PROCESS EQUIPMENT AND PLANT DESIGN QUIZ

Seamless pipe is made

Both B and C

From rolled strips formed into cylinders and seam-welded

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

TRUE ANSWER : ?
YOUR ANSWER : ?

In the design of a bag filter, the gas temperature is an important consideration, as it affects the

Gas density

Fibre selection

Gas viscosity

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Height of the flights in the rotary drier is in the range of

0.5 to 0.6 d

0.02 to 0.05 d

0.08 to 0.12 d

0.2 to 0.5 d

TRUE ANSWER : ?
YOUR ANSWER : ?

A head comprises of straight flange section, corner torus, section and central dished section. Crown radius and knuckle radius in a head is related respectively to the

Corner torus section and central dished section

Central dished section and corner torus section

Central dished section and straight flange section

Straight flange section and corner torus section

TRUE ANSWER : ?
YOUR ANSWER : ?

Maximum size of the raschig rings used in a packed tower is about __________ of the coloumn diameter.

1/50th

1/30th

1/10th

1/20th

TRUE ANSWER : ?
YOUR ANSWER : ?

Steam economy is defined as the amount of evaporation per unit amount of steam used, while the capacity is the total evaporation obtained per hour. Use of multiple effect in evaporation

Both B & C

Increases economy

Does not affect the capacity

Increases capacity

TRUE ANSWER : ?
YOUR ANSWER : ?

The buckling tendency of compression members is always in the direction of the

None of these

Axis of the load

Least radius of gyration

Perpendicular to the axis of the load

TRUE ANSWER : ?
YOUR ANSWER : ?

In a double pipe concentric heat exchanger, the equivalent diameter of annulus for heat transfer would be (where, D₁ and D₂ are I.D. of inner and outer pipes)

(D₂² - D₁²)/D₂²

(D₂² - D₁²)/D₁²

None of these

D₂ - D₁

TRUE ANSWER : ?
YOUR ANSWER : ?

Cooling water fouling factors vary in the range of 0.001 to 0.003

(kcal/hr. m. °C)⁻¹

(kcal/hr.m² .°C)⁻¹

(BTU/hr.ft² . °F)⁻¹

(W/m².°K)⁻¹

TRUE ANSWER : ?
YOUR ANSWER : ?

High pressure fluid in a shell and tube heat exchanger should preferably be routed through the

Shell side for large overall heat transfer co-efficient

Shell side, if the flow is counter-current and tube side if the flow is co-current

Tubes to avoid the expansion of high pressure shell construction

Shell side for smaller total pressure drop

TRUE ANSWER : ?
YOUR ANSWER : ?

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