Process Equipment and Plant Design

The minimum tray spacing in distillation column of diameter less than 3 ft is normally _____________ inches?

Byadmin March 2, 2019August 23, 2021

The minimum tray spacing in distillation column of diameter less than 3 ft is normally _____________ inches?

A. 6
B. 18
C. 24
D. 34

Process Equipment and Plant Design

What is the slope of the operating line in the rectifying section of a distillation column ?

What is the slope of the operating line in the rectifying section of a distillation column ?

A. 0
B. ∞
C. > 1
D. <1

Read More What is the slope of the operating line in the rectifying section of a distillation column ?
Process Equipment and Plant Design

Equivalent diameter for heat transfer calculation for a duct of square cross-section having each side as ‘d’ will be__________________?

Equivalent diameter for heat transfer calculation for a duct of square cross-section having each side as ‘d’ will be__________________?

A. d
B. √d
C. √(2πd)
D. √(2d)

Read More Equivalent diameter for heat transfer calculation for a duct of square cross-section having each side as ‘d’ will be__________________?
Process Equipment and Plant Design

Heat transfer co-efficient for a horizontal condenser as compared to a vertical condenser operating under similar conditions is_______________?

Heat transfer co-efficient for a horizontal condenser as compared to a vertical condenser operating under similar conditions is_______________?

A. Same
B. Less
C. About 3 times
D. About 0.33 times

Read More Heat transfer co-efficient for a horizontal condenser as compared to a vertical condenser operating under similar conditions is_______________?
Process Equipment and Plant Design

Movement of pipeline caused by thermal expansion is taken care by providing ___________________?

Movement of pipeline caused by thermal expansion is taken care by providing ___________________?

A. Expansion joint
B. Changes in its direction
C. Change in the shape of pipeline
D. All A., B. and C.

Read More Movement of pipeline caused by thermal expansion is taken care by providing ___________________?
Process Equipment and Plant Design

For given number of passes, pitch & tube diameter, the maximum number of tubes that can be accommodated in a shell of tripled inside diameter will be ____________ times?

For given number of passes, pitch & tube diameter, the maximum number of tubes that can be accommodated in a shell of tripled inside diameter will be ____________ times?

A. About 9
B. Considerably more than 9
C. Considerably less than 9
D. About 3

Read More For given number of passes, pitch & tube diameter, the maximum number of tubes that can be accommodated in a shell of tripled inside diameter will be ____________ times?
Process Equipment and Plant Design

Cylindrical storage tanks used for the storage of volatile liquids (e.g., naphtha) have ______________ roofs?

Cylindrical storage tanks used for the storage of volatile liquids (e.g., naphtha) have ______________ roofs?

A. Conical
B. Flat
C. Floating
D. Fixed

Read More Cylindrical storage tanks used for the storage of volatile liquids (e.g., naphtha) have ______________ roofs?