Which of the following statement is correct regarding normal cetane? Mark as favorite Copy Link It is a standard fuel used for knock rating of diesel engines Its chemical name is normal-hexadecane It has long carbon chain structure all of the above Check Answer
In a coil ignition system of petrol engines, a condenser is connected across the contact breaker in order to? Mark as favorite Copy Link prevent sparking across the gap between the points cause more rapid break of the primary current, giving a higher voltage in the circuit both (a) and (b) none of the above Check Answer
The power actually developed by the engine cylinder of an I.C. engine is known as? Mark as favorite Copy Link theoretical power actual power indicated power none of these Check Answer
The fuels in order of decreasing knock tendency for spark ignition engines are? Mark as favorite Copy Link paraffins, aromatics, napthenes paraffins, napthenes, aromatics napthenes, aromatics, paraffins napthenes, paraffins, aromatics Check Answer
The brake power of a diesel engine, keeping other parameters constant, can be increased? Mark as favorite Copy Link decreasing the density of intake air increasing the temperature of intake air increasing the pressure of intake air decreasing the pressure of intake air Check Answer
The ignition of the charge by some hot surface within the engine before the passage of spark is called? Mark as favorite Copy Link pre-ignition detonation ignition delay auto-ignition Check Answer
Which of the following fuel detonates readily? Mark as favorite Copy Link Benzene Iso-octane Normal heptane Alcohol Check Answer
A diesel engine has compression ratio from? Mark as favorite Copy Link 6 to 10 10 to 15 15 to 25 25 to 40 Check Answer
The correct sequence of the decreasing order of brake thermal efficiency of the three given basic types of engines is? Mark as favorite Copy Link four stroke C.I. engine, four stroke S.L. engine, two stroke S.I. engine four stroke S.I. engine, four stroke C.I. engine, two stroke S.I. engine four stroke C.I. engine, two stroke S.I. engine, four stroke S.I. engine two stroke S.l. engine, four stroke S.I. engine, four stroke C.I. engine Check Answer
In order to eliminate knocking in compression ignition engines, there should be? Mark as favorite Copy Link short delay period late auto-ignition low compression ratio high self ignition temperature of fuel Check Answer