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Chemical Engineering - Chemical Engineering Basics

Exercise : Chemical Engineering Basics - Section 1
36.
Maximum amount of thermal radiation is emitted at all wavelengths at any specified temperature by a/an __________ body.
grey
black
opaque
white
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
In condensers used in thermal power plants, steam is normally used in shell side and cooling water on the tube side, because of the reason that
compared to the mass flow rate of cooling water, the rate of condensation of steam is invariably smaller.
maintaining vacuum on tube side is more difficult than that on the shell side.
water velocity can be increased conveniently to increase the overall heat transfer co-efficient because of its lower specific volume compared to steam.
condenser can act as a storage unit for condensed steam.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
Cobalt - 60 is used as a source of __________ in medical therapy & industrial radiography.
X-rays
γ-rays
α-rays
β-rays
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
Absolute zero pressure can be attained at a temperature of
0°C
50°K
0°R
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
The product out from a cupola is called
wrought iron
pig iron
cast iron
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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