Metalman Auto Interview Questions, Process, and Tips

Q1. What is work of vfd?
Ans. 
VFD stands for Variable Frequency Drive. It is used to control the speed of an electric motor.
• VFD adjusts the frequency and voltage of the input power to control the speed of the motor.

• It helps in reducing energy consumption and increasing the lifespan of the motor.

• VFDs are commonly used in HVAC systems, pumps, and fans.

• Example: A VFD can be used to control the speed of a conveyor belt in a manufacturing plant.

• Example:...read more
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Q2. Draw single line without diagram of fwd rev motor
Ans. 
A single line cannot depict a forward and reverse motor without a diagram.
• A forward and reverse motor requires at least two lines to depict its operation.

• A diagram or illustration is necessary to show the direction of rotation.

• A single line can only represent a unidirectional motor.

• The question may be testing problem-solving skills and ability to communicate limitations.
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Q3. What happened if we connect AC supply to the hmi?
Ans. 
Connecting AC supply to HMI can damage the device and cause electrical hazards.
• HMI is designed to work with DC supply only

• AC supply can cause damage to the device and may lead to electrical hazards

• It is important to follow the manufacturer's instructions and use the correct power supply
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Q1. About salary discuss
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Q2. Previous company experience & salary expectation
Ans. 
I have 5 years of experience in operations management at XYZ Company. My salary expectation is in line with industry standards.
• I have 5 years of experience in operations management at XYZ Company.

• During my time at XYZ Company, I successfully implemented cost-saving measures that resulted in a 10% reduction in operational expenses.

• I have a strong track record of improving operational efficiency and streamlining processe...read more
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Q1. What was the experience in new technology to welding and sheet metal parts
Ans. 
I have extensive experience in new technology for welding and sheet metal parts.
• I have worked with advanced welding techniques such as laser welding and electron beam welding.

• I have also worked with new materials such as titanium and composites.

• I have experience in using computer-aided design (CAD) software to design sheet metal parts.

• I have worked with automated sheet metal fabrication equipment such as CNC machines.

• I...read more
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Q2. Prior work experience releated to job this
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Company Ebita, OEE Calculations,
Availability, Production will reducing losses
Production rate and cycle time automation
Production per person and per hour
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Communication skills and behaviour study, Company structure, turnover, EBITDA,

Q1. What is force? What is difference between force and mass What is hydraulic and pneumatics How can you reduce technical losses through OEE
Ans. 
Force is a push or pull on an object. It is measured in Newtons (N). Mass is the amount of matter in an object.
• Force is a vector quantity, meaning it has both magnitude and direction.

• Mass is a scalar quantity, meaning it only has magnitude.

• Hydraulics is the use of fluids to transmit power and pneumatics is the use of gases.

• Reducing technical losses through OEE can be achieved by improving equipment reliability, reducin
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