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11
Tube side pressure drop in a 1-2 heat exchanger (for turbulent flow of fluids through the tubes) is about __________ times, that in a 1-1 heat exchanger having the same size & number of tubes and operated at the same liquid flow rate.
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Answer: Option D
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12
Hazards associated with the relief valve leakage for extremely hazardous material storage can be taken care of by providing
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Answer: Option A
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13
In a shell and tube heat exchanger, the shortest centre to centre distance between the adjacent tubes is
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Answer: Option A
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14
The ratio of the largest load in a test to the original cross-sectional area of the test specimen is called the __________ stress.
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Answer: Option C
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15
Thickness of the frame of a plate and frame filter as compared to that of plates is
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Answer: Option C
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16
for couplings and unions would be
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Answer: Option D
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17
Longitundinal stress induced in a thin walled cylindrical storage vessel is
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Answer: Option B
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18
In case of a 'thin' pressure vessel, the ratio of its diameter to wall thickness is
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Answer: Option B
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19
A pressure vessel is said to be made of 'thick' shell, if the ratio of its diameter to wall thickness is
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Answer: Option A
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20
Liquid redistribution should be done in a packed tower packed with raschig rings every 6 metres or __________ times the column diameter, whichever is lower.
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Answer: Option A
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