Compressors, Gas Turbines and Jet Engines

A. 2:l
b. 4:1
C. 61: 1
D. 9 : 1
E. 12:1.

A. 1 : 1
B. 2 : 1
C. 4 : 1
D. 1:2
E. 1 : 6

A. same
B. more
C. less
D. depends on other factors
E. unpredictably

A. equal to zero
B. in the direction of motion of blades
C. opposite to the direction of motion of blades
D. depending on the velocity
E. none of the above

A. 7 : 1
B. 15 : 1
C. 30 : 1
D. 40 : 1
E. 50: 1

A. higher
B. lower
C. same
D. depends on on odier considerations
E. unpredictable

A. low.er heating value
B. higher heating value
C. heating value
D. higher calorific value
E. highest calorific value

A. low
B. high
C. same
D. low/high depending on make and type
E. unpredictable

A. net work output and heat supplied (6) net work output and work done by tur¬bine
C. actual heat drop and isentropic heat drop
D. net work output and isentropic heat drop
E. isentropic increase/drop in tempera¬ture and actual increase/ drop in temperature

A. large discharge at high pressure
B. low discharge at high pressure
C. large discharge at low pressure
D. low discharge at low pressure
E. there is no such limitation