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For the following questions answer them individually
The same volume of all gases would represent their _____.
densities
specific weights
molecular weights
gas characteristics constants
Extensive property of a system is one whose value _____.
depends on the mass of the system, like volume
does not depend on the mass of the system, like temperature, pressure etc.
is not dependent on the path followed but on the state
is dependent on the path followed and not on the state
In an isothermal process, the internal energy of gas molecules _____.
increases
decreases
remains constant
may increase/decrease depending on the properties of gas
The more effective way of increasing efficiency of Carnot engine is to _____.
increase higher temperature
decrease higher temperature
increase lower temperature
decrease lower temperature
Under ideal conditions, isothermal, isobaric, isochoric and adiabatic processes are _____.
static processes
dynamic processes
quasi-static processes
stable processes
Total heat of a substance is also known as _____.
internal energy
entropy
thermal capacity
enthalpy
In a Carnot cycle, heat is transferred at _____.
constant pressure
constant volume
constant temperature
constant enthalpy
Change of entropy depends upon _____.
change of mass
change of temperature
change of specific heats
change of heat
Compressed air coming out from a punctured football _____.
becomes hotter
becomes cooler
remains at the same temperature
may become hotter or cooler depending upon the humidity of the surrounding air
The ratio of actual cycle efficiency to that of ideal cycle efficiency is called _____.
effectiveness
work ratio
efficiency ratio
isentropic efficiency
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