A Best Way To Crack Gorenment Job Exams

Electrical Engineering Objective Questions { Power System }

85. If the inertia constant H of a machine of 200 MVA is 2 p.u. it value corresponding to 400 MVA will be
A. 4 p.u.
B. 2 p.u.
C. 4.0 p.u.
D. 0.5 p.u.

86. The curve between discharge in m3/s and time is called
A. discharge duration curve
B. hydrograph
C. load curve
D. flow histogram

87. Energy produced by fission reaction uranium having massof atom m and velocity of light c is1
A. mc
B. ?2 m c
C. mc2
D. ?2mc2

88. In a nuclear power station, moderator is used to
A. absorb neutrons
B. reduce the speed of neutrons
C. accelerate the speed of neutrons
D. stop the chain reaction

89. Commonly used atomic fuels are
A. Uranium, U-235
B. Plutonium, Pu-239
C. Thorium, Th-232
D. all of these

90. The heat produced by 1 kg of atomic fuel is equal to that produced by coal of weight
A. 1 ton
B. 100 tons
C. 1000 tons
D. 4237tons

91. Coolant used is fast breeder reactor is
A. heavy water
B. graphite
C. sodium
D. none of these

Page 13 of 54

« 11 12  13  1415 »