Top 550+ Solved Energy Conversion MCQ Questions Answer
Q. Fluidized bed combustion helps to reduce
a. boiler size
b. pollution
c. both (A) and (B) above
d. None of the above
Q. Electrostatic precipitators are most effective on
a. carbon dioxide
b. nitrogen
c. coarse dust
d. fine dust
e. None of the above
Q. A 660 V cable is known as
a. Extra high tension cable
b. High tension cable
c. Super tension cable
d. Low tension cable
e. Extra super voltage cable
Q. Which of the following public sector unit is engaged in the manufacture of thermal power plants?
a. Department of science and technology
b. National Thermal Power Corporation Ltd
c. Heavy Engineering Corporation Ltd
d. Bharat Heavy Electricals Ltd
e. Coal India Ltd
Q. A layer of fibrous material like jute or hessian type provided over metallic sheath on a cable is known as
a. Armouring
b. Bedding
c. Laying
d. Cover
e. None of the above
Q. In a long transmission line, the effect of
a. resistance and capacitance is taken into account but effect of inductance is neglected
b. resistance, capacitance and inductance is taken into account
c. capacitance and inductance is taken into account but effect of resistance is neglected
d. resistance, capacitance and inductance is neglected
e. resistance and inductance is taken into account but effect of capacitance is neglected
Q. Which of the following short-circuit is the most dangerous?
a. Line to line short circuit
b. Dead short circuit
c. Line to ground short circuit
d. Line to line and ground short circuit
e. None of the above
Q. Transient disturbances are due to
a. switching operations
b. load variations
c. faults
d. Any of the above
e. None of the above
Q. Which of the following power plant will give least running cost of the production of electrical power?
a. Nuclear power plant
b. Gas turbine power plant
c. Diesel engine power plant
d. Steam power plant
e. All will have nearly same running cost
Q. Which of the following power plant is free from environmental pollution problems?
a. Thermal power plant
b. Nuclear power plant
c. Hydro power plant
d. Geothermal power plant
e. None of the above
Q. Power factor is expected to be highest in case of
a. Carbon arc lamp
b. Tube lights
c. Sodium lamps
d. GLS lamp
e. Mercury vapour lamp
Q. Low grade fuels have
a. Low moisture constant
b. Low ash content
c. Low calorific value
d. Low sulphur content
e. All of the above
Q. The protection against lightning is provided by
a. Earthing screen
b. Overhead ground wires
c. Lightning arresters
d. Surge diverters
e. Any of the above
Q. Barn is
a. spent fuel from a nuclear reactor
b. a unit of area
c. an electronic instrument for rapid counting of radiations
d. a coal that does not form coke
e. None of the above
Q. The major share of power in India is provided by which of the following type of power plant?
a. Gas turbine power plants
b. Hydro-electric power plant
c. Diesel engine power plant
d. Nuclear power plant
e. Steam power plant