Question 41 : Number of parallel exhausts required for a given steam flow rate of x is?
1. x/63.5
2. x/36.5
3. x/68.5
4. x/56.5
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Question 42 : The flow of steam is super-sonic
1. in the convergent portion of the nozzle
2. at the entrance to the nozzle
3. at the throat of the nozzle
4. in the divergent portion of the nozzle
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Question 43 : In an impulse reaction turbine, the pressure drops gradually and continuously over
1. moving blades
2. fixed blades
3. both moving & fixed blades
4. none of the mentioned
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Question 44 : The action of steam in a steam turbine is
1. neither static nor dynamic
2. dynamic
3. static
4. both dynamic & static
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Question 45 : Steam turbines are used for
1. electric power generation
2. large marine propulsion
3. direct drive of fans, compressors, pumps
4. all of the mentioned
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Question 46 : The steam enters the nozzle at a
1. low pressure and a low velocity
2. high pressure and a low velocity
3. low pressure and a high velocity
4. high pressure and a high velocity
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Question 47 : A steam turbine is basically an assemblage of?
1. nozzle & condenser
2. blades & condenser
3. nozzle & blades
4. nozzle & fans
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Question 48 : The another name for Velocity compounding is?
1. Rateau Staging
2. Curtis staging
3. Both of the mentioned
4. None of the mentioned
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Question 49 : If the critical pressure ratio for steam is 0.546, then the steam is initially
1. wet
2. dry saturated
3. superheated
4. none of the mentioned
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Question 50 : In reaction turbines, the axial thrust is due to
1. pressure drop across the rotor
2. change in axial velocity
3. both (a) and (b)
4. none of the mentioned
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