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Chemical Engineering - Chemical Engineering Basics

Exercise : Chemical Engineering Basics - Section 2
6.
__________ of air does not increase with increase in temperature.
Density
Thermal diffusivity
Viscosity
Thermal conductivity
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Spherical shape of mercury droplets is due to its
high viscosity.
low surface tension.
high density.
high surface tension.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Sub zero treatment of steel is done to
suppress martensite transformation.
enhance its working performance in sub zero atmosphere.
reduce the retained austenite in hardened steel.
induce temper brittleness after its hardening.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Air-petrol ratio for maximum power generation in spark ignition engine is about
6:1
12 : 1
18 : 1
24 : 1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Which of the following varies as the square root of oil pressure during atomisation of fuel oil through a pressure jet burner ?
Output & fineness
Velocity
Both (a) & (b)
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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