Carburising, or case hardening, is now largely out of favour, although it has been favoured in the...
Author - Anand Gautam
Troubleshooting
What are the causes of cylinder head cracking?
What checks should be performed on liner of auxiliary engine...
Liner must be inspected thoroughly after its removal to determine the service condition of the...
What is the function of Spring air?
Draw the valve timing diagram of 4 Stroke naturally aspirated...
Differences of the timing of the air inlet and exhaust valves differ between naturally aspirated...
What do you understand by the term slippage in Crankshaft?
Crankshaft slippage:- When a crankshaft is built up by shrink fitting, reference marks are made to...
What do you mean by Swelling of Journal?
Fillet is added to some points on the crankshaft to avoid sharp edges or stress concentration at a...
Previous Years MMD Function wise Questions
Function 3 Function 4 Function 5 Function 6
Why it is not possible to take Power card in 4 stroke engine?
Power card is taken at firing TDC. But, in four stroke engine, piston is twice at the TDC position...
What is the function of the back pressure valve in the...
Back pressure valve is a spring loaded non-return valve. It is fitted just at the exit of the...