Electrical Engineering Mcqs

Which of the following power plant has highest Depreciation charges?

(A) Thermal plant

(B) Diesel plant

(C) Hydroelectric plant

(D) All have same

Submitted By: Ali Uppal


Which of the following power plant has least fuel transportation______________?

(A) nuclear power plants

(B) diesel generating plants

(C) thermal power plants

(D) steam power stations

Submitted By: Ali Uppal


Annual operating expenditure of a power plant consists of_________?

(A) fixed charges

(B) semi-fixed charges

(C) running charges

(D) all of the above

Submitted By: Ali Uppal


Which of the following load is responsible for lower power factor of supply system__________?

(A) induction motors

(B) resistive loads

(C) synchronous Motors

(D) all of the above

Submitted By: Ali Uppal


Load factor of a power station is defined as____________?

(A) maximum demand/average load

(B) average load x maximum demand

(C) average load/maximum demand

(D) none of the above

Submitted By: Ali Uppal


Load curve is useful in deciding the__________?

(A) operating schedule of generating units

(B) sizes of generating units

(C) total installed capacity of the plant

(D) all of the above

Submitted By: Ali Uppal


One kilowatt hour is equal to_________?

(A) 532 k cal.

(B) 735 k cal.

(C) 746 k cal.

(D) 860 k cal.

Submitted By: Ali Uppal


A gas turbine basically work on

(A) Carnot cycle

(B) Rankin cycle

(C) Brayton cycle

(D) Dual cycle

Submitted By: Ali Uppal


Diesel power plant are generally used as___________?

(A) peak load plant

(B) base load plant

(C) standby plant

(D) none of the above

Submitted By: Ali Uppal


If the diversity factor of a power station is high then its generation cost is___________?

(A) high

(B) low

(C) remain same

(D) depend on the plan type

Submitted By: Ali Uppal