Thriveni Earthmovers Service Engineer Interview Questions and Answers for Experienced

Q1. Why servo motor is used in vmc...??? And why other motor is not used in vmc....???
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Q2. What is the procedure of maintenance...??
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Q3. What was the lead screw angle...???
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Q4. What type of thread used in lead screw...????
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Q1. What r the axis of vmc machine.....???
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Q2. Why lubrication oil is used for...and what r the uses of lubrication oil....???
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Q1. What is IC Engine work ?
Ans. 
IC Engine work refers to the process of converting chemical energy into mechanical energy in an internal combustion engine.
• IC Engine work involves the combustion of fuel inside the engine to produce power.

• The process includes four strokes: intake, compression, combustion, and exhaust.

• The work is performed by pistons, connecting rods, crankshafts, and valves.

• Examples of IC engines include gasoline engines, diesel engine
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Q2. How many types of fuel system in IC Engine?
Ans. 
There are two types of fuel systems in IC engines: carburetor and fuel injection.
• Carburetor fuel system mixes fuel and air before entering the engine.

• Fuel injection system directly injects fuel into the combustion chamber.

• Examples of carburetor fuel systems include older cars and motorcycles.

• Examples of fuel injection systems include modern cars and motorcycles.
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Q1. Swing operation not working in excavator, describe trouble shooting
Ans. 
Check hydraulic fluid levels, inspect swing motor, test swing motor solenoid, check for electrical issues
• Check hydraulic fluid levels to ensure there is enough fluid for proper operation

• Inspect the swing motor for any signs of damage or wear that may be causing the issue

• Test the swing motor solenoid to see if it is functioning correctly

• Check for any electrical issues that may be affecting the operation of the swing mec
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Q2. Fuel consumption high issue. Resolve method.
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Q3. Machine marching slow. Rectify
Ans. 
Check for any clogs in the machine, ensure proper lubrication, and adjust machine settings if necessary.
• Check for any clogs or blockages in the machine that may be causing it to run slow

• Ensure that the machine is properly lubricated to reduce friction and improve efficiency

• Adjust machine settings such as speed, feed rate, or pressure as needed to optimize performance
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