Steam Boilers, Engines, Nozzles and Turbines

A. diverge from left to right
B. diverge from right to left
C. are equally spaced throughout
D. first rise up and then fall
E. none of the above

A. 78-81%
B. 81-85%
C. 85-90%
D. 90-95%
E. 95-100%.

A. boil
B. flash i.e. get converted into steam
C. remain as it was
D. cool down
E. none of the above

A. steam temperature remaisn constant
B. steam pressure remains constant
C. steam enthalpy remains constant
D. steam entropy remains constant
E. steam volume remains constant

A. below atmospheric pressure
B. 1 kg/cm2
C. 100 kg/cm2
D. 170 kg/cm2
E. 225.6 kg/cm2

A. remains same
B. increases
C. decreases
D. behaves unpredictably
E. none of the above

A. 0.1 kg/cm2
B. 1 kg/cm2
C. 100 kg/cm2
D. 225.6 kg/cm2
E. it is never possible

A. remains constant
B. increases
C. decreases
D. behaves unpredictably
E. none of the above

A. essentially an isentropic process
B. non-heat transfer process
C. reversible process
D. constant temperature process
E. constant enthalpy process

A. latent heat is zero
B. liquid directly becomes steam
C. specific volume of steam and liquid is same
D. this is the maximum pressure limit
E. all properties of liquid and steam are same