Mass Transfer - Study Mode

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[#241] Dimension of mass diffusivity is the same as that of

(A) Kinematic viscosity

(B) Dynamic viscosity

(C) Surface tension

(D) Pressure

Correct Answer

(A) Kinematic viscosity

[#242] Milk is dried usually in a __________ dryer.

(A) Freeze

(B) Spray

(C) Tray

(D) Rotary

Correct Answer

(B) Spray

[#243] Molarity is defined as the number of gm moles of solute per __________ of solvent.

(A) Litre

(B) Kg

(C) Gm

(D) C.c

Correct Answer

(A) Litre

[#244] Molality is defined as the number of gm moles of solute per __________ of solvent.

(A) litre

(B) gm

(C) kg

(D) m 3

Correct Answer

(C) kg

[#245] Deairation (removal of O 2 ) of water is done by

(A) Rectification

(B) Absorption

(C) Ion-exchange

(D) Adsorption

Correct Answer

(C) Ion-exchange