A. Nuclear fission
B. Nuclear fusion
C. A combination of both nuclear fission & fusion
D. None of these
Related Mcqs:
- Which of the following phenomenon will exhibit the minimum heat transfer ?
A. Boiling
B. Forced convection in air
C. Free convection in air
D. Conduction in air - The yield point phenomenon observed in annealed low carbon steel is due to the presence of the following element ?
A. Silicon
B. Carbon
C. Phosphorous
D. Chromium - Which of the following phenomenon/ phenomena is/are diffusion controlled ?
A. Dislocation climb
B. Cross-slip
C. Twinning
D. Recrystallisation - Solute atoms which cause yield point phenomenon in mild steel are/is_________________?
A. Aluminium
B. Boron
C. Carbon
D. Nitrogen - Hydrogen in liquid steels is dissolved_________________?
A. As tiny gas bubbles
B. In the atomic form
C. In the ionic form
D. In the molecular form - While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen flame is about _____________ °C ?
A. 1800
B. 2000
C. 2400
D. 3000 - Hydrogen can be ________________?
A. Used in I.C. engines as fuel
B. Liquefied & stored under cryogenic conditions
C. Produced by electrolysis of water
D. All (A), B. & C. - The activity of pure hydrogen gas at 1000°C and 5 atm pressure_________________?
A. Is always less than 1
B. Is always greater than 1
C. Can be 5
D. Depends on the choice of the standard state - Transformation range for ferrous material is the temperature interval during which ___________________ is formed during its heating?
A. Cementite
B. Austenite
C. Martensite
D. Pearlite - 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
