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March 2019

The distance between the top of the slots and the liquid surface when the static liquid is just ready to flow over the overflow weir is called____________________?

Process Equipment and Plant Design /
The distance between the top of the slots and the liquid surface when the static liquid is just ready to flow over the overflow weir is called____________________?

A. Downcomer liquid seal
B. Static submergence
C. Skirt clearance
D. None of these

The distance between the top of the slots and the liquid surface when the static liquid is just ready to flow over the overflow weir is called____________________? Read More »

Process Equipment and Plant Design

With increase in temperature drop (in a shell and tube heat exchanger), the LMTD correction factor, FT_________________?

Process Equipment and Plant Design /
With increase in temperature drop (in a shell and tube heat exchanger), the LMTD correction factor, FT_________________?

A. Decreases very rapidly
B. Increases very rapidly
C. Remains constant
D. Increases linearly

With increase in temperature drop (in a shell and tube heat exchanger), the LMTD correction factor, FT_________________? Read More »

Process Equipment and Plant Design

Multiple blade paddle agitator is used for mixing high viscosity liquids/paste in which the paddle diameter is commonly 0.8 times the tank diameter. However, the width of the blade is in the range of ______________ times the paddle diameter?

Process Equipment and Plant Design /
Multiple blade paddle agitator is used for mixing high viscosity liquids/paste in which the paddle diameter is commonly 0.8 times the tank diameter. However, the width of the blade is in the range of ______________ times the paddle diameter?

A. 0.1 to 0.25
B. 0.3 to 0.5
C. 0.5 to 0.6
D. 0.65 to 0.80

Multiple blade paddle agitator is used for mixing high viscosity liquids/paste in which the paddle diameter is commonly 0.8 times the tank diameter. However, the width of the blade is in the range of ______________ times the paddle diameter? Read More »

Process Equipment and Plant Design

If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will _____________ times?

Process Equipment and Plant Design /
If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will _____________ times?

A. Increase by 1.8
B. Decrease by 22
C. Increase by 21.6
D. None of these

If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will _____________ times? Read More »

Process Equipment and Plant Design

For storing hazardous chemicals in large storage tanks, the minimum safe distance between the two tanks should range between ______________________ times the tank diameter?

Process Equipment and Plant Design /
For storing hazardous chemicals in large storage tanks, the minimum safe distance between the two tanks should range between ______________________ times the tank diameter?

A. 1 to 1.5
B. 2.5 to 3.5
C. 4 to 5
D. 6 to 8

For storing hazardous chemicals in large storage tanks, the minimum safe distance between the two tanks should range between ______________________ times the tank diameter? Read More »

Process Equipment and Plant Design

Which of the following is not a graphical method (but is an analytical method) for the calculation of theoretical number of stages in case of continuous binary distillation ?

Process Equipment and Plant Design /
Which of the following is not a graphical method (but is an analytical method) for the calculation of theoretical number of stages in case of continuous binary distillation ?

A. Sorel-Lewis method
B. McCabe-Thiele’s method
C. Ponchon-Savarit method
D. None of these

Which of the following is not a graphical method (but is an analytical method) for the calculation of theoretical number of stages in case of continuous binary distillation ? Read More »

Process Equipment and Plant Design