Search
.Management Sciences
Category: Process Equipment and Plant Design
Seamless pipe is made________________?
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.
The wall thickness for a large high pressure pipeline is determined by the consideration of the____________________?
A. Axial tensile stress in the pipe
B. Forces exerted by static and dynamic action at bends
C. Circumferential pipe-wall tension
D. Temperature stresses
Length to diameter ratio of most rotary driers is in the range of____________________?
A. 1 to 2
B. 4 to 10
C. 10 to 20
D. 20 to 30
Which of the following is the best tube material from thermal conductivity point of view alone ?
A. Aluminium
B. Stainless steel
C. Copper
D. Carbon steel
Power required for agitation depends upon the______________________?
A. Height & properties of the liquid
B. Agitator type & speed of agitation
C. Size of agitator & the tank
D. All A., B. and C.
In actual operation of a bubble cap distillation tower, the ______________ at the bottom of the tower is more than that at the top of the tower?
A. Molal flow rate of vapour
B. Vapour molecular weight
C. Pressure and temperature
D. All A., B. and C.
Scale up problem in design based on the similarity concept takes into account _______________ similarity?
A. Geometrical
B. Kinematic
C. Dynamic
D. All A., B. and C.
The absorption factor is defined as (where, S1 = slope of the equilibrium curve, S2 = slope of the operating line) ?
A. S1/S2
B. S1.S2
C. S2/S1
D. 1/S1.S2
Recent Comments