Direct conversion of heat into electrical energy is possible through____________?

A. diesel engine
B. hydraulic turbine
C. gas turbine
D. steam turbine
E. any of the above

A. induction motors
B. synchronous motors
C. single phase motors
D. d.c. motors

A. Hot reserve
B. Cold reserve
C. Sning reserve
D. Firm power

A. at the receiving end
B. at the sending end
C. either A. or (b)
D. none of the above

A. Solar energy
B. Geothermal power
C. Wind power
D. iMHD

A. Exhaust fan
B. Lathe machine
C. Welding transformer
D. All of the above