Top 550+ Solved Energy Conversion MCQ Questions Answer

From 1 to 15 of 591

Q. The carbon percentage in diesel oil is nearly

a. 52%

b. 66%

c. 100%

d. 86%

e. 74%

  • d. 86%

Q. Which of the following power plant can be easily started from cold conditions?

a. Nuclear power plant

b. Thermal power plant

c. Diesel engine power plant

d. Any of the above

e. None of the above

  • c. Diesel engine power plant

Q. 100 MW Dhurva reactor is basically a

a. research reactor

b. power generation unit

c. recycling unit

d. None of the above

e. None of the above

  • a. research reactor

Q. Which of the following plant is suitable for peak load?

a. Diesel engine plant

b. Steam power plant

c. Nuclear power plant

d. Hydro-electric power plant

e. All of the above

  • a. Diesel engine plant

Q. Gas turbines are widely used in

a. Power generation

b. Aircraft

c. Pumping stations

d. Ship

e. Locomotive

  • b. Aircraft

Q. The alternators for a steam power plant usually run at

a. 3000 rpm

b. 1500 rpm

c. 1200 rpm

d. 30,000 rpm

e. 750 rpm

  • a. 3000 rpm

Q. Producer gas mainly contains

a. carbon dioxide and steam

b. carbon monoxide and nitrogen

c. methane, ethane and butane

d. hydrocarbons

e. None of the above

  • b. carbon monoxide and nitrogen

Q. Which of the following equipment is installed in power plants to reduce air pollution due to smoke?

a. Desuperheaters

b. Electrostaric precipitators

c. Reheaters

d. Air filters

e. None of the above

  • b. Electrostaric precipitators

Q. The flicker effect of fluorescent lamps is more pronounced at

a. Lower frequencies

b. Higher frequencies

c. Lower voltage

d. Higher voltages

e. None of the above

  • e. None of the above

Q. Geologists believe that below the earth's crust, the molten mass exists in the form of

a. magma

b. vent

c. hot cell

d. liquation

e. None of the above

  • a. magma

Q. Return to earth of the oxides of sulphur and nitrogen occurs in the form of

a. acid rain

b. acid show

c. acid fog

d. any of the above

e. None of the above

  • d. any of the above

Q. ASTM coal classification is based on

a. proximate analysis

b. ultimate analysis

c. orsat analysis

d. None of the above

e. None of the above

  • a. proximate analysis

Q. The phenomenon of physical adhesion of molecules to the surfaces of solids without chemical reaction is known as

a. dredging

b. coking

c. adsorption

d. liquation

e. None of the above

  • c. adsorption

Q. When a conductor is suspended between two supports at the same level it taken the shape of

a. Parabola

b. Semi-circle

c. Cycloid

d. Epicycloid

e. Catenary

  • e. Catenary

Q. Which of the following plant can be conveniently located close to be load centre?

a. Nuclear power plant

b. Hydro-electric power plant

c. Diesel engine power plant

d. Steam power plant

e. All of the above

  • c. Diesel engine power plant
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