Hero MotoCorp Electrical Maintenance Engineer Interview Questions and Answers

Q1. How to work hydrolic
Ans. 
Hydraulic systems use fluid to transmit power and are commonly found in machinery and equipment.
• Understand the basic principles of hydraulic systems, including Pascal's Law and how pressure is transmitted through a confined fluid.

• Learn how to operate hydraulic equipment safely, including proper use of controls and understanding potential hazards.

• Regularly inspect hydraulic systems for leaks, damage, or other issues tha...read more
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Q2. Difference between pneumatic and hydrolic
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Pneumatic systems use compressed air to transmit power, while hydraulic systems use fluid (usually oil) to transmit power.
• Pneumatic systems use compressed air as the medium for power transmission.

• Hydraulic systems use fluid (usually oil) as the medium for power transmission.

• Pneumatic systems are typically used in lighter applications, such as air brakes in vehicles.

• Hydraulic systems are used in heavier applications, su...read more
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Q1. How to calculate motor fl current
Ans. 
Motor full load current can be calculated using the formula: FLA = (P x 746) / (V x Eff x PF x 1.73)
• Calculate the power (P) of the motor in horsepower

• Determine the voltage (V) of the motor

• Find the efficiency (Eff) of the motor

• Identify the power factor (PF) of the motor

• Use the formula FLA = (P x 746) / (V x Eff x PF x 1.73) to calculate the full load current
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Q2. What is ammeter how it is working
Ans. 
An ammeter is a device used to measure electric current flowing through a circuit.
• Ammeters are connected in series with the circuit in which the current is to be measured.

• They have a low resistance to prevent significant voltage drop in the circuit.

• Ammeters are calibrated in units of amperes (A) or milliamperes (mA).

• They typically have a needle or digital display to indicate the current reading.

• Ammeters can be analog o
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Q1. How the start industion motor...??
Ans. 
To start an induction motor, apply a voltage to the stator windings to create a rotating magnetic field.
• Apply a voltage to the stator windings to create a rotating magnetic field

• The rotating magnetic field induces currents in the rotor windings, causing it to start rotating

• Use a starter or a soft starter to control the starting current and reduce stress on the motor

• Ensure proper maintenance of the motor to prolong its
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Q1. Plc questions related ask
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Q2. Plc questions related ask
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Salary dis cussion and

Q1. HOW DO WORK IN REALY WHAT IS THE SAFTY
Ans. 
Working with relays requires proper safety measures to prevent electrical hazards.
• Ensure power is off before working on relays

• Use appropriate personal protective equipment (PPE)

• Follow lockout/tagout procedures

• Regularly inspect and maintain relays

• Train employees on proper safety procedures

• Examples of PPE include insulated gloves, safety glasses, and flame-resistant clothing
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Q2. WHAT IS THE FUNCTION IN MECHINE DEFIN PLC
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PLC stands for Programmable Logic Controller and is a digital computer used for automation of electromechanical processes.
• PLCs are used to control and automate various industrial processes such as assembly lines, robotic devices, and packaging systems.

• They are programmed using ladder logic or other programming languages to execute specific tasks.

• PLCs can monitor inputs from sensors and other devices, and based on the p...read more
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Q1. Mentinance and assembly
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Q2. Mechanical work of company
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Q1. Mentinance and assembly uses
Ans. 
Maintenance and assembly are crucial for ensuring equipment reliability and optimal performance.
• Maintenance involves regular inspections, cleaning, lubrication, and replacement of worn-out parts to prevent breakdowns and extend equipment lifespan.

• Assembly involves putting together components to create a functional system or machine.

• Both maintenance and assembly require technical knowledge, attention to detail, and adhe...read more
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