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Process Equipment and Plant Design

Process Equipment and Plant Design
Fresh water carrying pipelines in chemical industries are coloured with __________ color.

Brown
Sea green
Red
Yellow

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Process Equipment and Plant Design
With increase in the reflux ratio for a fixed production from a continuous binary distillation column, the __________ decreases.

Fixed charges initially
Running cost of cooling water for condenser
Running cost of steam for reboiler
Vapour & liquid load both

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Process Equipment and Plant Design
1.2 to 3.8 cms is the value of the

Skirt clearance for bubble caps
Static submergence in case of a bubble cap tray for column operating under pressure (≥ 1 atm.)
Downcomer liquid seal in case of a balanced tray design
All of these

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Process Equipment and Plant Design
In seive plate column, holes are drilled or punched in sizes ranging from 2.5 to 12 mm (5 mm being widely used). The hole pitch is normally __________ times the hole diameter to give the required hole area.

2.5 to 4.0
10 to 15
5 to 10
0.5 to 1.5

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Process Equipment and Plant Design
Filtration rate is affected by the

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

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Process Equipment and Plant Design
Cylindrical pressure vessels in horizontal condition is generally supported on a __________ support.

Saddle
Skirt
Guy wire
Lug

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