
C. Pump, Rotational speed only
D. Capacity, rotational speed and pump
Answer» E.
Discussion
3.

The efficiency of the pump is ratio of ____________

A. energy to velocity and pressure
B. energy to velocity
C. energy to pressure
D. velocity and pressure to energy
Answer» B. energy to velocity
Discussion
4.

What is significance of fan law?

A. It deals with pressure and velocity of the fan
B. It deals with pressure and power consumption of the fan
C. It deals with performance of the fan and power consumption of the fan
D. It deals with performance of the fan velocity of the fan
Answer» D. It deals with performance of the fan velocity of the fan
Discussion
5.

Which of the following statements about airlift pumps are correct?
Statement 1: In airlift pumps, the air is introduced above a liquid in pressure level and that pressure is used to discharge the liquid.

A. nStatement 2: Airlift pumps are used to convey powders in fluidized form.
B. True, False
C. True, True
D. False, True
E. False, False
Answer» C. True, True
Discussion
6.

The _________pump converts rotational energy of the fluid to velocity and pressure.

A. centrifugal
B. jet
C. airlift
D. propeller pumps
Answer» B. jet
Discussion
7.

Are these statements about the propeller pumps true?
Statement 1: Propellers are used to impart energy to the fluids.

A. nStatement 2: They have low efficiency.
B. True, False
C. True, True
D. False, True
E. False, False
Answer» B. True, False
Discussion
8.

Which of the following pumps can be used as vacuum pumps?

A. Positive displacement
B. Jet
C. Airlift
D. Propeller pumps
Answer» C. Airlift
Discussion
9.

In _________pumps, the energy of the fluid is converted into velocity energy.

A. positive displacement
B. jet
C. airlift
D. propeller pumps
Answer» C. airlift
Discussion
10.

In a __________ pump, the fluid is drawn into pump and is then forced through outlet.

A. positive displacement
B. jet
C. airlift
D. propeller pumps
Answer» B. jet
Discussion