Cummins Maintenance Engineer Trainee Interview Questions and Answers

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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Q1. Mechanical Seal Leakage how to say primary Seal Or Secondary seal Problem
Ans. 
Identifying primary or secondary seal problem in case of mechanical seal leakage.
• Check the location of the leakage to determine if it's the primary or secondary seal

• Primary seal leakage occurs on the product side while secondary seal leakage occurs on the atmospheric side

• Inspect the seal faces for wear and damage to identify the root cause of the leakage

• Check the seal flush and quench connections for blockages or impro...read more
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Numericals related questions

Regarding alternators and generators

Q1. About back ground
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Q1. About family background
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Q1. About yourself, family background.
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Q2. Past experience, current job clarification
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Q1. About Boilers / heat pump and check points ?
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Q2. If gas pressure is low what are the possibility and what is the corrective actions taken by you ?
Ans. 
Low gas pressure can lead to various issues like inefficient operation or equipment failure. Corrective actions include checking for leaks, adjusting regulators, and ensuring proper ventilation.
• Check for leaks in the gas system

• Adjust regulators to increase gas pressure

• Ensure proper ventilation for gas combustion

• Inspect gas supply lines for blockages or restrictions

• Verify that gas appliances are functioning properly
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Q1. Total experience and current total ctc ?
Ans. 
I have 5 years of experience in the field and my current total CTC is $60,000.
• 5 years of experience in service engineering

• Current total CTC is $60,000

• Experience includes troubleshooting, maintenance, and repair of equipment
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Q1. Family inquiry or other
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Q2. Education baground
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Q1. Experience based Questions
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Q2. Plc and vfd or electrical system
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Q1. Have a job for me
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Q2. Have job for me in this year
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Q1. What kind of for me
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Q2. Where is your head office
Ans. 
Our head office is located in downtown New York City.
• Head office is in downtown New York City

• Easily accessible by public transportation

• Close to major landmarks and attractions
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