Compensation against openings in process vessels for giving inlet and outlet connections, for providing sight glasses and manholes etc. is provided for strength and rigidity. The most efficient type of compensation is of __________ type.

Process Equipment and Plant Design
Compensation against openings in process vessels for giving inlet and outlet connections, for providing sight glasses and manholes etc. is provided for strength and rigidity. The most efficient type of compensation is of __________ type.

Flared out

Nozzle or rim

Ring plate

Fluid in

Flared out

Nozzle or rim

Ring plate

Fluid in

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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 = 1.004G0.37

HG = 0.0176G0.37

1.004G0.8

0.0176G1.37

HG = 1.004G0.37

HG = 0.0176G0.37

1.004G0.8

0.0176G1.37

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Process Equipment and Plant Design
The length of straight rectangular weir used on cross-flow trays is generally __________ the column diameter.

Twice

2 ft irrespective of (for column > 3 ft diameter)

0.6-0.8 times

Equal to

Twice

2 ft irrespective of (for column > 3 ft diameter)

0.6-0.8 times

Equal to

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Process Equipment and Plant Design
A stuffing box is used for

Reducing the resistance of fluid flow

Facilitating smooth opening and closing of a valve

Absorbing the contraction/expansion of pipeline due to temperature changes

Prevention of fluid leakage around moving parts

Reducing the resistance of fluid flow

Facilitating smooth opening and closing of a valve

Absorbing the contraction/expansion of pipeline due to temperature changes

Prevention of fluid leakage around moving parts

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Process Equipment and Plant Design
In the downcomer of a distillation column, the minimum recommended residence time is about __________ seconds.

17.5

2.5

12.5

5

17.5

2.5

12.5

5

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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.

30 to 40

40 to 50

10 to 20

1 to 5

30 to 40

40 to 50

10 to 20

1 to 5

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Process Equipment and Plant Design

Process Equipment and Plant Design Compensation against openings in process vessels for giving inlet and outlet connections, for providing sight glasses and manholes etc. is provided for strength and rigidity. The most efficient type of compensation is of __________ type.

Process Equipment and Plant Design The length of straight rectangular weir used on cross-flow trays is generally __________ the column diameter.

Process Equipment and Plant Design A stuffing box is used for

Process Equipment and Plant Design In the downcomer of a distillation column, the minimum recommended residence time is about __________ seconds.

Process Equipment and Plant Design
Compensation against openings in process vessels for giving inlet and outlet connections, for providing sight glasses and manholes etc. is provided for strength and rigidity. The most efficient type of compensation is of __________ type.

Process Equipment and Plant Design
The length of straight rectangular weir used on cross-flow trays is generally __________ the column diameter.

Process Equipment and Plant Design
A stuffing box is used for

Process Equipment and Plant Design
In the downcomer of a distillation column, the minimum recommended residence time is about __________ seconds.