Accidents in chemical plants are mostly due to___________________?

Byadmin March 2, 2019August 23, 2021

Accidents in chemical plants are mostly due to___________________?

A. Inadequate equipment design
B. Faulty operating procedures
C. Improper layout of the equipments
D. Failure of equipments

Process Equipment and Plant Design

An adequate clearance between the tray and the shell wall of a distillation column is provided to_____________________?

An adequate clearance between the tray and the shell wall of a distillation column is provided to_____________________?

A. Drain the liquid from the tray when the unit is not in operation
B. Allow for thermal expansion and facilitate installation
C. Avoid back-trapg
D. None of these

Read More An adequate clearance between the tray and the shell wall of a distillation column is provided to_____________________?
Process Equipment and Plant Design

Flanges are connected to pipes by _______________________?

Flanges are connected to pipes by _______________________?

A. Screwing
B. Welding
C. Brazing
D. All A., B. and C.

Read More Flanges are connected to pipes by _______________________?
Process Equipment and Plant Design

For turbulent flow (NRe > 2100) of low viscosity fluid (μ > 20cp) in steel pipes, the optimum inside pipe diameter is given by(where, Q = fluid flow rate, ft3/sec, ρ = fluid density, lb/ft3 μ = fluid viscosity, centipoise Di = optimum inside pipe diameter, inches) ?

For turbulent flow (NRe > 2100) of low viscosity fluid (μ > 20cp) in steel pipes, the optimum inside pipe diameter is given by(where, Q = fluid flow rate, ft3/sec, ρ = fluid density, lb/ft3 μ = fluid viscosity, centipoise Di = optimum inside pipe diameter, inches) ?

A. Di, opt = 3.9 Q0.45 ρ0.13
B. Di, opt = 3.9 Q0.45. μ0.95
C. Di, opt = 4.7 Q0.36. μ3.2ρ0.13
D. Di, opt = 3 Q0.36. μ0.88

Read More For turbulent flow (NRe > 2100) of low viscosity fluid (μ > 20cp) in steel pipes, the optimum inside pipe diameter is given by(where, Q = fluid flow rate, ft3/sec, ρ = fluid density, lb/ft3 μ = fluid viscosity, centipoise Di = optimum inside pipe diameter, inches) ?
Process Equipment and Plant Design

With increase in pressure drop (for a given particle size), the dust collection efficiency of a cyclone separator will________________?

With increase in pressure drop (for a given particle size), the dust collection efficiency of a cyclone separator will________________?

A. Increase
B. Decrease
C. Remain unaffected
D. Increase or decrease depending on the nature of the dust

Read More With increase in pressure drop (for a given particle size), the dust collection efficiency of a cyclone separator will________________?
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

What is the minimum recommended ligament for square pitch arrangement in case of heat exchangers ?

What is the minimum recommended ligament for square pitch arrangement in case of heat exchangers ?

A. 6.5 cms
B. 6.5 mm
C. Equal to tube I.D
D. Equal to tube O.D

Read More What is the minimum recommended ligament for square pitch arrangement in case of heat exchangers ?

Similar Posts