Top 550+ Solved Energy Conversion MCQ Questions Answer
Q. The presence of CO2 and H2O in the atmosphere results in absorption of
a. short wave ultraviolet radiations
b. visible wavelengths of spectrum
c. long wave infrared radiations
d. all of the above
e. None of the above
Q. The calorific value of natural gas is expected to be around
a. 2000 kcal/m3
b. 500 kcal/m3
c. 1500 kcal/m3
d. 2500 kcal/m3
e. 25000 kcal/m3
Q. The name DVC is associated with which type of power generation?
a. Gas turbine
b. Hydro-electric
c. Thermal
d. Diesel engine
e. Nuclear
Q. Which of the following gas is sometimes filled in filament lamps?
a. Hydrogen
b. Helium
c. Argon
d. Ozone
e. Oxygen
Q. The heating value of coal largely depends on
a. Sulphur content
b. Volatile matter
c. Moisture content
d. Size of coal particles
e. Carbon content
Q. Pulverised coal is
a. Non-smoking coal
b. Coal free from as content
c. Coal which burns for long time
d. Coal free from sulphur
e. Coal broken into fine pieces
Q. The skin effect of a conductor will reduce as
a. the diameter increases
b. the frequency increases
c. the permeability of conductor material increases
d. the resistivity of conductor material increases
e. None of the above
Q. The calorific value of diesel oil is expected to be around
a. 21000 kcal/kg
b. 5000 kcal/kg
c. 16000 kcal/kg
d. 1000 kcal/kg
e. 11000 kcal/kg
Q. The expected life of wooden poles is
a. 1 year
b. 5 years
c. 15 years
d. 50 years
e. None of the above
Q. The average cost of power per kWh for domestic consumers in India is
a. 10 to 15 paise
b. 20 to 30 paise
c. 30 to 45 paise
d. 50 to 65 paise
e. None of the above
Q. Betz law finds application in
a. MHD systems
b. Solar cells
c. Geothermal power plants
d. Wind mills
e. None of the above
Q. When a 66 kV transmission line passes over a residential building, the minimum vertical clearance from the roof of the building must be
a. 4 metres
b. 7.5 metres
c. 10 metres
d. 15 metres
e. None of the above
Q. The highest voltage at which the power is transmitted in India is
a. 33 kV
b. 66 kV
c. 132 kV
d. 400 kV
e. 220 kV
Q. Activated carbon is used for
a. absorption of gases
b. paints and varnishes as colouring agent
c. purification of water
d. production of carbon steels
e. None of the above
Q. In any transmission line, which two generalised constants are equal?
a. A and B
b. A and C
c. A and D
d. B and C
e. C and D