➤ System in Mechanical Engineering
👉 Unit 1 - Introduction of energy sources and its conversion >> MCQs
👉 Unit 2 - Introduction to Thermal Engineering >> MCQs
👉 Unit 3 - Vehicles and their Specifications >> MCQs
👉 Unit 4 - Vehicles Systems >> MCQs
👉 Unit 5 - Introduction to Manufacturing >> MCQs
👉 Unit 6 – Engineering Mechanism & their applications in domestic appliances >> MCQs
Unit 1 - Introduction of energy sources and its conversion >> MCQs
1. Hydropower is a conventional form of energy
a. True
b. false
Ans=> b
2. Which of the following is not the renewable form of energy?
a. Solar
b. Hydropower
c. Tidal
d. All of the above.
e. None of the above.
Ans=> e
3. A source of energy is known as renewable source
a. Fossil fuel
b. Nuclear
c. CNG
d. All of the above.
Ans=> b
4. Which of the following energy is converted into electricity in a hydro power plant?
a. Nuclear energy
b. Potential energy of water
c. Thermal energy
d. All of the above.
e. None of the above.
Ans=> b
5. Solar energy is preferred because it is
a. Free from pollution
b. Available in abundance
c. No fuel transportation
d. Can be converted in power
e. All of the above.
Ans=> e
6. A solar collector is a device for collecting solar radiation on a surface called absorber and transfer this energy to another fluid.
a. True
b. False
Ans=> True
7. The function of a dam / reservoir in hydro power plant is to provide high working head.
a. True
b. False
Ans=> True
8. Biogas is produced by
anaerobic decomposition of organic
waste by suitable bacteria.
a. True
b. False.
Ans=> True
9. The energy which is not derived from the sun is
a. Biomass
b. Fossil fuels
c. Nuclear energy
d. Geothermal energy.
Ans=> c
10. Bio fuels can be produced from
a. Biomass
b. Agriculture waste
c. Municipal garbage
d. All of the above.
Ans=> d
11. The function of steam nozzles is to convert the pressure energy into
a. Kinetic energy
b. Mechanical energy
c. Thermal energy
d. Power
Ans=> a
12. Steam turbine is used to produce ____ energy by expanding high pressure steam.
a. Kinetic
b. Mechanical
c. Heat
d. Power
Ans=> b
13. A generator converts the
a. Mechanical energy into electrical energy.
b. Thermal energy into
electrical energy
c. Electrical energy into mechanical energy.
d. Pressure energy into
Kinetic energy
Ans=> a
14. The control rods are used
to regulate the energy released by
absorbing.
a. Neutrons
b. Heat
c. Coolant
d. Nuclear energy
Ans=> a
15. In hydro electrical plants the .... energy of water is used to move hydraulic turbine.
a. Potential Energy
b. Kinetic energy
c. Both option a and b.
Ans=> a
16. Function of a boiler is to generate ..... on expense of heat energy supplied.
Ans=> Steam
17. Moderators in a nuclear reactor are used to reduce the speed of fast moving neutrons without ..... them.
Ans=> Absorbing
18. Dam is used to increase the storage capacity of.. ... and increase the working.. ... of the plant.
Ans=> Reservoir, Head
19. Function of surge tank is protect the .... due to sudden variations of flow of water.
Ans=> penstock
20. Hydraulic turbines are used to convert the ........energy of water into.... energy
Ans=> Kinetic, Mechanical
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