Chemical Engineering - Chemical Engineering Basics
Exercise :: Chemical Engineering Basics - Section 17
1.
Yield strength of a material is determined by the __________ test.
A. creep B. tension C. compression D. endurance
Answer: Option B
Explanation:
2.
In fluid flow, and heat and mass transfer, one encounters (i ) kinematic velocity (μ), (ii ) molecular diffusivity (θ) and thermal diffusivity (α). The units of these quantities are.
A. μ , α and θ all have units of m/s. B. μ , α and θ all have units of m2 /s. C. α and θ have units of m2 /s, while μ has unit of m/s. D. α and θ have units of m/s, while μ has unit of m2 /s.
Answer: Option C
Explanation:
3.
Window panes of aeroplanes are normally made of
A. perspex (PMMA) B. teflon (PTFE) C. bakelite (phenol formaldehyde) D. polystyrene
Answer: Option A
Explanation:
4.
__________ flux is used for the extraction of metal from its self fluxing ores.
Answer: Option A
Explanation:
5.
Good design of the casing of a centrifugal pump aims at minimising the
A. cavitation B. frictional losses C. kinetic energy loss D. static head
Answer: Option C
Explanation:
