March 2019 - Page 833 of 895 -

A. From rolled strips formed into cylinders and seam-welded
B. By extrusion & casting into static and centrifugal molds
C. By forging a solid round, piercing it by simultaneously rotating & forcing it over a piercer
point and further reducing it by rolling gas drawing
D. Both B. and C.

Seamless pipe is made________________? Read More »

Process Equipment and Plant Design

For annular flow of a fluid, the ratio of the equivalent diameter for pressure drop calculation to the equivalent diameter for heat transfer calculation is_________________?

Process Equipment and Plant Design / admin

For annular flow of a fluid, the ratio of the equivalent diameter for pressure drop calculation to the equivalent diameter for heat transfer calculation is_________________?

A. d1/(d1 + d2)
B. d2/(d1 + d2)
C. (d1 + d2)/d1
D. (d1 + d2)/d2

For annular flow of a fluid, the ratio of the equivalent diameter for pressure drop calculation to the equivalent diameter for heat transfer calculation is_________________? Read More »

Process Equipment and Plant Design

Optimum economic pipe diameter for fluid flow is determined by the____________________?

Process Equipment and Plant Design / admin

Optimum economic pipe diameter for fluid flow is determined by the____________________?

A. Viscosity of the fluid
B. Density of the fluid
C. Total cost considerations (pumg cost plus fixed cost of the pipe)
D. None of these

Optimum economic pipe diameter for fluid flow is determined by the____________________? Read More »

Process Equipment and Plant Design

The ratio for the rate of washing to the final rate of filtration in a washing type of plate and frame filter is____________________?

Process Equipment and Plant Design / admin

The ratio for the rate of washing to the final rate of filtration in a washing type of plate and frame filter is____________________?

A. 0.25
B. 0.50
C. 0.75
D. 1.25

The ratio for the rate of washing to the final rate of filtration in a washing type of plate and frame filter is____________________? Read More »

Process Equipment and Plant Design

Souders Brown equation given by, U = Kv √(ρl – ρv)/ρv, is used for the calculation of the ______________ in a continuous distillation column?

Process Equipment and Plant Design / admin

Souders Brown equation given by, U = Kv √(ρl – ρv)/ρv, is used for the calculation of the ______________ in a continuous distillation column?

A. Diameter of the bubble cap column
B. Diameter of the sieve plate column
C. Tray pressure drop
D. Residence time in the downcomer for the disengagement of entrained vapour

Souders Brown equation given by, U = Kv √(ρl – ρv)/ρv, is used for the calculation of the ______________ in a continuous distillation column? Read More »

Process Equipment and Plant Design

Pressure differential maintained across a continuous rotary vacuum filter is in the range of _______________ mm Hg column?

Process Equipment and Plant Design / admin

Pressure differential maintained across a continuous rotary vacuum filter is in the range of _______________ mm Hg column?

A. 50 to 100
B. 100 to 150
C. 250 to 500
D. 600 to 700

Pressure differential maintained across a continuous rotary vacuum filter is in the range of _______________ mm Hg column? Read More »

Process Equipment and Plant Design

The wall thickness of thin cylindrical shell with hemispherical ends is ______________ that of the spherical ends?

Process Equipment and Plant Design / admin

The wall thickness of thin cylindrical shell with hemispherical ends is ______________ that of the spherical ends?

A. Equal to
B. More than
C. Less than
D. Either B. or C.; depends on maximum permissible internal pressure

The wall thickness of thin cylindrical shell with hemispherical ends is ______________ that of the spherical ends? Read More »

Process Equipment and Plant Design