Maruti Placement Services Maintenance Engineer Interview Questions, Process, and Tips

Q1. Vehicle maintenance
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Q2. Team supervisor
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Q1. All brake overhaul
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Q2. Suspension related
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Q3. Vehicle safety ,road safety, drive time safety
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Q1. HR is asking about your before company
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Q2. How to discuss about your before company?
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How many types of mould?? What is injection molding

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Q1. List count of vernier caliper?
Ans. 
The count of vernier calipers varies depending on the specific requirements and usage.
• The count of vernier calipers can range from one to multiple units depending on the size of the facility and the number of maintenance tasks.

• In a small maintenance department, there might be only one vernier caliper available for general use.

• In larger facilities or industries with multiple maintenance teams, there could be several ver...read more
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Q2. Hardness of P20 material?
Ans. 
P20 material has a hardness range of 28-32 HRC.
• P20 is a low-alloy tool steel commonly used for plastic injection molds.

• The hardness of P20 can be affected by the heat treatment process.

• The ideal hardness range for P20 is 28-32 HRC for optimal performance.

• Hardness testing can be done using various methods such as Rockwell or Brinell.

• Maintaining proper hardness is important for the longevity and effectiveness of P20 mold
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Q3. Hardness of P20 material is 46 to 48 Hrc
Ans. 
P20 material has a hardness of 46 to 48 Hrc.
• P20 is a low-alloy tool steel commonly used for plastic injection molds and die casting dies.

• Hrc stands for Rockwell hardness scale, which measures the hardness of a material.

• A hardness of 46 to 48 Hrc is considered relatively high for a steel material.
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Q4. List count of micrometer?
Ans. 
There are various types of micrometers used in maintenance engineering.
• There are outside micrometers used to measure external dimensions of objects.

• Inside micrometers are used to measure internal dimensions of objects.

• Depth micrometers are used to measure the depth of holes or slots.

• Thread micrometers are used to measure the pitch diameter of screw threads.

• There are also digital micrometers available for more precise m
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