A.It does not use heat
B.It employs exothermal chemical reaction for developing high temperature
C.It is less time consuming
D.It does not require electrodes
E.None of the above
A.Relative humidity
B.Specific humidity decreases
C.Humidity ratio
D.Degree of saturation
E.None of the above
A.Depends upon the amount of friction
B.Depends upon the intake and exhaust temperature
C.Depends upon whether kinetic energy is involved
D.Is 50%
E.Is 100%
A.film diffusion is the controlling resistance
B.chemical reaction is the controlling resistance
C.diffusion through ash layer is the controlling resistance.
A.Surging
B.Stalling
C.Regeneration
D.Recirculation
E.Feedback
A.0.065 percent
B.0.6 to 0.7 percent
C.6 to 7 percent
D.00 to 70 percent
E.None of the above
A.The length of pipeline
B.The speed at which the valve is closed
C.To elastic properties of the liquid flowing through the pipe
D.The elastic properties of the pipe material
E.All of the above
A.High refrigerant charge
B.Low refrigerant charge
C.Air in the system
D.High vapour pressure
E.Any of the above
A.usually more than a large chemical plant
B.usually much more than a large chemical plant
C.usually much less than a large chemical plant
D.always equal to a large chemical plant
A.99.90%
B.95%
C.90%
D.80%
E.78%
