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Process Equipment and Plant Design
See What Others Are Saying!
Question
Pick out the correct statement.
Options
A. When highly corrosive fluids are to be handled, the plate towers prove to be cheaper and easier to construct than packed tower.
B. Packed towers are generally preferred over plate towers, if the liquids have a foaming tendency.
C. The pressure drop through the packed towers is generally more than the pressure drop through plate towers designed for same duty.
D. none of these.
Correct Answer
Packed towers are generally preferred over plate towers, if the liquids have a foaming tendency.
More questions
1. Which of the following efficiencies can be greater than 100%?
Options
A. Overall plate efficiency.
B. Murphree plate efficiency.
C. Point efficiency.
D. None of these.
Show Answer
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Correct Answer: Murphree plate efficiency.
2. Which of the following nuclear reactors is the most efficient thermodynamically while operating between the same temperature and pressure limits of the reactor?
Options
A. Molten sodium cooled
B. CO
2
gas cooled
C. Pressurised water
D. Boiling water
Show Answer
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Correct Answer: Boiling water
3. Which of the following undergoes fission reaction easily?
Options
A. U-235
B. U-238
C. Th-232
D. none of these
Show Answer
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Discuss
Correct Answer: U-235
4. Which of the following is not used as a moderator in nuclear reactor?
Options
A. Molten sodium
B. Light water
C. Beryllium
D. Boron hydride
Show Answer
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Correct Answer: Molten sodium
5. Which of the following nuclear materials is fissile?
Options
A. Uranium-238
B. Thorium-232
C. Plutonium-239
D. None of these
Show Answer
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Correct Answer: Plutonium-239
6. In the nuclear reaction,
93
N
239
→
94
Pu
239
+?; the missing particle is a/an
Options
A. electron
B. proton
C. neutron
D. position
Show Answer
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Correct Answer: electron
7. Which of the following ores contains maximum percentage of uranium?
Options
A. Carnotite
B. Thorium.
C. Rescolite
D. Pitchblende
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Correct Answer: Pitchblende
8. The atomic weight and atomic number of an element are A and Z respectively. What is the number of neutrons in the atom of that element?
Options
A. A+Z
B. A- Z
C. A
D. Z
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Correct Answer: A- Z
9. Which of the following isotopes is not present in natural uranium?
Options
A. U-238
B. U-234
C. U-235
D. U-232
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Correct Answer: U-232
10. Which of the following is present in Bhabha Atomic Research Centre (BARC) complex, Trombay (Bombay)?
Options
A. Power reactor
B. Research reactor
C. Fast breeder reactor
D. Heavy water plant
Show Answer
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Discuss
Correct Answer: Research reactor
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