This set of IC Engine online quiz focuses on “Terminologies and Definitions”.
1. Crankcase explosion in I.C. engine usually occurs as __________
a) first a mild explosion followed by a big explosion
b) first a big explosion followed by a mild explosion
c) both mild and big explosions occur simultaneously
d) never occurs
2. The ____________ volume created in the cylinder during the operation of the engine is filled with the working fluid.
c) any one of the mentioned
d) none of the mentioned
3. ____________ forms the first link in transmitting the gas forces to the output shaft.
c) Combustion chamber
d) Exhaust manifold
Explanation: Piston fits perfectly into the cylinder providing a gas-tight space with the piston rings and the lubricant and forms the first link in transmitting the gas forces to the output shaft.
4. What is the function of a fuel pump in a petrol pump?
a) inject fuel in cylinder
b) supply fuel when carburetor fails
c) pump fuel so that it reaches carburettor
d) improve thermal efficiency
5. If overhead clearance is less, then which of the following type of engine should be selected?
b) In-line type
6. Which is the false statement about the advantages of V-type engine?
a) compact design requiring lesser space
b) improved distribution of air to cylinder
c) casting less liable to distortion
d) less overhead clearance
Explanation: In horizontal type engine, less overhead clearance is found.
7. The pistons are usually given a coating such as tin plating in order to __________
a) reduce weight
b) conduct heat efficiently
c) reduce the possibility of scoring
d) reduce friction
Explanation: Pistons are provided with tin coating to reduce scoring.
8. Piston rings are usually made of __________
a) cast iron
c) carbon steel
d) phosphor bronze
9. Piston rings are plated with chromium, cadmium or phosphate in order to __________
a) reduce cost
b) improve surface finish
c) prevent clogging
d) reduce wear and eliminate scuffing
Explanation: Piston rings are plated to reduce wear and eliminate scuffing.
10. The top piston ring nearer to the piston crown is known as __________
a) compression ring
b) oil ring
c) scrapper ring
d) groove ring
Sanfoundry Global Education & Learning Series – IC Engine.
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