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Chemical Engineering - Chemical Engineering Basics

Exercise : Chemical Engineering Basics - Section 20
31.
Batch process is preferred over continuous process, when the
product yields and quality can not be achieved in continuous process, because of long residence time.
sales demand of product is not steady.
same equipment can not be used for several processes of the same nature.
all (a), (b) & (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
Which of the following is a permanent fastening?
Rivets
Bolts
Screws
Keys
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
Hot & cold working of material causes its __________ deformation.
visco-elastic
isotropic
elastic
plastic
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
The ratio of thermal & electrical conductivity is same for all the metals at the same temperature ; and at around room temperature, this ratio is proportional to(where, T = absolute temperature, °K)
T
1/T
T2
1/T2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
In a fuel cell, chemical energy is converted into
electrical energy directly.
mechanical energy.
electrical energy and stored therein.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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