- What is Tappet clearance? How to take tappet clearance?
- What will happen if Tappet clearance is less or more?
- How to know which unit piston is at TDC?
- Why concentric springs fitted for aux engine cylinder head?
- What is the material of inlet and exhaust valves, piston, liner, piston rings, bedplate, A-frame, tie rod, crankshaft, cylinder head, turbocharger?
- Explain lubrication of different parts (rocker arm, main bearings, camshaft drive, governor drive, rocker arm, camshaft) in 4 stroke.
- What is the function of roto cap or valve rotator and working of it? What are the disturbances which may occur with roto cap ?
- Explain exhaust valve working of your main engine with diagram. Explain terminologies related to exhaust valve system and use of all components of exhaust valve system.
- What is the function of Spring air?
- Explain the function and working of puncture valve.
- What all clearances need to be checked during the main engine exhaust valve overhaul?
- What are the Stresses Working on main engine during its operation?
- What is the function of Top bracing?
- What are the causes of fatigue failure?
- What is the function of chock? Why resin chocks preferred?
- What is tie rod and its function? Why pinching screws are provided? How bending moment of tie rods are reduced?
- How will you come to know if there is breakage in tie rod? What may be the reasons of its breakage?
- What is the purpose of holding down bolts?