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Chemical Engineering - Chemical Engineering Basics

Exercise : Chemical Engineering Basics - Section 23
36.
Grinding wheel made of silicon carbide is most suitable for grinding materials of low tensile strength (e.g; tough bronze). Grinding is a __________ operation.
turning
dressing
forming
surface finishing
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
Which of the following is the most effective inhibitor of grain growth, when added in small quantity in steel ?
Manganese
Vanadium
Cobalt
Copper
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
A controller action in which there is a con-tinous relation between the values of controlled variable and the rate of change of conrolled output signal is called the __________ action.
proportional
integral
derivative
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
An ideal fluid is
viscous & incompressible.
non-viscous & compressible.
non-viscous & incompressible.
viscous & compressible.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
When dry bulb temperature & wet bulb temperature of moist air is the same, it means that the
partial pressure of water vapour is less than the total pressure.
humidity is < 100% & dew point temperature of air has not reached.
dew point temperature of air has not reached & air is not saturated fully.
air is fully saturated.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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