A closed gas turbine in which fuel is burnt directly in the air is not possible because of__________________?

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

A. high h.p. and low weight
B. low weight and small frontal area
C. small frontal area and high h.p.
D. high speed and high h.p.
E. all of the above

A. better lubrication is possible advantages of multistage
B. more loss of air due to leakage past the cylinder
C. mechanical balance is better
D. air can be cooled perfectly in between
E. more uniform torque, light cylinder and saving in work

A. inlet losses
B. impeller channel losses
C. diffuser losses
D. all of the above
E. none of the above