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Engineering :: Energy Conversion

151.  For low head and high discharge the hydraulic turbine preferred is
A. Kaplan turbine B. Pelton wheel
C. Francis turbine D. Jonval turbine
E. Fourneyron turbine    
152.  In pumped storage plant
A. Power is produced by pumps B. Water is stored by pumping to high pressures
C. Pressure accumulators are used D. Water is recirculated through turbines
E. Downstream water is pumped upstream during off-load periods    
153.  A graphical representation of discharge and time is known as
A. Load curve B. Load duration curve
C. Monograph D. Hectograph
E. Hydrograph    
154.  In a hydroelectric plant a conduit-system for taking water from the intake work to the turbine is known as
A. Dam B. Surge tank
C. Penstock D. Reservoir
E. Flume    
155.  Which of the following place is not associated with hydro-electric power plants?
A. Koyana B. Nagarjunsagar
C. Singrauli D. Farakka
E. Bhakra    
156.  Nagarjunsagar dam has been constructed on river
A. Kali B. Krishna
C. Charnbal D. Mahanadi
E. Kaveri    
157.  Particles having the same atomic number but different mass unmbers are called
A. Positrons B. Beta particles
C. Isotopes D. Ions
E. Decayed particles    
158.  Heavy water is used in a nuclear power plant as a
A. Fuel B. Coolant
C. Reflector D. Moderator
E. Shield    
159.  A gas turbine works on
A. Carnot cycle B. Brayton cycle
C. Dual cycle D. Rankine cycle
E. Regenerative cycle    
160.  The compressor used in gas turbine is usually
A. Single stage reciprocating compressor B. Multistage reciprocating compressor
C. Screw compressor D. Lobe type compressor
E. Multistage axial flow compressor    

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