Durovalves India Maintenance Engineer Interview Questions and Answers for Experienced

Q1. Protocol relatedsuch as
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Q2. Can protocol framing
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Q3. Uds services and nrc code
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Q4. Python with automation
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Q5. Dspace, vt, aspice, xcp with automation
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Q1. Explain function pointers in c?
Ans. 
Function pointers in C are pointers that point to functions instead of data.
• Function pointers are used to pass functions as arguments to other functions.

• They can be used to implement callbacks and event handlers.

• Syntax: return_type (*ptr_name)(parameters);

• Example: int (*funcPtr)(int, int);
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Q2. Explain DCM module from BSW?
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DCM module in BSW is responsible for managing diagnostic communication between the vehicle and external diagnostic tools.
• DCM stands for Diagnostic Communication Manager

• It handles communication protocols such as UDS, KWP2000, and OBD

• DCM manages diagnostic sessions, communication parameters, and diagnostic trouble codes

• It provides APIs for diagnostic services like reading and clearing DTCs

• Example: DCM module in BSW facil...read more
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Q1. Basic information of condidate
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Q2. Job discription of machine
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Q1. Programming of cnc vmc
Ans. 
Programming of CNC VMC involves creating instructions for the machine to follow in order to produce a specific part.
• Requires knowledge of programming languages such as G-code and M-code

• Involves creating a step-by-step process for the machine to follow

• Requires understanding of the machine's capabilities and limitations

• May involve creating custom tool paths for specific parts

• Examples include programming a CNC VMC to prod...read more
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Q2. Code of machining for making program
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The code of machining for making a program involves creating instructions for a machine to follow in order to produce a desired output.
• The program should include specific instructions for the machine to follow, such as tool selection, cutting speed, and feed rate.

• The code should be optimized for efficiency and accuracy.

• It is important to consider the material being machined and adjust the program accordingly.

• Testing an...read more
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Q1. Given program for making a program of auto shaft
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Q2. Another given a making program on cnc machine
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Q1. Job profile discussion
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Q2. Job profile discussion about shop flor
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Q1. Group discussion with team
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Q2. Group discussion with team of production and plant head
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Given a problem for solving on shop floor

Group discussion with team of production and plant head

Q1. How to check backlash
Ans. 
Backlash can be checked by measuring the amount of free movement between two mating components.
• Use a dial indicator to measure the amount of movement between the two components

• Rotate one component while holding the other stationary to check for any play

• Compare the measured value to the manufacturer's specifications

• Adjust the components if necessary to reduce the amount of backlash
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Q2. With the help of dial
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Q1. Why you want to join us
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Q1. What is your role and responsibilities in privious company.
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Q2. What is your strength and weakness
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Q1. Line balancing & cycle time study
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Q2. Manpower handling
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