a) Machine that uses pressurised steam to extract mechanical energy
b) Machine that uses pressurised steam to extract thermal energy
c) Machine that uses pressurised steam to extract kinetic energy
d) Machine that uses pressurised steam to extract electrical energy
Q.2.
What is a gas turbine?
a) A machine that uses a combustion engine to convert liquid fuels into mechanical energy
b) A machine that uses a diesel engine to convert liquid fuels into mechanical energy
c) A machine that uses a combustion engine to convert liquid fuels into mechanical energy
d) A machine that uses a combustion engine to convert liquid fuels into electrical energy
Q.3.
Which of the following is a type of turbine classified based on the fuel that supplies the driving force?
a) Steam Turbine
b) Gas Turbine
c) Wind Turbine
d) All of the mentioned
Q.4.
What is rotor steam turbine?
a) Spinning component with wheels
b) Spinning component with wheels and blades disconnected
c) Spinning component with wheels and blades connected
d) Spinning component with blades
Q.5.
Why casing is used in turbine?
a) Forms the outside wall of the main flow duct to remain concentric
b) Forms the inside wall of the main flow duct to remain concentric
c) Forms the outside wall of the main flow duct to not remain concentric
d) None of the mentioned
Q.6.
Which of the following can also be called as Non Condensing steam turbine?
a) Back pressure steam turbine
b) Impulse steam turbine
c) Extraction steam turbine
d) None of the mentioned
Q.7.
Steam turbine is classified on basis of __________
a) type of Steam flow
b) type of blades
c) exhausting condition
d) all of the mentioned
Q.8.
In which of the following Cross compound steam turbines was once used?
a) marine ships
b) automobiles
c) generation of electricity
d) none of the mentioned
Q.9.
Pankaj watches a jet in the air with a long trail of exhaust gas at its rear. What type of engine do they run on?
a) Jet Propulsion Gas Turbine
b) Prop Jet
c) Steam turbine
d) Back Pressure Gas Turbine
Q.10.
_______ of electricity in United States is produced using steam turbine.
a) 88%
b) 56%
c) 78%
d) 35%
Q.11.
In order to generate energy in Sahara Desert where water is available in significantly low amount. Which of the following system can we employ in such a place?
a) Gas Turbine
b) Tidal Engine
c) Steam Turbine
d) Gas & Steam Engine
Q.12.
Gas and Steam turbine combined power plant produces more electricity than traditional power plants by how much percent?
a) 56
b) 94
c) 50
d) The given statement is false
Q.13.
Due to the limits, upper efficiency of steam turbines is fixed to _________
a) 5-10%
b) 15-30%
c) 40-50%
d) 35-45%
Q.14.
________ takes place due to thermal stresses in the steam turbine cylinder.
a) Depends
b) Expansion
c) Compression
d) None of the mentioned
Q.15.
High power density is the advantage obtained from _______
a) steam Turbines
b) cryogenic Gas turbines
c) solar Gas turbines
d) none of the mentioned
Q.16.
Gas turbine is also called as which of the following?
a) Steam turbine
b) Combustion turbine
c) Velocity turbine
d) None of the mentioned
Q.17.
Superficial steam turbines releases _______ CO2.
a) low
b) does not release
c) high
d) none of the mentioned
Q.18.
Steam turbines work on __________
a) Dual cycle
b) Rankine cycle
c) Otto cycle
d) None of the mentioned
Q.19.
What is the use of reheat cycle in steam turbines?
a) To increase steam pressure
b) To remove the moisture from the steam
c) To increase the steam temperature
d) None of the mentioned
Q.20.
Thickness of the cylinder wall must be ________ in steam turbines.
a) decreasing
b) constant
c) increased
d) none of the mentioned
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