Top 550+ Solved Energy Conversion MCQ Questions Answer
Q. The initial cost of an equipment is Rs. 20 lakhs and depreciated cost after ten years is Rs. 15 lakhs. The useful life of the equipment is
a. 15 years
b. 5 years
c. Cannot be determined on the basis of the information provided
d. 10 years
e. 20 years
Q. Which of the following domestic utility item consumes maximum power?
a. Exhaust fan
b. Ceiling fan
c. Refrigerator
d. Cooking range
e. Mixer grinder
Q. Satellites are powered by
a. Batteries
b. Solar cells
c. Thermo-electric generators
d. Thermoionic converters
e. Photo electric cells
Q. The calorific value of lignite is expected to be around
a. 1000 kcal/kg
b. 2500 kcal/kg
c. 5000 kcal/kg
d. 10,000 kcal/kg
e. 1500 kcal/kg
Q. Diesel locomotives in India are manufactured at
a. Ajmer
b. Varanasi
c. Chitranjan
d. Parambur
e. Bangalore
Q. Which of the following needs to be filtered in a diesel engine?
a. Diesel oil only
b. Lubrecating oil only
c. Air only
d. Air, diesel oil and lubricating
e. Air and diesel oil only
Q. The insulators for overhead lines are generally made of
a. Wood
b. Aluminium
c. Plastic
d. Copper
e. Porcelain
Q. The major constituent of natural gas is
a. Hydrogen
b. Methane
c. Acetylene
d. Carbon monoxide
e. Ammonia
Q. Long distance electric trains take power on
a. 25 kV three phase ac
b. 1500 V dc
c. 600 V dc
d. 25 kV single phase ac
e. 25 kV two phase ac
Q. Which lamp is used for cinerma projectors
a. Carbon arc lamp
b. Frosted GLS lamp
c. Mercury vapour lamp
d. Sodium vapour lamp
e. Nitrogen filled GLS lamp
Q. Heavy water is used in a nuclear power plant as a
a. Fuel
b. Reflector
c. Moderator
d. Shield
e. Coolant
Q. The power factor of a three phase induction motor at no load will be
a. 0.5 to 0.6 leading
b. 0.2 to 0.3 lagging
c. Zero
d. 0.2 to 0.3 leading
e. 0.5 to 0.6 lagging
Q. The power factor of a load of 100 kW is to be raised from 0.5 lagging to 0.9 lagging. The KVA rating of the capacitor will be
a. 125
b. 212.5
c. 25
d. 12.5
e. 75
Q. One kilowatt hour is equal to
a. 8600,000 calories
b. 86,000,000 calories
c. 860,000 calories
d. 86,000 calories
e. 8600 calories
Q. 1 kilowatt hour is the same as
a. 1 joule
b. 1000 watt-sec
c. 1000 joules
d. 3600 watt-hours
e. 3600,000 watt-sec