A. Fusion
B. Fission
C. Combustion
D. None of these
Related Mcqs:
- The specific gravity of coal depends mainly on its __________________ content ?
A. Carbon
B. Volatile matter
C. Ash
D. Moisture - Direct conversion of thermal energy to electrical energy is facilitated by the____________________?
A. Fuel cells
B. Photo voltaic cell
C. Magneto hydrodynamic generator
D. None of these - Work required for compression of a gas contained in a cylinder is 7000 kJ. During compression, heat interaction of 3000 kJ causes the surroundings to be heated. Internal energy change of the gas during the compression is __________________ kJ ?
A. +4000
B. -4000
C. 10000
D. -10000 - Blast furnace slag is mainly molten_________________?
A. Sand
B. Magnesium silicate
C. Calcium silicate
D. Iron pyrite - Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by_________________?
A. Conduction
B. Convection
C. Radiation
D. Both A. & B. - Which of the following mainly decides the current to be employed is arc welding ?
A. Electrode size
B. Plate thickness
C. Voltage across the arc
D. Welded portion length - Which of the following is an unconventional source of energy ?
A. Thermal power
B. Hydroelectric power
C. Nuclear-fusion power
D. Solar power - The usual energy consumption in electric arc furnace steel making is _____________ KWh/ton of steel ?
A. 60 – 100
B. 400 – 700
C. 1200 -1500
D. 2000 – 2300 - In ________________ process, there is an increase in entropy with no degradation of energy ?
A. Isothermal expansion
B. Isochoric heat addition
C. Polytropic expansion
D. Isobaric heat addition - Energy to be supplied to the radioactive nucleus for the emission of a neutron is ________________ MeV?
A. 0.8
B. 7.8
C. 200
D. 10000
