1
2
3
7
✅ The correct answer is option C.
Chemical Engineering MCQs
Mass of a positron is same as that of a/an
electron
α-particle
proton
neutron
✅ The correct answer is option A.
Which of the following is a fuel for a fusion reactor (thermonuclear reactor) ?
Deuterium and tritium
U-233
Thorium
Heavy water
✅ The correct answer is option A.
Which of the following may be used to measure the rate of nuclear disintegration?
Geiger-Muller Counter
Cyclotron
Cold chamber
Mass spectrograph
✅ The correct answer is option A.
How many atoms are present in one gm-atom of an element ?
2 x 1023
6 x 1023
6 x 1032
5 x 105
✅ The correct answer is option B.
Graphite is used in nuclear reactor as
insulation lining of the reactor.
fuel.
lubricant.
retarder of neutron velocity.
✅ The correct answer is option D.
Hydrogen bomb employs the nuclear fusion of
hydrogen
deuterium
tritium
helium
✅ The correct answer is option B.
Flushing liquor used for cooling coke oven gas constitutes of
Ammoniacal liquor
K₂CO₃ solution
Dilute H₂SO₄
Dilute HCl
✅ The correct answer is option A.
Urea is formed only
In liquid phase
In vapour phase
At very high temperature
At very low pressure (vacuum)
✅ The correct answer is option A.
Phosphatic fertilisers
Are useful during early stage of the plant growth
Accelerate fruit formation in later stages of growth
Lessen the effect of excessive nitrogen application
None of these
✅ The correct answer is option B.