SOPAN Assistant Manager Service Interview Questions and Answers

Q1. Define Ohm' law and formulas
Ans. 
Ohm's law states that the current flowing through a conductor is directly proportional to the voltage across it and inversely proportional to the resistance of the conductor.
• Ohm's law is expressed as V = I * R, where V is voltage, I is current, and R is resistance.

• It can also be written as I = V / R and R = V / I.

• Ohm's law is used to calculate the relationship between voltage, current, and resistance in electrical circ...read more
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Q2. Symbols of electrical equipment
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Symbols of electrical equipment represent different components and functions in electrical circuits.
• Resistor: zigzag line

• Capacitor: two parallel lines

• Inductor: coil symbol

• Diode: arrow pointing towards a line

• Transistor: three arrows

• Ground: three horizontal lines

• Battery: two parallel lines with a + and - sign
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Q1. Hydraulic related questions
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Q2. Technical Trouble shooting questions
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Q1. Disel engine combustion process
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The diesel engine combustion process involves the ignition of fuel injected into the combustion chamber by compressed air.
• Diesel fuel is injected into the combustion chamber at high pressure

• The air in the combustion chamber is compressed by the piston, leading to high temperatures

• The high temperature air ignites the fuel, leading to combustion and the generation of power

• The combustion process in diesel engines is more
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Q2. What is two & four stroke engine.
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A two-stroke engine completes a power cycle in two strokes of the piston, while a four-stroke engine completes it in four strokes.
• Two-stroke engines have a simpler design with fewer moving parts compared to four-stroke engines.

• Two-stroke engines typically produce more power for their size but are less fuel-efficient and emit more pollution.

• Four-stroke engines are more common in cars, motorcycles, and larger machinery d...read more
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Q3. What's is hydraulic component.
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A hydraulic component is a device that utilizes fluid power to perform mechanical tasks.
• Hydraulic components use liquid to transmit power.

• Common examples include hydraulic cylinders, pumps, motors, valves, and hoses.

• They are often used in heavy machinery, construction equipment, and industrial applications.
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Q4. What is realy,and working principle
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Realy is a type of relay used in electrical systems to control high power devices with low power signals.
• Relays are switches that open and close circuits electromechanically

• Realy is a type of relay specifically designed for high power applications

• Working principle involves an electromagnet that moves an armature to open or close the circuit

• Commonly used in industrial automation, automotive, and HVAC systems
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Q5. Least count of all megerment.
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Least count is the smallest change in the measured quantity that can be detected by the measuring instrument.
• Least count is determined by the smallest division on the scale of the measuring instrument.

• It is important for accurate measurements and precision in engineering.

• For example, a ruler with millimeter divisions has a least count of 1 mm.

• A vernier caliper with 0.1 mm divisions has a least count of 0.1 mm.
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Q1. Tell me about your experience
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Q1. Tell me about your experience
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Q1. Step by procedure if boom life is not working
Ans. 
The step-by-step procedure if boom life is not working
• Check the power supply to the boom lift

• Inspect the control panel for any error codes or indicators

• Ensure all safety switches are engaged properly

• Inspect the hydraulic system for any leaks or malfunctions

• Check the boom lift's batteries and charging system

• Verify if the emergency stop button is engaged or if any other safety features are activated

• Consult the boom lift'...read more
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Q2. How to cheack boom hoist
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To check boom hoist, inspect the wire rope, drum, brake, and hydraulic system.
• Inspect the wire rope for any signs of wear or damage.

• Check the drum for any cracks or deformities.

• Test the brake to ensure it is functioning properly.

• Inspect the hydraulic system for any leaks or malfunctions.

• Perform load testing to ensure the boom hoist can handle the required weight.

• Check the boom hoist control system for any faults or err
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Q3. Make sure that boom hoist properly attached and aligned make sure that hoist cable is correctly positioned and that boom is not bend or damaged
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Q1. How many types of cranes
Ans. 
There are several types of cranes used in various industries for lifting and moving heavy objects.
• Mobile cranes: These are versatile cranes mounted on wheels or tracks and can be easily transported to different locations.

• Tower cranes: These are tall cranes often used in construction sites to lift heavy materials to great heights.

• Overhead cranes: These cranes are typically used in factories or warehouses to move heavy l...read more
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New topic is given every time

Q1. Introduce yourself
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Q2. Why would you like to join this company
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Two easy level and one medium level code

Q1. From resume and project
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Q1. Electrical switches gear
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Q2. Field service electrical department
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Q3. Any questions for electrical department
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