A. Pressure ratio
B. Maximum cycle temperature
C. Minimum cycle temperature
D. All of the above
A. Stainless steel
B. High alloy’ steel
C. Duralumin
D. Timken, haste and inconel allpys
A. More
B. Less
C. Same
D. Depends on other factors
A. Increases
B. Decreases
C. Remains same
D. First increases and then decreases
A. It is inefficient
B. It is bulky
C. It requires cooling water for its operation
D. Non of theses
A. Pressure ratio alone
B. Maximum cycle temperature alone
C. Minimum cycle temperature alone
D. Both pressure ratio and maximum cycle temperature
A. Carbonisation of coal
B. Passing steam over incandescent coke
C. Passing air and a large amount of steam over waste coal at about 65°c
D. Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast
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.
A. Adiabatic temperature drop in the stage
B. Total temperature drop
C. Total temperature drop in the stage
D. Total adiabaitc temperature drop