The ratio of the largest load in a test to the original cross-sectional area of the test specimen is called the _____________ stress?

Byadmin March 2, 2019August 23, 2021

The ratio of the largest load in a test to the original cross-sectional area of the test specimen is called the _____________ stress?

A. Yield point
B. Breaking
C. Ultimate
D. None of these

Process Equipment and Plant Design

Overall tray efficiency of a distillation column is the ratio of the number of ___________________?

Overall tray efficiency of a distillation column is the ratio of the number of ___________________?

A. Overall gas transfer units to the number of ideal trays required
B. Ideal trays required to the number of real trays required
C. Real trays required to the number of ideal trays required
D. None of these

Read More Overall tray efficiency of a distillation column is the ratio of the number of ___________________?
Process Equipment and Plant Design

In a continuous distillation column, the optimum reflux ratio ranges from _______________ times the minimum reflux ratio?

In a continuous distillation column, the optimum reflux ratio ranges from _______________ times the minimum reflux ratio?

A. 1.1 to 1.5
B. 1.6 to 2
C. 2.2 to 2.6
D. 2.7 to 3

Read More In a continuous distillation column, the optimum reflux ratio ranges from _______________ times the minimum reflux ratio?
Process Equipment and Plant Design

Theoretically calculated diameter of the stripping section of the continuous rectification column is ______________ that of the enriching section?

Theoretically calculated diameter of the stripg section of the continuous rectification column is ______________ that of the enriching section?

A. Less than
B. More than
C. Same as
D. Either more or less (depending upon relative volatility

Read More Theoretically calculated diameter of the stripping section of the continuous rectification column is ______________ that of the enriching section?
Process Equipment and Plant Design

In a multipass shell and tube heat exchanger, the baffles on shell side is primarily provided for______________?

In a multipass shell and tube heat exchanger, the baffles on shell side is primarily provided for______________?

A. Reducing scale deposition
B. Increasing pressure drop
C. Fixing the tubes
D. Creating turbulence

Read More In a multipass shell and tube heat exchanger, the baffles on shell side is primarily provided for______________?
Process Equipment and Plant Design

In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube) ?

In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube) ?

A. 4(P2 – πd2/4)/πd
B. (P2 – rd2/4)/rd
C. 4P2/πd
D. πd/4P2

Read More In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube) ?
Process Equipment and Plant Design

For a cylindrical shell, (subject to the thickness of uppermost course being more than the minimum for dia of the tank in question), the thickness of the courses of shell_________________?

For a cylindrical shell, (subject to the thickness of uppermost course being more than the minimum for dia of the tank in question), the thickness of the courses of shell_________________?

A. Decreases upwards
B. Increases upwards
C. Remains same throughout
D. May decrease or increase upwards depending upon whether vacuum or positive pressure
would be maintained inside the shell

Read More For a cylindrical shell, (subject to the thickness of uppermost course being more than the minimum for dia of the tank in question), the thickness of the courses of shell_________________?

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