1. The turbine blades are
(A) Curved
(B) Straight
(C) Circular
(D) Rectangular
2. A closed cycle gas turbine consists of
(A) All of these
(B) Heating chamber
(C) Cooling chamber
(D) Compressor
3. In steam turbine working substance is used
(A) Petrol
(B) Water
(C) Steam
(D) Gas
4. In reaction turbine the steam slides over the moving blades with
(A) Kinetic energy
(B) Pressure and kinetic energy
(C) Pressure
(D) Potential energy
5. The compressed air used in turbine
(A) Steam turbine
(B) Impulse turbine
(C) Gas turbine
(D) Reaction turbine
6. The action of steam in steam turbine is
(A) Static
(B) Dynamic
(C) Static and dynamic
(D) Neither static nor dynamic
7. Two main types of steam turbines are
(A) None of these
(B) Open cycle and closed cycle turbines
(C) Gas and steam turbines
(D) Impulse and reaction turbines
8. In the impulse turbine steam expands in the
(A) Runner
(B) Nozzle
(C) Blades
(D) Casing
9. It is not a part of impulse turbine:
(A) Runner and blade
(B) Nozzle
(C) Draft tube
(D) Casing
10. It is not a part of reaction turbine:
(A) Draft tube
(B) Nozzle
(C) Guide mechanism
(D) Casing
11. De-level turbine is
(A) Neither a nor b
(B) Reaction turbine
(C) Both a and b
(D) Impulse turbine
12. Parson’s turbine is
(A) Reaction turbine
(B) Impulse turbine
(C) Both a and b
(D) Neither a nor b
13. ------------------- is used to drive air compressor in turbojet engines
(A) Steam turbine
(B) Impulse turbine
(C) Reaction turbine
(D) Gas turbine
14. A gas turbine plant works on the basis of ------------------ cycle.
(A) Rankine
(B) Diesel
(C) Otto
(D) Joule’s
15. Gas turbine is used in ----------------------?
(A) Aircraft
(B) Power plant
(C) Tanks
(D) Ships
16. A closed cycle turbine is a -------------------------- turbine.
(A) Steam turbine
(B) Impulse turbine
(C) Reaction turbine
(D) Gas turbine
17. A steam turbine works on the ------------------ cycle.
(A) Joule’s
(B) Diesel
(C) Rankine
(D) Otto
18. In gas turbines ------------- is used as working substance.
(A) CO₂
(B) Hydrogen gas
(C) Air
(D) Nitrogen gas
19. Steam jet/nozzle is used in --------------- turbine.
(A) All of these
(B) Reaction
(C) Gas
(D) Impulse
20. A ------------------ converts pressure energy of steam into kinetic energy in steam turbines.
(A) Runner
(B) Casing
(C) Blades
(D) Nozzle