1.Function of Turbocharger,Brake system. 2.Automatic transmission system function and working principle. 3.Types of undercarriages 4.Preventive maintenance 5.Common Rail system and functions 6.what is Hydraulic lock system 7.In Excavator Trouble shoot like Hydraulic pump,Swing motor /Pump,Final drive. 8.Oil Refiling capacity 9.Target /Cost Management for effective production to the company.

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Interview questions for Maintenance Manager position covering topics such as turbochargers, brake systems, automatic transmissions, undercarriages, preventive maintenance, common rail systems, hydraulic lock systems, excavator troubleshooting, oil refilling capacity, and target/cost management.

Turbocharger increases engine power by compressing air intake
Brake system converts kinetic energy to heat to slow or stop a vehicle
Automatic transmission system uses a torque converter and planetary gearset to shift gears automatically
Undercarriages include wheeled, tracked, and skid steer types
Preventive maintenance involves regularly scheduled inspections and repairs to prevent breakdowns
Common Rail system is a fuel injection system that uses a high-pressure rail to deliver fuel to the engine
Hydraulic lock system prevents fluid from flowing in the wrong direction in a hydraulic system
Excavator troubleshooting involves diagnosing and repairing issues with hydraulic pumps, swing motors/pumps, and final drives
Oil refilling capacity varies depending on the vehicle or equipment
Target/cost management involves setting goals and managing expenses to maximize production and profitability

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