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Process Equipment and Plant Design

Process Equipment and Plant Design
For a 25 mm hole drilled in plates to be rivetted, the shank diameter of the rivet should be __________ mm.

27
26
25
23

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Process Equipment and Plant Design
What is the slope of the feed line, if the feed to a distillation column is a saturated liquid?

< 1
> 1
∞

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Process Equipment and Plant Design
The operating pressure drop range in a bag filter is about __________ mm water gauge.

500-1500
50-150
43961
1500-2500

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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

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

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Process Equipment and Plant Design
In a rotary drier, the average retention time of solid is(where Z = length of the drier, metres ρ = apparent solid density, kg/m³ L = flow rate of dry solids, kg/see. m² drier cross-section H = hold up of solid.)

Z.H/L.ρ
Z.H.ρ/L
H.ρ/L
L/Z.H.ρ

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Process Equipment and Plant Design
Bubble cap diameter used for the distillation column having diameter ranging from 1.5 to 4.5 metres is about __________ mm.

50
100
10
150

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