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Chemical Engineering - Chemical Engineering Basics

Exercise : Chemical Engineering Basics - Section 10
1.
LVDT used for displacement measurement is a/an __________ transducer.
passive
active
capacitive
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
A static fluid can not have
zero shear stress.
positive normal stress.
non-zero shear stress.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the
range is 15°F.
approach is 10°F.
both (a) & (b).
neither (a) nor (b).
Answer: Option
Explanation:

Temperature range (T1 - T2) = 15°F.

Temperature approach (T2 - tw) = 10°F.

Wet-bulb temperature tw = 70°F.

4.
Which of the following is the most elastic material ?
Plastic
Glass
Steel
Rubber
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
The 'laughing gas' is
nitrous oxide
nitric oxide
nitrogen trioxide
nitrogen pentoxide
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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