In closed thermodynamics system, both the mass and energy can cross the boundary

Question

In closed thermodynamics system, both the mass and energy can cross the boundary of the system. (T)(F) 2) For two phase system of a pure substance, pressure (P) and temperature (T) are enough to describe the state of the system. (T) (F) 3) Zeroth law of thermodynamics helps to measure temperature of any system. (T) (F) 4) In any thermodynamic system, the minimum temperature ever is -273 K. (T) (F) 5) The pressure at 10 m below the sea water level is higher than atmospheric by 98100 Pa (assuming water density of 1000 kg/m^3) (T) (F) 6) We can boil the water at very low temperature simply by increasing its pressure. (T) (F) 7) A polytropic process for a gas with P-V relation of (PV^B = C) with the index n = infinity, is an isochoric one. (T)(F) 8) Most gases tend to behave as an ideal gas at very low pressure and very high temperature. (T) (F) 9) For liquids and solids, C_p is much greater than C_v. (T) (F) 10) The weight of an evacuated football is larger than the weight of a football filled with air. (T) (F) 11) The area under the T-v diagram represents the work done during any thermodynamic process. (T) (F) 12) Leaving a 20 Watt fan running in an insulated room for the whole day would cause the air temperature in the room to decrease. (T) (F)

Explanation / Answer

ANSWERS :-

1). FALSE

2). TRUE

3). TRUE

4). TRUE

5). TRUE

6). FALSE

7). TRUE

8). TRUE

9). TRUE

10). FALSE

11). FALSE

12). FALSE

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