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Chemical Engineering - Chemical Engineering Basics

Exercise : Chemical Engineering Basics - Section 5
6.
A reduction in thermal resistance during heat transfer does not occur in the
convection heat transfer by stirring the fluid and cleaning the heating surface.
conduction heat transfer by reduction in the material thickness and increase in the thermal conductivity.
radiation heat transfer by increasing the temperature and reducing the emis-sivity.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Unit of viscosity in CGS system is
gm .cm-1 sec-1
gm . cm2 . sec-2
gm .cm-2, sec-1
gm . cm . sec-1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Shaft/rotor speed is most accurately measured by a
frequency counter.
tachometer.
strobometer.
speedometer.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
__________ test determines the yield strength, Young's modulus of elasticity, percentage reduction in area & percentage elongation of a material.
Tensile
Fatigue
Impact
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
The rolling process can not be used to produce
plates
rods
tubes
wires
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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