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Process Equipment and Plant Design

Process Equipment and Plant Design
In packed towers provided with saddle packing, liquid redistributors are positioned at every __________ times column diameter or 6 metres whichever is less.

44119
43864
20-25
43959

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Process Equipment and Plant Design
The raio, (properller agitator dia/tank dia) is normally taken as

0.15-030
0.60-0.90
0.75-0.85
0.5-0.65

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Process Equipment and Plant Design
The ratio of the largest load in a test to the original cross-sectional area of the test specimen is called the __________ stress.

Breaking
Yield point
None of these
Ultimate

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Process Equipment and Plant Design
A shell may by termed as thin if its thickness to diameter ratio is less than 0.1. The factor which can be neglected in the calculation of membrane stresses is

Deformation
Shear
Bending
Elongation

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Process Equipment and Plant Design
For identical situation, condensing film coefficient in case of a horizontal condenser is almost __________ the value expected in case of vertical condenser.

Twice
Five times
Half
Thrice

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Process Equipment and Plant Design
Heat transfer co-efficient, hG(Kcal/hr.m² .°C) and mass velocity of air, G (kg/hr.m² ) for air flow parallel to the surface in case of constant drying rate in batch drying is related as hG = 0.0176G0.8. But when the flow of air perpendicular to the surface is encountered, this equation changes to

HG = 0.0176G0.37
0.0176G1.37
HG = 1.004G0.37
1.004G0.8

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