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Chemical Engineering - Mass Transfer

Exercise : Mass Transfer - Section 5
46.
Minimum possible diameter of a packed coloumn is decided mainly by the
flooding
gas viscosity
liquid density
liquid hold up
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
Solvent used in extractive distillation
is of low volatility.
forms a low boiling azeotrope.
forms a high boiling azeotrope.
does not alter the relative volatility of the original components.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
Capacity of a rotary dryer depends on its
r.p.m
inclination with ground surface
both (a) and (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
The cooling effect in a cooling tower can be speeded up by
increasing the air velocity and area of exposed wet surface.
reducing the barometric pressure.
reducing the humidity of the air.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
The following plot gives the saturated humidity (He) versus temperature (T).Line joining (H1, T1) and (H2, T2) is the constant enthalpy line. Choose the correct one from among the alternatives A, B, C and D.
T1-Dew point temp; T2-Dry bulb temp; T3-Wet bulb temp.
T1-Dew point temp; T2-Wet bulb temp; T3-Dry bulb temp.
T1-Wet bulb temp; T2-Dry bulb temp; T3-Dew point temp.
T1-Dry bulb temp; T2-Wet bulb temp; T3-Dew point temp.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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