56.

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62.

A flue gas contains CO,, O, and N,. The mixture contains 14% CO, and 6% O, by mole. If
the flue gas is at 200°C and 765 mm Hg pressure, partial pressure of N, in the mixture is:
(A) 107mm Hg (B) 212 mm Hg
(0) 50mm Hg (D) 612 mm Hg

Wet leather with a moisture content 60% enters a drier and leaves with 10% moisture
content. If the product flow rate is 500 kg/h, feed to the drier and water removed (in kg/h) are
respectively :

(A) 1125 and 625 (B) 1225 and 635
(©) 750 and 250 (D) 850 and 350

Pick out correct statement related with Amagat’s law :

(A) Volume of gas mixture equals sum of pure component volumes at the same
temperature and pressure as that of the mixture

(B) Pressure of gas mixture equals sum of pure component pressures at the same
temperature

(C) Partial pressure of a component in mixture is product of mole fraction and total
pressure

(D) Both @) ೩೫4 (0)

Dew point method can be used to measure :
(^) Absolute humidity (B) Partial pressure of vapour
(C) Dew point (D) All the above

Gas expansion thermometers are based on the principle of :
(A) Ideal gas law (8) Dalton’s law
(0 Planck’s law ()_ Kirchoff’s law

Which of the following is used for level measurement in open vessels?
(ಸಿ) rotameter (B) air-trap system

(C) hydrometer (0) hygrometer

Controller suitable for a process, where no offset is tolerable, is :
(^) Proportional controller
(B) Proportional derivative controller
(C) Proportional Integral controller

(D) Proportional Integral Derivative controller

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[P.T.0.]