On volume basis, air contains following parts of oxygen _____________________?
On volume basis, air contains following parts of oxygen _____________________?
A. 21
B. 23
C. 25
D. 77
E. 79
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If a fluid expands suddenly into vacuum through an orifice of large dimension, then such a process is called___________________?
If a fluid expands suddenly into vacuum through an orifice of large dimension, then such a process is called___________________?A. free expansion
B. hyperbolic expansion
C. adiabatic expansion
D. parabolic expansion
E. throttlingIn an isothermal process, the internal energy________________?
In an isothermal process, the internal energy________________?A. increases
B. decreases
C. remains constant
D. first increases and then decreases
E. first decreases and then increasesWhich of the following cycles is not a reversible cycle_____________________?
Which of the following cycles is not a reversible cycle_____________________?A. Carnot
B. Ericsson
C. Stirling
D. Joule
E. none of the aboveExtensive property of a system is one whose value______________________?
Extensive property of a system is one whose value______________________?A. depends on the mass of the system like volume
B. does not depend on the mass of the system, like temperature, pressure, etc.
C. is not dependent on the path followed but on the state
D. is dependent on the path followed and not on the state
E. is always constantAddition of heat at constant pressure to a gas results in________________?
Addition of heat at constant pressure to a gas results in________________?A. raising its temperature
B. raising its pressure
C. raising its volume
D. raising its temperature and doing external work
E. doing external workCarnot cycle is__________________?
Carnot cycle is__________________?A. a reversible cycle (ft) an irreversible cycle
C. a semi-reversible cycle
D. a quasi static cycle
E. an adiabatic irreversible cycle