Explore topic-wise MCQs in Energy Engineering.

This section includes 21 Mcqs, each offering curated multiple-choice questions to sharpen your Energy Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

What type of system is it when the cooling tower is preferred?

A. Closed system
B. Open system
C. Closed loop system
D. Open loop system
Answer» B. Open system
2.

How much amount of water does typical 1GWe plant uses for cooling per day?

A. 30 mega litre
B. 45 mega litre
C. 55 mega litre
D. 75 mega litre
Answer» E.
3.

How is the amount of cooling required by the steam power plant determined?

A. By the capacity of plant
B. By the amount of exhausted gas
C. By its thermal efficiency
D. By the type of fuel used (coal or uranium)
Answer» D. By the type of fuel used (coal or uranium)
4.

What type of system is it, when the water is directly is used to condense the steam?

A. Closed system
B. Open system
C. Closed loop system
D. Open loop system
Answer» C. Closed loop system
5.

When is the cooling tower preferred?

A. When there is plenty of water available
B. When there is scarcity of water
C. When the plant is of large capacity
D. When the amount of flue gas produced is very high
Answer» C. When the plant is of large capacity
6.

What type of draught fan is used to draw air from the air heater?

A. Balanced draught fan
B. Induced draught fan
C. Forced draught fan
D. Artificial draught fan
Answer» D. Artificial draught fan
7.

In fuel tank, why vent hole is provided either in filler neck or in cap?

A. To maintain vacuum in the tank above the fuel
B. To maintain atmospheric pressure in the tank above the fuel
C. To maintain fuel vapour in the tank above the fuel
D. To maintain fuel evaporation in the tank above the fuel
Answer» C. To maintain fuel vapour in the tank above the fuel
8.

HOW_IS_THE_AMOUNT_OF_COOLING_REQUIRED_BY_STEAM_POWER_PLANT_DETERMINED??$

A. By the capacity of plant
B. By the amount of exhausted gas
C. By its thermal efficiency
D. By the type of fuel used (coal or uranium)
Answer» D. By the type of fuel used (coal or uranium)
9.

WHAT_TYPE_OF_SYSTEM_IS_IT,_WHEN_THE_WATER_IS_DIRECTLY_IS_USED_TO_CONDENSE_THE_STEAM??$

A. Closed system
B. Open system
C. Closed loop system
D. Open loop system
Answer» C. Closed loop system
10.

What type of system is it when the cooling tower is preferred?$

A. Closed system
B. Open system
C. Closed loop system
D. Open loop system
Answer» B. Open system
11.

How much amount of water does typical 1GWe plant uses for cooling per day?$

A. 30 mega litre
B. 45 mega litre
C. 55 mega litre
D. 75 mega litre
Answer» E.
12.

How can we achieve high thermal efficiency in a power plant?

A. Drawing high output with limited input
B. Decreasing the working temperature
C. Increasing the working temperature
D. Maintain large temperature differential
Answer» E.
13.

What is the alternative cooling method for the thermal plant?

A. Wet cooling
B. Evaporation cooling
C. Dry cooling
D. Central air damping
Answer» D. Central air damping
14.

When is cooling tower preferred?

A. When there is plenty of water available
B. When there is scarcity of water
C. When the plant is of large capacity
D. When the amount of flue gas produced is very high
Answer» C. When the plant is of large capacity
15.

How is water pumped into condenser tubes in the steam power plant?

A. Water clarifier plant
B. Draught systems
C. Hydraulic capacity electric motor pump
D. Drawing through water
Answer» B. Draught systems
16.

What is the advantage of using flue gas inside a boiler?

A. Heats up boiler water tube quickly
B. Reduces the amount of amount of exhaust
C. Speeds of the process of boiler
D. Reduces the green house of effect
Answer» E.
17.

What is the purpose of chimney?

A. To provide air ventilation
B. To eliminate noise produced in the system
C. To exhaust flue gases those is induced
D. To help in to suck the air required for system
Answer» D. To help in to suck the air required for system
18.

How is flue gas discharged through the chimneys?

A. By using induced draught fan
B. By using balanced draught fan
C. By using forced draught fan
D. By using mechanical draught fan
Answer» B. By using balanced draught fan
19.

How flue gas is made use of in steam power plant?

A. To maintain the constant pressure inside boiler
B. To heat the water in the tubes of boiler
C. To increase or decrease the pressure inside the boiler
D. To remove all unnecessary chemical constituents
Answer» C. To increase or decrease the pressure inside the boiler
20.

In what form are the products of combustion in steam powered plant?

A. Air products
B. Flue gas
C. Slurry
D. Hot water
Answer» C. Slurry
21.

What type of draught fan is used to draw air from air heater?

A. Balanced draught fan
B. Induced draught fan
C. Forced draught fan
D. Artificial draught fan
Answer» D. Artificial draught fan