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Process Equipment and Plant Design

Process Equipment and Plant Design
Width and depth of grooves in the tube sheet holes normally are __________ inch respectively.

1/2 and 5
1/8 and 1/64
1/2 and 8
1/64 and 1/8

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Process Equipment and Plant Design
For turbine agitator, the impeller diameter is about

0.1 to 0.2 d
0.95 d
0.65 to 0.85 d
0.3 to 0.5 d

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Process Equipment and Plant Design
Needle valves are generally not used for

Very accurate flow control
Smaller sizes of pipe
Very large diameter pipes
High pressure throttling service

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Process Equipment and Plant Design
A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity.

95
45
80
60

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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.

Bubble cap
Counterflow
Valve
Sieve

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Process Equipment and Plant Design
Optimum economic pipe diameter for fluid flow is determined by the

Density of the fluid
Total cost considerations (pumping cost plus fixed cost of the pipe)
None of these
Viscosity of the fluid

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