Question 11 : What is the maximum content of moisture allowed at the turbine exhaust in the steam power plant?
1. 50 %
2. 60 %
3. 30 %
4. 15 %
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Question 12 : The maximum steam temperature in a power cycle in degree centigrade is?
1. 600
2. 500
3. 300
4. 100
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Question 13 : The total loss in a tertiary cycle is?
1. sum of losses in the individual cycles
2. product of losses in the individual cycles
3. sum of products of individual losses
4. none of the mentioned
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Question 14 : How can we differentiate Rankine cycle from Carnot cycle?
1. Heat addition process of Rankine cycle is reversible isothermal whereas heat addition process of Carnot cycle is reversible isobaric
2. Heat addition process of Rankine cycle is reversible isobaric whereas heat addition process of Carnot cycle is reversible isothermal
3. Heat addition process of Rankine cycle is reversible isentropic whereas heat addition process of Carnot cycle is reversible isothermal
4. Both cycles are identical except the working fluid used
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Question 15 : Rankine cycle operating on low pressure limit of p1 and high pressure limit of p2
1. has higher thermal efficiency than the Carnot cycle operating between same pressure limits
2. has lower thermal efficiency than Carnot cycle operating between same pressure limits
3. has same thermal efficiency as Carnot cycle operating between same pressure limits
4. may be more or less depending upon the magnitudes of p1 and p2
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Question 16 : The addition of sulphur dioxide in a tertiary cycle is at?
1. high temperature
2. low temperature
3. too high temperature
4. none of the mentioned
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Question 17 : Which of the following is not a type of Combined Plant?
1. Sodium- mercury-Potassium plant
2. Gas turbine-Steam turbine plant
3. Thermionic steam plant
4. Thermoelectric steam plant
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Question 18 : What part or % of power developed is utilised for driving the compressor?
1. 65 %
2. 70 %
3. 55 %
4. 80 %
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Question 19 : Which of the following is (are) used as starter for a gas turbine
1. An Internal combustion engine
2. A steam turbine
3. An auxiliary electric motor
4. All of the mentioned
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Question 20 : The compressor has to be started
1. Before starting the gas turbine
2. After starting the gas turbine
3. Simultaneously with starting of gas turbine
4. At any time during the operation
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