Chemical Engineering - Chemical Engineering Basics

31.
The speed of sound will be maximum in
vacuum
metal
air
water
Answer: Option
Explanation:
No answer description is available. Let's discuss.

32.
Work done by a/an __________ process is determined by.
adiabatic
quasi-static
isothermal
isentropic
Answer: Option
Explanation:
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33.
In case of water (Prandtl number ≈ 6) flowing over a flat plate heated over the entire length, the thermal boundary layer thickness as compared to hydrodynamic boundary layer thickness is
less
more
equal
unpredictable
Answer: Option
Explanation:
No answer description is available. Let's discuss.

34.
__________ number is sometimes used in place of Grashoff number in free convection heat transfer.
Stanton
Brinkman
Rayleigh
Nusselt
Answer: Option
Explanation:
No answer description is available. Let's discuss.

35.
Wrought iron does not have the
uniform strength in all directions.
ability to hold protective coating.
high ductility & corrosion resistance.
easily weldable characteristics.
Answer: Option
Explanation:
No answer description is available. Let's discuss.