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Nuclear Power Engineering
See What Others Are Saying!
Question
A moderator __________ the neutrons.
Options
A. slows down
B. absorbs
C. accelerates
D. reflects
Correct Answer
slows down
More questions
1. 1 centistoke is equal to __________ Redwood I seconds.
Options
A. 1
B. 4.08
C. 0.408
D. 40.8
Show Answer
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Correct Answer: 4.08
2. Addition of grog in fireclay brick during its manufacture is advantageous, because it results in
Options
A. less shrinkage in heating, decreased apparent porosity & increased specific gravity.
B. high strength & thermal spalling resistance.
C. less addition of water to get a workable plasticity & lesser time required for drying the raw refractories and hence increased rate of production.
D. all (a), (b) and (c).
Show Answer
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Correct Answer: all (a), (b) and (c).
3. The maximum adiabatic flame temperature of fuels in air is __________ the maximum flame temperature in pure oxygen.
Options
A. lower than
B. higher than
C. same as
D. not related to
Show Answer
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Correct Answer: lower than
4. Which of the following is a desirable characteristic of an instrument?
Options
A. High drift
B. High fidelity
C. High measuring lag
D. Poor reproducibility
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Correct Answer: High fidelity
5. A pressure vessel is said to be made of 'thick' shell, if the ratio of its diameter to wall thickness is
Options
A. 10
B. 10
C. 20
D. 20
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Correct Answer: 10
6. For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than __________ ppm.
Options
A. 10000
B. 5
C. 500
D. 1000
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Correct Answer: 5
7. Test piece for determination of RUL of a refractory is heated in a/an
Options
A. oxidising atmosphere
B. reducing atmosphere
C. electric furnace
D. neutral atmosphere
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Correct Answer: electric furnace
8. __________ polymer is used for making unbreakable crockery.
Options
A. Thermoplastic
B. Melamine
C. Addition
D. none of these
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Correct Answer: Melamine
9. __________ is a copolymer.
Options
A. Nylon-66
B. Polyrophylene
C. PVC
D. Poly tetra flouro ethylene
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Correct Answer: Nylon-66
10. Petroleum deposits are detected by the.
Options
A. oil seepage at the surface of the earth.
B. measuremet of density, elasticity and magnetic & electric properties of the rock in the crust of the earth.
C. age & nature of rocks inside the crust of the earth.
D. all (a), (b) and (c)
Show Answer
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Discuss
Correct Answer: all (a), (b) and (c)
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