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Process Equipment and Plant Design

In a cylindrical vessel subjected to internal pressure, the longitudinal stress ζL and the circumferential stress, ζn are related by___________________?

In a cylindrical vessel subjected to internal pressure, the longitudinal stress ζL and the circumferential stress, ζn are related by___________________?

A. ζh = 2 ζL
B. ζh = ζL
C. ζh = ζL/2
D. No relation exists

In a cylindrical vessel subjected to internal pressure, the longitudinal stress ζL and the circumferential stress, ζn are related by___________________? Read More »

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____________________?

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_________________?

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?

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?

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?

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