Fouling factor must be included in the calculation of overall design heat transfer coefficient, when the liquid__________________?

Byadmin March 2, 2019August 24, 2021

Fouling factor must be included in the calculation of overall design heat transfer coefficient, when the liquid__________________?

A. Containing suspended solids flows at low velocity
B. Containing suspended solids flows at high velocity
C. Is highly viscous
D. Is of high specific gravity

Process Equipment and Plant Design

Thin spherical shells subjected to internal pressure, develop ______________ stresses?

Thin spherical shells subjected to internal pressure, develop ______________ stresses?

A. Radial
B. Circumferential
C. Both A. & B.
D. Neither A. nor B.

Read More Thin spherical shells subjected to internal pressure, develop ______________ stresses?
Process Equipment and Plant Design

In sieve plate column, holes are drilled or punched in sizes ranging from 2.5 to 12 mm (5 mm being widely used). The hole pitch is normally ______________ times the hole diameter to give the required hole area?

In sieve plate column, holes are drilled or punched in sizes ranging from 2.5 to 12 mm (5 mm being widely used). The hole pitch is normally ______________ times the hole diameter to give the required hole area?

A. 0.5 to 1.5
B. 2.5 to 4.0
C. 5 to 10
D. 10 to 15

Read More In sieve plate column, holes are drilled or punched in sizes ranging from 2.5 to 12 mm (5 mm being widely used). The hole pitch is normally ______________ times the hole diameter to give the required hole area?
Process Equipment and Plant Design

In case of plain carbon steel, butt welded joints are used for shell plate thickness ≤ _____________ cms?

In case of plain carbon steel, butt welded joints are used for shell plate thickness ≤ _____________ cms?

A. 1.2
B. 0.5
C. 3.8
D. 6.8

Read More In case of plain carbon steel, butt welded joints are used for shell plate thickness ≤ _____________ cms?
Process Equipment and Plant Design

The most common standard size of bubble caps used in industrial operation is___________________?

The most common standard size of bubble caps used in industrial operation is___________________?

A. 1″ dia cap with 0.5″ dia riser
B. 6″ dia cap with 4″ dia riser
C. 8″ dia cap with 1″ dia riser
D. 4″ dia cap with 8″ dia riser

Read More The most common standard size of bubble caps used in industrial operation is___________________?
Process Equipment and Plant Design

In packed towers provided with pall rings liquid redistributors are positioned at heights of every 6 metres or 5-10 times the column diameter, whichever is less. Maximum size of the pall rings should not exceed _______________________ of the column diameter?

In packed towers provided with pall rings liquid redistributors are positioned at heights of every 6 metres or 5-10 times the column diameter, whichever is less. Maximum size of the pall rings should not exceed _______________________ of the column diameter?

A. 1/10-1/15th
B. 1/5-1/10th
C. 1/20-1/30th
D. 1/2 to 1/4th

Read More In packed towers provided with pall rings liquid redistributors are positioned at heights of every 6 metres or 5-10 times the column diameter, whichever is less. Maximum size of the pall rings should not exceed _______________________ of the column diameter?
Process Equipment and Plant Design

The ratio of lateral strain to linear strain is termed as the___________________?

The ratio of lateral strain to linear strain is termed as the___________________?

A. Poisson’s ratio
B. Bulk modulus
C. Modulus of elasticity
D. Shear modulus

Read More The ratio of lateral strain to linear strain is termed as the___________________?

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