1. The efficiency of Carnot cycle is the efficiency of Rankine cycle. a. less than c. greater than b. equal to d. less than or greater than 2. Work output of turbine is the work input to the pump a. less than b. greater than c. equal to d. less than or greater than 3. The path followed in a vapor power cycle is a. boiler-condenser-turbine-pump b. boiler-turbine condenser-pump c. boiler-pump-turbine-condenser d. boiler-pump-turbine - condenser 4. For a fluid undergoing cycle process, a. there is no net change in its internal energy b. energy transfer as heat is equal to the energy transfer as work c. both of the mentioned d. none of the mentioned 5. Heat loss from turbine is generally neglected. a. True b. False 6. The only process which is different in Carnot and Rankine cycle is a. compression in pump b. expansion in turbine c. heat rejection process d. heat addition process

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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1. The efficiency of Carnot cycle is the efficiency of Rankine cycle.
a. less than
b. equal to
c. greater than
d. less than or greater than
2. Work output of turbine is the work input to the pump
a. less than
c. equal to
b. greater than
d. less than or greater than
3. The path followed in a vapor power cycle is
a. boiler-condenser - turbine - pump
b. boiler-turbine-condenser-pump
c. boiler-pump - turbine - condenser
d. boiler-pump - turbine - condenser
4. For a fluid undergoing cycle process,
a. there is no net change in its internal energy
b. energy transfer as heat is equal to the energy transfer as work
c. both of the mentioned
d. none of the mentioned
5. Heat loss from turbine is generally neglected.
a.
True
b. False
6. The only process which is different in Carnot and Rankine cycle is
c. heat rejection process
a. compression in pump
b. expansion in turbine
d. heat addition process
7. The losses in pump is due to
a. heat loss to surroundings
b. irreversibilities associated with fluid friction
c.
both of the mentioned
d. none of the mentioned
8. For a Rankine cycle, which of the following is true?
a. a reversible constant pressure heating process happens in steam boiler
b. reversible adiabatic expansion of steam in turbine
c. reversible constant pressure heat rejection in condenser
d. all of the mentioned
9. Heat rate is given by (in kJ/kWh)
a. cycle efficiency
b. 3600 / cycle efficiency
11. Work output of turbine is
a. less than
b. greater than
c. cycle efficiency/3600
10. 11. What does a nozzle do?
a. decreases the velocity of a fluid at the cost of its pressure gain
b. increases the velocity at the cost of its pressure drop
c. increases the velocity of a fluid and its pressure
d. none of the mentioned
d. cycle efficiency * 3600
the work input to the pump
c. equal to
d. less than or greater than
Transcribed Image Text:1. The efficiency of Carnot cycle is the efficiency of Rankine cycle. a. less than b. equal to c. greater than d. less than or greater than 2. Work output of turbine is the work input to the pump a. less than c. equal to b. greater than d. less than or greater than 3. The path followed in a vapor power cycle is a. boiler-condenser - turbine - pump b. boiler-turbine-condenser-pump c. boiler-pump - turbine - condenser d. boiler-pump - turbine - condenser 4. For a fluid undergoing cycle process, a. there is no net change in its internal energy b. energy transfer as heat is equal to the energy transfer as work c. both of the mentioned d. none of the mentioned 5. Heat loss from turbine is generally neglected. a. True b. False 6. The only process which is different in Carnot and Rankine cycle is c. heat rejection process a. compression in pump b. expansion in turbine d. heat addition process 7. The losses in pump is due to a. heat loss to surroundings b. irreversibilities associated with fluid friction c. both of the mentioned d. none of the mentioned 8. For a Rankine cycle, which of the following is true? a. a reversible constant pressure heating process happens in steam boiler b. reversible adiabatic expansion of steam in turbine c. reversible constant pressure heat rejection in condenser d. all of the mentioned 9. Heat rate is given by (in kJ/kWh) a. cycle efficiency b. 3600 / cycle efficiency 11. Work output of turbine is a. less than b. greater than c. cycle efficiency/3600 10. 11. What does a nozzle do? a. decreases the velocity of a fluid at the cost of its pressure gain b. increases the velocity at the cost of its pressure drop c. increases the velocity of a fluid and its pressure d. none of the mentioned d. cycle efficiency * 3600 the work input to the pump c. equal to d. less than or greater than
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