A. mass does not cross boundaries of the system, though energy may do so
B. mass crosses the boundary but not the energy
C. neither mass nor energy crosses the boundaries of the system
D. both energy and mass cross the boundaries of the system
E. thermodynamic reactions take place
0
Which of the following can be regarded as gas so that gas laws could be applicable, within the commonly encountered temperature limits ?
0
General gas equation is____________________?
A. 02, N2, steam, C02
B. Oz, N2, water vapour
C. S02, NH3, C02, moisture
D. 02, N2, H2, air
E. steam vapours, H2, C02
0
According to Gay-Lussac law for a perfect gas, the absolute pressure of given mass varies directly as____________________?
A. PV=nRT
B. PV=mRT
D. PV = C
C. PV=KiRT
E. Cp-Cv = Wj
0
The unit of length in S.I. units is________________?
A. temperature
B. absolute
C. absolute temperature, if volume is kept constant
D. volume, if temperature is kept constant
E. remains constant,if volume and temperature are kept constant
0
The unit of temperature in S.I. units is _________________?
A. meter
B. centimeter
C. kilometer
D. millimeter
4
Which of the following laws is applicable for the behavior of a perfect gas__________________?
A. Centigrade
B. Celsius
C. Fahrenheit
D. Kelvin
E. Rankine
0
The unit of time in S.I. units is__________________?
A. Boyle’s law
B. Charles’law
C. Gay-Lussac law
D. all of the above
E. Joule’s law
0
Which of the following variables controls the physical properties of a perfect gas_________________?
A. second
B. minute
C. hour
D. day
E. year.
0
Atmospheric pressure is equal to____________?
A. pressure
B. temperature
C. volume
D. all of the above
E. atomic mass
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