Explore topic-wise MCQs in Power Systems.

This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Power Systems knowledge and support exam preparation. Choose a topic below to get started.

1.

Monthly consumption of a consumer is 500KWh. What will be the monthly bill at the following rate?First 100 unit Rs 0.6/KWhNext 100 units Rs 0.5/KWhRemaining units Rs 0.4/KWh

A. Rs 250
B. Rs 25
C. Rs 230
D. Rs 23
Answer» D. Rs 23
2.

What is demand factor of commercial consumers?

A. Low
B. Low
C. High
D. More than 1
Answer» D. More than 1
3.

Identify the type of tariff the consumer is charged Rs 4 per unit if the consumer does not exceed 50 KWh, Rs 3.50 per unit if the consumer does not exceed 50 KWh but less than 200 kilowatt hour, and Rs 3 per KWh if consumer exceeds 200 kilowatt hour.

A. Flat demand tariff
B. Simple tariff
C. Flat rate tariff
D. Step rate tariff
Answer» E.
4.

Which statement about simple tariff is true?

A. Charges are made as per the total load connected and of fixed duration of use
B. Charges are made on the basis of units consumed in a certain period
C. Different types of consumers are charged differently
D. Charges per kilowatt decreases with increase in unit consumed
Answer» C. Different types of consumers are charged differently
5.

An electricity supplier is charging for the electricity as per the total load connected, fixed number of hours. This type of tariff will be a ___________

A. Simple tariff
B. Flat demand tariff
C. Flat rate tariff
D. Block rate tariff
Answer» C. Flat rate tariff
6.

AN_ELECTRICITY_SUPPLIER_IS_CHARGING_FOR_THE_ELECTRICITY_AS_PER_THE_TOTAL_LOAD_CONNECTED,_FIXED_NUMBER_OF_HOURS._THIS_TYPE_OF_TARIFF_WILL_BE_A____________?$

A. Simple tariff
B. Flat demand tariff
C. Flat rate tariff
D. Block rate tariff
Answer» C. Flat rate tariff
7.

Identify the type of tariff the consumer is charged Rs 4 per unit if the consumer does not exceed 50 KWh, Rs 3.50 per unit if the consumer does not exceed 50 KWh but less than 200 kilowatt hour, and Rs 3 per KWh if consumer exceeds 200 kilowatt hour.$

A. Flat demand tariff
B. Simple tariff
C. Flat rate tariff
D. Step rate tariff
Answer» E.
8.

Which_statement_about_simple_tariff_is_true?$

A. Charges are made as per the total load connected and of fixed duration of use
B. Charges are made on the basis of units consumed in a certain period
C. Different types of consumers are charged differently
D. Charges per kilowatt decreases with increase in unit consumed
Answer» C. Different types of consumers are charged differently
9.

If an industrial consumer consumes 50KW for 4 hours, 300KW for 15 hours and 60KW for 5 hours daily and the tariff rate is Rs 5/KWh. What is the energy consumption in a month of 30 days?

A. Rs 750000
B. Rs 475000
C. Rs 755000
D. Rs 470000
Answer» B. Rs 475000
10.

What_is_demand_factor_of_commercial_consumers?

A. Low
B. Low
C. High
D. More than 1
Answer» D. More than 1
11.

What is the tariff in case of power system?

A. The taxes which a power plant pay to Indian government
B. The taxes which a power plant pay to state government
C. The taxes which a Power Grid pay to Indian government
D. The schedule of rates are charged of supply of electricity for consumers
Answer» E.
12.

Which of the following gas turbine power plant can use working medium of required property?

A. Closed cycle gas turbine power plant
B. Open cycle gas turbine power plant
C. Open and closed cycle gas turbine power plant
D. No gas turbine power plant can use working medium of required property.
Answer» B. Open cycle gas turbine power plant
13.

Fuel other than natural gas i.e. solid and liquid fuels can be used in _______

A. open cycle gas turbine power plant
B. closed cycle gas turbine power plant
C. open and closed cycle gas turbine power plant
D. only natural gas is used in gas turbine power plant
Answer» C. open and closed cycle gas turbine power plant
14.

What is the function of regenerator?

A. Eatery compresses the exhaust gases
B. It heats the compressed air
C. It regenerates the combustible gas from exhaust gas
D. It regenerates the combustible oil from exhaust gas
Answer» C. It regenerates the combustible gas from exhaust gas
15.

What is intercooling in gas turbine power plant?

A. Removal of heat from combustion gas between stages of turbine
B. Removal of heat from compressor between stages of compressor
C. Removal of heat from intake air
D. Removal of heat from exhaust air
Answer» C. Removal of heat from intake air
16.

Which component of gas turbine power plant is main cause of its low efficiency?

A. Gas turbine
B. Combustion chamber
C. Compressor
D. Starting motor
Answer» D. Starting motor
17.

Which of the following is not used in gas turbine power plant?

A. Compressor
B. Turbine
C. Combustion chamber
D. Condenser
Answer» E.
18.

The installation time for a gas turbine power plant is ______________

A. Comparatively less than thermal power plant
B. Comparatively more than thermal power plant
C. Equal to thermal power plant
D. Very much longer than thermal power plant
Answer» B. Comparatively more than thermal power plant