Process Equipment and Plant Design
Seamless pipe is made

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

ANSWER DOWNLOAD EXAMIANS APP

Process Equipment and Plant Design
In a bag filter, the pressure drop increases directly as the

Density of the gas, but is independent of the viscosity of the gas
None of these
Density of the gas and inversely as viscosity of the gas
Viscosity of the gas and inversely as density of the gas

ANSWER DOWNLOAD EXAMIANS APP

Process Equipment and Plant Design
Which of the following is not a valid assumption in continuous binary distillation for calculating the number of equilibrium stages by Mc-Cabe-Thiele's method?

Reflux is not a saturated liquid
Heat of mixing of normal liquid is assumed to be zero
Molar latent heat of the two components are equal
Sensible heat changes for vapour & liquid are negligibly small

ANSWER DOWNLOAD EXAMIANS APP