Question 1 : The impulse reaction turbine has its driving force
1. partly as an impulsive force and partly as a reaction force
2. as an impulsive force
3. as a reaction force
4. none of the mentioned
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Question 2 : The process of draining steam from the turbine, at certain points during its expansion and using this steam for heating the feed water in feed water heaters and then supplying it to the boiler is known as
1. regenerative heating
2. reheating of steam
3. bleeding
4. none of the mentioned
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Question 3 : Rateau staging is another name for?
1. Pressure compounding
2. Velocity compounding
3. Both the above mentioned
4. None of the mentioned
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Question 4 : A condenser condenses the steam coming out from?
1. Boiler
2. Turbine
3. Economiser
4. Super heater
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Question 5 : The ratio of the work done on the blades per kg of steam to the total energy supplied per stage per kg of steam is called
1. nozzle efficiency
2. stage efficiency
3. mechanical efficiency
4. blading efficiency
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Question 6 : The flow through a nozzle is regarded as
1. isothermal flow
2. isobaric flow
3. isochoric flow
4. isentropic flow
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Question 7 : Multi-stage steam turbines are of the
1. reaction type
2. velocity compounded type
3. pressure compounded type
4. all the mentioned
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Question 8 : In a reaction turbine when the degree of reaction is zero, then there is
1. no heat drop in moving blades
2. maximum heat drop in fixed blades
3. no heat drop in fixed blades
4. maximum heat drop in moving blades
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Question 9 : There are basically ______ Ways of compounding steam turbines.
1. 2
2. 3
3. 4
4. 5
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Question 10 : The ratio of the useful heat drop to the isentropic heat drop is called
1. condenser efficiency
2. nozzle efficiency
3. vacuum efficiency
4. boiler efficiency
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