48.

44.

48.

46.

47.

48.

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19

In the absence of any unbalanced force within the system itself and also between the system
and surroundings, the system is said to be in :

(ಹ) Thermal equilibrium (3) Chemical equilibrium
0) Mechanical equilibrium (D) Thermodynamic equilibrium

Latent heat of sublimation is the amount of heat transferred to convert a unit mass from :
(ಯ) Vapour to liquid (B) Solid to vapour
(0) Liquid to vapour (D) Vapour to solid

A fluid is been throttled though a valve fitted in an insulated pipe, what remains constant?
(ക) Pressure (B) Internal energy
(© Enthalpy (D) Entropy

It is impossible to construct a device which, operating in a cycle, will produce no effect other
than the transfer of heat from a cooler to a hotter body. Who proposed this statement?

(A) Clausius (2) Kelvin - Plank
© Carnot യ ೮.8. 0016

The part of the low grade energy which, according to second law must be rejected is :
(A) Auvailable energy (B) Gibb’s free energy
(© Exergy യ Anergy

The region inside the inversion curve where Joule - Kelvin coefficient is positive :
(A) Cooling region (B) Heating region
(0) Unchanged region (D) Both (B) and (C)

It is impossible by any procedure, no matter how idealized, to reduce any system to the
absolute zero of temperature in & finite number of operations. This statement corresponds to :

(മ) Zerothlaw (B) Third law
(C) Firstlaw (D) Second law
A process always occurs in such a direction to cause the entropy of the universe :
(ക) Remains same (B) Decreases
(0) Increases (D) Unpredictable

In a Face Centered Cubic (FCC) structure the effective number of lattice points in unit cell
18 :

@) 2 © 4
© 1 യ 8

36/2019 8 A