Question 61 : The overall steam turbine generator arrangement of a power plant is designated as ________ compound on the basis of shaft orientation.
1. tandem
2. cross
3. both of the mentioned
4. none of the mentioned
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Question 62 : There are mainly _______ types of turbines?
1. 2
2. 3
3. 4
4. 5
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Question 63 : Spray ponds are used to cool the warm water coming from the condenser in ________
1. Large power plants
2. Small power plants
3. Medium power plants
4. Both medium and large power plants
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Question 64 : A steam turbine converts the output from a steam generator into?
1. Shaft work
2. Turbine work
3. Mechanical work
4. None of the mentioned
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Question 65 : In a reaction turbine, when steam flows through the fixed blades,
1. pressure decreases while velocity increases
2. pressure increases while velocity decreases
3. pressure and velocity both increases
4. pressure and velocity both decreases
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Question 66 : The difference of supersaturated temperature and saturation temperature at that pressure is called
1. degree of super saturation
2. degree of superheat
3. degree of undercooling
4. none of the mentioned
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Question 67 : Which of the following is used in high pressure impulses stages of steam turbine?
1. Reamed Nozzles
2. Foil Nozzles
3. Both the above mentioned
4. None of the mentioned
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Question 68 : The ratio of the isentropic heat drop to the heat supplied, is called
1. stage efficiency
2. reheat factor
3. internal efficiency
4. rankine efficiency
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Question 69 : The variation of steam pressure in the nozzle depends upon
1. dryness fraction of steam
2. specific volume of steam
3. velocity of steam
4. all the mentioned
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Question 70 : A steam nozzle converts
1. heat energy of steam into kinetic energy
2. kinetic energy of steam into heat energy
3. potential energy into heat energy
4. none of the mentioned
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