Top 550+ Solved Energy Conversion MCQ Questions Answer
Q. The expected life of a GLS lamp is nearly
a. 50 hours
b. 10,000 hours
c. 100 hours
d. 1000 hours
e. 5000 hours
Q. The thickness of the layer of insulation on a cable depends on
a. kW
b. KVA
c. Voltage
d. Current carrying capacity of conductor
e. Power factor
Q. Coal used in power plants is also known as
a. Charcoal
b. Soft coal
c. Coke
d. Steam coal
e. Power coal
Q. High horse power diesel engines are usually started by
a. Batteries
b. Compressed air
c. Self-starter or cranking
d. Cranking
e. Self-starter
Q. Which of the following motor can operate on lagging as well as leading power factor?
a. Squirrel cage induction motor
b. Universal motor
c. Capacitor run motor
d. Synchronous motor
e. Reluctance motor
Q. A 200 MW generator will invariably be
a. Nitrogen cooled
b. Hydrogen cooled
c. Pressurised air cooled
d. Oxygen cooled
e. Air cooled
Q. Which of the following place is not associated with nuclear power plants?
a. Tarapur
b. Bangalore
c. Kamalappakam
d. Narora
e. Kora
Q. The term 'critical' is associated with which type of power plant?
a. Hydro-electric power plant
b. Nuclear power plant
c. Steam power plant
d. Gas turbine power plant
e. Diesel engine power plant
Q. For the same wattage, which of the following lamp is cheapest?
a. Mercury vapour lamp
b. Fluorescent tube 4 ft.
c. Fluorescent tube 2 ft.
d. GLS lamp
e. Sodium vapour lamp
Q. One British thermal unit (BTU) is nearly equal to
a. 1053 joules
b. 243 joules
c. 2106 joules
d. 252 joules
e. 504 joules
Q. At which of a following speed the generators for 3 phase, 50 Hz supply will not run?
a. 166? rpm
b. 250 rpm
c. 750 rpm
d. 1200 rpm
e. 500 rpm
Q. If a diesel engine has a turbochanger, it can be concluded that the engine is
a. Supercharged type
b. Air cooled type
c. Double acting type
d. Pressure lubricated
e. High speed type
Q. Which of the following method can be used for heating wood?
a. Oil burner heating
b. Tungsten arc heating
c. Resistance heating
d. Dielectric heating
e. Carbon arc heating