a) Supersaturated water b) Water at high temperature c) Water at low temperature d) Steam at high pressure Ans: (b)
a) Ratio of heat equivalent of energy transferred to shaft to heat equivalent of electrical output b) Heat equivalent of electrical output to heat of combustion c) Heat equivalent of energy transferred to shaft to heat to combustion d) None of these Ans: (b)
a) Economize the reactor b) Send back the escaping neutrons c) Both (a) and (b) d) None of these Ans: (c)
a) Stop the chain reaction b) Absorbs neutrons c) Reduces the speed of fast-moving neutrons d) Acts as a cooling agent Ans: (c)
a) Heavy water is used as moderator b) No moderator is used c) Graphite is used as moderator d) Cadmium is used as moderator Ans: (b)
a) High melting and boiling point b) High melting and low boiling point c) Low melting and boiling point d) Low melting and high boiling point Ans: (d)
a) 0.01 b) 0.7 c) 0.001 d) 10 Ans: (b)
a) Sodium b) Heavy water c) Air d) Cadmium Ans: (a)
a) Tidal power station b) Hydropower station c) Thermal power station d) Nuclear power station Ans: (d)
a) High moment of inertia b) Low moment of inertia c) Both(a) and (b) d) None of these Ans: (a)
 Multiple Choice Question (MCQ) of Electronics page-17:241. Which of the following statement is true? a) The saturation voltage VCF of silicon transistor is more than germanium transistor. b) The saturation voltage VCE for germanium transistor is more than silicon transistor. c) The saturation voltage VCE for silicon transistor is same as that for germanium. d) The saturation voltage VCE for silicon transistor is lower than germanium transistor. |
Multiple Choice Question (MCQ) of Electronics page-16:226. Which of the following statement is correct? a) Inner electrons are always present in the semiconductor. b) Bound electrons are always present in the semiconductor. c) Free electrons are always present in the semiconductor. d) Inner and bound electrons are always present in the semiconductor. |
Multiple Choice Question (MCQ) of Electronics page-15:211. The materials whose electrical conductivity is usually less than 1 × 106 mho/m are a) Semiconductors b) Conductors c) Insulators d) Alloys |
Multiple Choice Question (MCQ) of Electronics page-14:196. In which of the following device the base resistors are not added in the package but added externally? a) UJT b) CUJT c) PUT d) None of the above |
Multiple Choice Question (MCQ) of Electronics page-13:181. The conduction in JEFT is always by the a) Majority carriers b) Minority carriers c) Holes d) Electrons e) Holes and electrons simultaneously |