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Chemical Engineering - Chemical Engineering Basics

Exercise : Chemical Engineering Basics - Section 3
21.
__________ iron is produced by the annealing of white cast iron.
Malleable
Nodular
Ductile
Grey
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
The mechanism which changes the value of manipulated variable in response to the output signal from the control unit is called the
final control element.
on-off control.
floating control action.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
Fahrenheit and Centigrade scales have the same readings at
-55°
-40°
-33°
-58°
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Which of the following low melting alloy containing bismuth and lead is used for electric fuse ?
Wood's metal
Babbit metal
Monel metal
Duralumin
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
Water-tube boiler is the one, in which
water passes through tubes and flue gases around it.
tube carrying hot flue gases are immersed in a pool of water.
tubes are placed in vertical position.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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