Q.1
The thermal efficiency of the cycle is
  • a) Q2 / Wnet
  • b) Wnet / Q2
  • c) Wnet / Q1
  • d) Q1 / Wnet
Q.2
Which of the following losses occur in a cycle?
  • a) piping losses
  • b) pump losses
  • c) turbine losses
  • d) all of the mentioned
Q.3
The important piping losses include
  • a) pressure drop due to friction
  • b) heat loss to surroundings
  • c) both of the mentioned
  • d) none of the mentioned
Q.4
The heat transfer and the pressure drop reduces the availability of steam.
  • a) true
  • b) false
Q.5
The losses in boiler include
  • a) pressure drop from pump to boiler
  • b) pressure drop in boiler
  • c) both of the mentioned
  • d) none of the mentioned
Q.6
The main losses in turbine include
  • a) heat loss to surroundings
  • b) friction losses
  • c) both of the mentioned
  • d) none of the mentioned
Q.7
Heat loss from turbine is generally neglected.
  • a) true
  • b) false
Q.8
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
Q.9
The losses in condenser are ____
  • a) small
  • b) large
  • c) always constant
  • d) none of the mentioned
Q.10
The condenser losses include
  • a) loss of pressure
  • b) cooling of condensate below saturation temperature
  • c) both of the mentioned
  • d) none of the mentioned
Q.11
The efficiency of Carnot cycle is ____ the efficiency of Rankine cycle.
  • a) less than
  • b) greater than
  • c) equal to
  • d) none of the mentioned
Q.12
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
Q.13
The Carnot cycle cannot be realized in practice.
  • a) true
  • b) false
0 h : 0 m : 1 s