Q.1
What is a steam turbine?
  • 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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