Explore topic-wise MCQs in Thermal Engineering.

This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Thermal Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following statements regarding ejector condenser is FALSE?

A. It is a type of jet condenser
B. Exhaust steam passes through a non-return valve
C. Kinetic energy of cold water decreases as it passes through the truncated cones
D. Pressure of cold water drops as the water progresses through the truncated cones
Answer» D. Pressure of cold water drops as the water progresses through the truncated cones
2.

High level counter flow type jet condenser requires an injection pump to pump cooling water inside the condenser shell (when water under pressure isn’t available).

A. True
B. False
C.
Answer» B. False
3.

Which of the following condensers does not require a condensate extraction pump?

A. Low level parallel flow type jet condenser
B. Low level counter flow type jet condenser
C. High level counter flow type jet condenser
D. Central flow type surface condenser
Answer» D. Central flow type surface condenser
4.

Which of the following condensers is also called barometric condenser?

A. Low level parallel flow type jet condenser
B. Low level counter flow type jet condenser
C. High level counter flow type jet condenser
D. High level parallel flow type jet condenser
Answer» D. High level parallel flow type jet condenser
5.

Which of the following statements regarding low level counter flow type jet condensers is FALSE?

A. Cooling water is broken into jets by perforated trays
B. Condensate is collected at the bottom
C. Steam is discharged near the bottom and moves upwards
D. The air suction pump is placed near the bottom of the condenser
Answer» E.
6.

Where is condensate extraction pump provided in case of low level parallel flow type jet condenser?

A. At the bottom of the condenser
B. At the top of the condenser
C. Near the baffle plate
D. Near the steam entry point
Answer» B. At the top of the condenser
7.

What is the function of baffle plate in parallel flow type low level jet condenser?

A. It keeps cooling water and exhaust steam from mixing
B. It ensures proper mixing of cooling water and exhaust steam
C. It collects condensate over it for extraction
D. It helps condenser wall withstand the inside pressure
Answer» C. It collects condensate over it for extraction
8.

Counter-flow type jet condensers are classified into – Low-level type and High level type jet condensers.

A. True
B. False
Answer» B. False
9.

Which of the following statement regarding parallel flow type jet condensers is FALSE?

A. They are classified into Low level type and high level type
B. Condensate is collected at the bottom
C. Exhaust steam and cooling water enter the condenser from top
D. Exhaust steam and cooling water enter from opposite directions
Answer» E.
10.

Parallel flow type condensers are further classified into _____

A. high speed type and low speed type condensers
B. high steam type and low steam type condensers
C. high level type and low level type condensers
D. high capacity and low capacity type condensers
Answer» D. high capacity and low capacity type condensers
11.

Which of the following is NOT a type of jet condenser?

A. Parallel flow type
B. counter flow type
C. Ejector type
D. Central flow type
Answer» E.