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Chemical Engineering - Chemical Engineering Basics

Exercise : Chemical Engineering Basics - Section 24
1.
The function of neutral flux used in the pyrometallurgy of metal extraction is to increase the __________ of the slag.
fluidity
basicity
acidity
viscosity
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
The thermodynamic law, PVy = constant, is not followed by the
free expansion of an ideal gas.
adiabatic expansion of steam in turbine.
adiabatic compression of air.
ideal compression of air.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Pick out the wrong statement about the machinability of metals. Machinability of a metal
decreases with increase in strain hardening tendencies.
decreases with increase in hardness, in general.
depends on the composition, microstructure and physical & mechanical properties.
decreases with increases in tensile strength & decrease in grain size.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
The refrigerant freon-12 is chemically
CCl2F2
CCl3F
CClF3
CCl4F
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Which of the following phenomenon will exhibit the minimum heat transfer?
Boiling.
Forced convection in air.
Free convection in air.
Conduction in air.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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