A. fuel cell
B. batteries
C. thermionic converter
D. all of the above
Related Mcqs:
- Direct conversion of heat into electrical energy is possible through____________?
A. fuel cells
B. solar cells
C. MHD generators
D. none of the above - _________offers the highest electric load.
A. Television set
B. Toaster
C. Vacuum cleaner
D. Washing machine - The effect of electric shock on human body depends on which of the following?
A. current
B. voltage
C. duration of contact
D. all of the above - Load shedding is possible through which of the following?
A. Switching of the loads
B. Frequency reduction
C. Voltage reduction
D. Any of the above - Diversity factor has direct effect on the____________?
A. fixed cost of unit generated
B. running cost of unit generated
C. both A. and B.
D. neither A. nor B. - For a power plant which of the following constitutes running cost?
A. Cost of wages
B. Cost of fuel
C. Cost of lubricants
D. All of the above - Load curve of a power plant has always____________?
A. zero slope
B. positive slope
C. negative slope
D. All of these - power plant is expected to have the longest life?
A. Steam
B. Diesel
C. Hydroelectric
D. Any of the above - Approximate estimation of power demand can be made by_____________?
A. load survey method
B. statistical methods
C. mathematical method
D. economic parameters
E. all of the above - By the use of which of the following power factor can be improved?
A. Phase advancers
B. Synchronous compensators
C. Static capacitors
D. Any of the above