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Chemical Engineering
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Fluid Mechanics
See What Others Are Saying!
Question
Foot valves provided in pumps are __________ valves.
Options
A. relief
B. three/four way
C. pressure reducing
D. directional control
Correct Answer
directional control
More questions
1. Polyhexamethylene adipimide is also known as
Options
A. bakelite
B. nylon-66
C. epoxy resin
D. silicone rubber
Show Answer
Scratch Pad
Discuss
Correct Answer: nylon-66
2. Isobaric process means a constant process.
Options
A. temperature
B. pressure
C. volume
D. entropy
Show Answer
Scratch Pad
Discuss
Correct Answer: pressure
3. The unit of 'time constant' of a system is the same as that of
Options
A. velocity
B. time
C. (time)
-1
D. none of these
Show Answer
Scratch Pad
Discuss
Correct Answer: time
4. Pick out the wrong statement.
Options
A. There is no transfer lag for a single first order system.
B. Stirred tank with a water jacket exemplifies an interacting system.
C. Transfer lag is a characteristics of all higher order systems (other than first order systems).
D. Transfer lag decreases as the number of stages decreases.
Show Answer
Scratch Pad
Discuss
Correct Answer: Transfer lag decreases as the number of stages decreases.
5. The value of a property decreases __________ with time in straight line method of determining depreciation.
Options
A. linearly
B. non-linearily
C. exponentially
D. logarithmically
Show Answer
Scratch Pad
Discuss
Correct Answer: linearly
6. Power consumption during turbulent flow in agitation tank is proportional to the __________ of the liquid.
Options
A. viscosity
B. thermal conductivity
C. surface tension
D. density
Show Answer
Scratch Pad
Discuss
Correct Answer: density
7. One 'amu' is equivalent to
Options
A. 9.31 Mev
B. 931 eV
C. 931 MeV
D. 931 J
Show Answer
Scratch Pad
Discuss
Correct Answer: 931 MeV
8. The most abundant isotope of natural uranium is
Options
A.
92
U
238
B.
92
U
235
C.
92
U
234
D. none of these
Show Answer
Scratch Pad
Discuss
Correct Answer:
92
U
238
9. Heavy water is preferred over ordinary water as a coolant, because it.
Options
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 (a), (b) and (c).
Show Answer
Scratch Pad
Discuss
Correct Answer: all (a), (b) and (c).
10. Refractory materials are never used in the construction of
Options
A. segar cones
B. orton cones
C. pressure vessels
D. ovens & retorts
Show Answer
Scratch Pad
Discuss
Correct Answer: pressure vessels
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