A. Soap
B. Sugar
C. Vegetable oil
D. Caustic soda
A. Solar energy
B. Geothermal power
C. Wind power
D. iMHD
A. the capital cost divided by number of year of life
B. the capital cost minus the salvage value, is divided by the number of years of life
C. increasing a uniform sum of money per annum at stipulated rate of interest
D. none of the above
A. Open cycle gas turbine
B. Closed cycle gas turbine
C. Diesel engine
D. Petrol engine
A. equal to unity
B. less than unity
C. more than unity
D. none of the above
A. fuel cell
B. batteries
C. thermionic converter
D. all of the above
A. Thermocouple
B. Photovoltaic cell
C. Solar cell
D. Photoelectric cell