Top 550+ Solved Energy Conversion MCQ Questions Answer
Q. Heat rate : Efficiency
a. Coal : Oil
b. Momentum : Variable cost
c. Fixed cost : Variable cost
d. Resistance : Conductance
e. None of the above
Q. Sweet gas is free of
a. crabon dioxide
b. carbon monoxide
c. nitrogen
d. hydrogen sulphide
e. None of the above
Q. Pressure cables are used for
a. Low power factors
b. High current ratings
c. High KVA
d. High kW
e. Higher voltages
Q. HRC fuses provide best protection against
a. Short circuits
b. Ligntning
c. Sparking
d. Fire
e. All of the above
Q. The fact that a conductor carries more current on the surface as compared to core is known as
a. skin effect
b. corona
c. permeability
d. unsymmetrical fault
e. None of the above
Q. Diesel engine fuels are rated by
a. HUCR
b. Cetane number
c. Octane number
d. Calorific value
e. CFR number
Q. Which of the following area is preferred for solar thermal electric power plants?
a. Mountain tops
b. Hot arid zones
c. Coastal areas
d. High rainfall zones
e. None of the above
Q. A module is a
a. newly installed solar cell
b. series - parallel arrangement of solar cells
c. a series of solar cells when not used for power generation
d. None of the above
e. None of the above
Q. Lighite is
a. pure carbon
b. high calorific value coal
c. low calorific value coal
d. a vergetable origin liquid fuel
e. None of the above
Q. The disadvantage of transmission lines as compared to cables is
a. exposure to lightning
b. exposure to atmospheric hazards likes smoke, ice, etc.
c. inductive interference between power and communication circuits
d. All of the above
e. None of the above
Q. During storm the live conductor of public electric supply breaks of down and touches the earth. The consequence will be
a. supply voltage will drop
b. supply voltage will increase
c. current will flow to earth
d. no current will flow in the conductor
e. None of the above
Q. Photovoltaic solar energy conversion system makes use of
a. fuel cells
b. solar cells
c. solar ponds
d. None of the above
e. None of the above
Q. A photovoltaic cell converts
a. heat energy into mechanical energy
b. chemical energy into electrical energy
c. solar energy into electrical energy
d. electrical energy into chemical energy
e. None of the above