Diesel engine can work on very lean air fuel ratio of the order of 30: 1. A petrol engine can also work on such a lean ratio provided Flywheel size is proper It is properly designed Best quality fuel is used Cannot work as it is impossible TRUE ANSWER : ? YOUR ANSWER : ?
The knock in diesel engine occurs due to Instantaneous and rapid burning of the first part of the charge Instantaneous auto ignition of last part of charge Delayed burning of the first part of the charge Reduction of delay period TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following statement is correct regarding normal cetane? It is a standard fuel used for knock rating of diesel engines It has long carbon chain structure Its chemical name is normal hexadecane All of these TRUE ANSWER : ? YOUR ANSWER : ?
The inlet value of a four stroke cycle I.C engine remains open for nearly 235° 125° 200° 180° TRUE ANSWER : ? YOUR ANSWER : ?
In the opposed piston diesel engine, the combustion chamber is located There is no such criterion Below the piston Between the pistons Above the piston TRUE ANSWER : ? YOUR ANSWER : ?
The theoretically correct air fuel ratio for petrol engine is of the order of 0.50069444444444 0.62569444444444 0.25069444444444 0.37569444444444 TRUE ANSWER : ? YOUR ANSWER : ?
The reflectivity depends upon Geometry of the reflector All of these Properties of the reflector Energy of neutrons TRUE ANSWER : ? YOUR ANSWER : ?
The octane number of petrol, generally available, is 40 to 60 20 to 40 80 to 100 60 to 80 TRUE ANSWER : ? YOUR ANSWER : ?