Question

The relative efficiency of an I.C. engine is the ratio of the indicated thermal efficiency to the air standard efficiency.

a.

Correct

b.

Incorrect

c.

Can't say

d.

None of these

Posted under Mechanical Engineering

Answer: (a).Correct

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. The relative efficiency of an I.C. engine is the ratio of the indicated thermal efficiency to the air standard efficiency.

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. The volumetric efficiency ofa well designed engine may be

Q. Which of the following statement is correct regarding the features of a Breeder reactor?

Q. In diesel engines, the ignition takes place due to the heat produced in the engine cylinder at the end of compression.

Q. The fuels in order of decreasing knock tendency for spark ignition engines are

Q. The ratio of the work obtained at the crankshaft in a given time to the energy supplied during the same time is called

Q. Plutonium (Pu239) is produced

Q. A petrol engine has compression ratio from

Q. Detonation is harmful due to

Q. The brake power (B.P.) of the engine is given by (where W = Brake load or dead load in newtons, l = Length of arm in metres, N = Speed of engine in r.p.m., S - Spring balance reading in newtons, D = Dia. of brake drum in metres, and d = Dia. of rope in metres)

Q. A power plant giving least running cost of production of electrical power is

Q. The thermal efficiency of petrol and gas engines is about

Q. The firing order in an I.C. engine depends upon

Q. The cetane number of diesel oil, generally available, is

Q. The object of providing masked inlet valve in the air passage of compression ignition engines is to

Q. During suction stroke of a four stroke petrol engine, the inlet valve opens and the charge is sucked into the cylinder as the piston moves upwards from the bottom dead centre.

Q. The power actually developed by the engine cylinder of an I.C. engine is known as

Q. A nuclear reactor is said to be critical when the neutron population in the reactor core is

Q. A long delay period in compression ignition engines gives a more rapid rise in pressure which causes knocking.

Q. A fission chain reaction in uranium can be developed

Q. Thermal efficiency of a two stroke cycle engine is __________ a four stroke cycle engine.

Recommended Subjects

Are you eager to expand your knowledge beyond Mechanical Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!