Category: Compressors, Gas Turbines and Jet Engines

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. radial flow
B. axial flow
C. centrifugal
D. combination of above
E. none of the above

A. Brayton or Atkinson cycle
B. Carnot cycle
C. Rankine cycle
D. Erricsson cycle
E. Joule cycle

A. increase
B. decrease
C. remain unaffected
D. may increase/decrease depending on compressor clearance
E. none of the above

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

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. higher at ground
B. higher at high altitudes
C. same at all altitudes
D. higher at high speed
E. lower at low speed

A. high calorific value
B. ease of atomisation
C. low freezing point
D. A. and C. above
E. none of the above

A. toughness
B. fatigue
C. creep
D. corrosion resistance
E. bulk modulus

A. centrifugal pump
B. reciprocating pump
C. turbine
D. sliding vane compressor
E. none of the above