Generation of Electric Power
10. For low head and high discharge the hydraulic turbine used is A. Kaplan turbine B.Francis turbine C. Pelton turbine D.Jonval turbine
A.
Heating value of coal largely depends on A. Ash content B. Moisture content C. Volatile matter D. Size of coal particle
A.
Overall thermal efficiency the steam power station is in the range C. 44 to 62 % D. 68 to 79 % A. 18 to 24 % B. 30 to 40 %
A.
Power plant using coal work closely of the following cycle A. Rankine cycle B. Binary vapor cycle C. Otto cycle D. Brayton cycle
A.
Torque Air standard efficiency of a diesel engine depends on A. Compression ratio B. Speed C. Fuel D. Torque
A.
Which of the following is not a secondary nuclear fuel ? A. U 235 B. U - 233 C. Plutonium D. P 239
A.
16. Gas turbine works on A. Carnot cycle B. Brayton cycle C. Dual cycle D. Rankine cycle
B.
17. Compressor used in gas turbine is A. Screw compressor B. Multi stage axial flow compressor C. Plunger type compressor D. Reciprocating compressor
B.
Heavy water is A. H₂O B. D₂O C. W₂0 D. B₂0
B.
Internal combustion engine never works on A. Diesel cycle B. Rankine cycle C. Otto cycle D. Dual combustion cycle
B.
Nuclear reactor generally employ A. Fussion B. Fission C. Both fusion and fission D. None of the above
B.
The efficiency of the thermal power plan improves with A. Increased quality of coal burned B. Use of high steam pressure C. Lower load the plant D.Larger quantity of water used
B.
The function of a moderator in nuclear is A. To accelerate the reaction B. To control the reaction C. To absorb excessive neutrons D. To liberate excessive neutrons
B.
Which of the following is not a high pressure boiler ? Which of the following is not a high pressure boiler ? A.Loeffler boiler B. Lancashire boiler C.Velox boiler D.La - mont boiler
B.
18. Overall efficiency of gas turbine is A. Equal to the carnot cycle efficiency B. Equal to the rankine cycle efficiency C. Less than the diesel cycle efficiency D. More than the otto cycle efficiency
C.
In a steam turbine cycle , the lowest pressure occurs in A. Turbine outlet B. Boiler C. Condenser D. Superheater
C.
Out of the following which one is not unconventional source of energy ? A.Tidal power B. Nuclear power C. Geothermal power D. Wind energy
C.
Which of the following methods of generating electric power from the sea water is more advantageous ? A. Water power B. Ocean power C. Tidal power D. None of these
C.
which of the following generating station has the maximum running cost ? A. Thermal power station B. Nuclear power station C. Hydro power station D. None of these
C.
A Francis turbine A. Outward flow impulse turbine B. Outward flow reaction turbine C. Inward flow impulse turbine D. Inward flow reaction turbine
D.
A pelton wheel is A. Axial flow impulse turbine B. Inward flow reaction turbine C. Outward flow impulse turbine D.Inward flow impulse turbine
D.
A. Always operates submerged B. Makes use of a draft tube C. Is most suited for low head installation D. Operates by initial complete conversion to kinetic energy
D.
High horse power diesel engine are started by A. Self - starter B. Cranking C. Battery D. Compressor air
D.
Kaplan turbine is A. A high head mixed flow turbine B. An impulse turbine , inward flow type C. A reaction turbine outward flow type D. Low head axial flow type
D.
Outward radial flow turbines A. Are impulse turbine B. Are reaction turbines C. Are partly impulse partly reaction turbines D. May be impulse or reaction turbines
D.
Which engine has the highest air fuel ratio ? A. Petrol engine B. Gas engine C. Diesel engine D. Gas turbine
D.
Which of the following is non petroleum fuel ? A. Benzol B. Methyl alcohol C. Ethyl alcohol D. All of the above
D.