Related Questions

Heavy water is used as a moderator in a nuclear reactor. The function of the moderator is
A to control the energy released in the reactor
B to absorb neutrons and stop the chain reaction
C to cool the reactor
D to slow down the neutrons to thermal energy
Enriched uranium is required as a fuel in a nuclear reactor, if light water is used as moderator and coolant, because light water has
A High neutron absorption cross-section
B Low moderating efficiency
C High neutron scatter cross-section
D Low neutron absorption cross-section
A company wishes to pay out all available profits as dividends. Net profit is Tk. 26,600. There are 20,000 preference shares of Tk. 1 each with dividend at a rate of 8% and 50,000 ordinary shares of Tk. 1 each. Tk. 5000 is to be transferred to General Reserve. What ordinary dividends are to be paid in percentage?
A 40
B 35
C 30
D 45
A company wishes to pay out all available profits as dividends net profit is TA. 26,600 . There are 20,000 Preference shares of TA. I each with dividend at a rate of 8% and 50,000 Ordinary shares of TA. I each . Tk.5,000 is to be transferred to General Reserve. What Ordinary dividends are to be paid , in perc
A 60 percent
B 40 percent
C 20 percent
D 10 percent
A company wishes to pay out all available profits as dividends. Net profit is TA. 26,600. There are 20,000 Preference shares of TA. I each with dividend at a rate of 8%, and 50,000 Ordinary shares of TA. I each, Tk, 5,000 is to be transferred to General Reserve. What Ordinary dividends are to paid, in percentage?
A 60%
B 40%
C 20%
D 10%
Heavy water is used as a moderator in a
A Pressurised water reactor (PWR)
B Boiling water reactor (BWR)
C Candu reactor
D Molten sodium cooled reactor
Heavy water is preferred over ordinary water as a coolant, because it.
A Acts both as an efficient coolant as well as a moderator
B Can be heated to a higher temperature without pressurizing
C Is less prone to radiation damage
D All of the above
In boiling water reactor, moderator is
A Coolant itself
B Ferrite rod
C Graphite rod
D Liquid sodium metal
Boiling water reactor uses the following as moderator, coolant and working fluid
A Ordinary fluid
B Heavy water
C Molten lead
D Hydrogen gas
Which of the following is not used as a moderator in nuclear reactor?
A Molten sodium
B Light water
C Beryllium
D Boron hydride

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