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Process Equipment and Plant Design

Process Equipment and Plant Design
The practical representative values of HETP for a number of commercial operations lies within a range of __________ metre.

1.2-1.5
0.1-0.2
0.2-0.5
0.4-0.9

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Process Equipment and Plant Design
Excessive liquid gradient on a tray may result in the

Back trapping
Maldistribution of gas
Gas blowing beneath cap skit
All of these

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Process Equipment and Plant Design
For identical operating conditions, the pressure drop over __________ tray is the highest out of the following.

Sieve
Counterflow
Valve
Bubble cap

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Process Equipment and Plant Design
Oxygen carrying pipelines in chemical industries are coloured with __________ colour.

Red
Black
Blue
Yellow

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Process Equipment and Plant Design
Filtration rate is affected by the

Cake & filter medium resistance
Area of filtering surface & the viscosity of filtrate
Pressure drop across the cake & filter medium
All of these

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Process Equipment and Plant Design
Large process vessels operating under extreme temperature and pressure conditions are normally clad/ lined with materials like stainless steel, aluminium, nickel & its alloys, copper & its alloys and titanium. The cladding thickness is generally about __________ percent of the total thickness.

1 to 5
40 to 50
10 to 20
30 to 40

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