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प्रश्न
The fuel having a calorific value of 55 kJ/g is likely to be:
(a) biogas
(b) methane gas
(c) hydrogen gas
(d) natural gas
उत्तर
methane gas
Methane has a calorific value of 55 kJ/g.
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संबंधित प्रश्न
Fill in the following blank with suitable word:
In a nuclear power station, nuclear fission takes place in the .............
What is nuclear fusion? Explain with an example. Write the equation of the reaction involved.
The energy in the reactor of a nuclear power station is produced by the process of:
(a) nuclear diffusion
(b) nuclear fission
(c) nuclear fusion
(d) nuclear fermentation
One eV (electron volt) of nuclear energy is equivalent of:
(a) 1.6 × 10−14 J
(b) 1.6 × 10−12 J
(c) 1.6 × 10−19 J
(d) 1.6 × 10−13 J
A nuclear reactor has half the length of all its control rods inserted in graphite. What must be done so that the reactor produces more heat? Explain your answer.
Name the process used to harness nuclear energy these days. Explain it briefly. List two advantages of using nuclear energy in place of fossil fuels.
An isotope of uranium is 92Y238, i.e., it has mass number 235 and atomic number 92.
Mention the relationship between 92U235 and 92U238.
Explain, why nuclear fusion is not being used to meet day to day energy needs.
Name the nuclear radiation which has the highest ionizing power.
Give scientific reasons.
It is absolutely necessary to control the fission reaction in nuclear power plants.
