Crompton Greaves Consumer Electricals Service Engineer Interview Questions and Answers

Q1. Discussion regarding salary package
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Q2. Online discussion
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Q1. Confirmation regarding salary package
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Q2. Yes or no confirmation required
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Q3. Required confirmation
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Q1. Required confirmation
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Q1. Electric and electronics related basic and techenic
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Q2. What is the inverter
Ans. 
An inverter is an electronic device that converts DC power to AC power.
• Inverters are commonly used in solar power systems to convert DC power from solar panels to AC power for use in homes and businesses.

• They are also used in cars to convert DC power from the battery to AC power for charging devices.

• Inverters come in various sizes and capacities, from small portable units to large industrial models.

• They can be pure sin...read more
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Q3. What is the meaning of ampere
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The ampere is the SI unit of electric current, representing the flow of electric charge.
• The ampere is named after the French mathematician and physicist André-Marie Ampère.

• It is defined as one coulomb of charge passing through a conductor per second.

• The ampere is used to measure the intensity of electric current in a circuit.

• It is a fundamental unit in the International System of Units (SI).
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Q4. What is the meaning of battery
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A battery is a device that stores chemical energy and converts it into electrical energy.
• A battery consists of one or more electrochemical cells.

• It is commonly used to power electronic devices such as smartphones, laptops, and cars.

• Batteries can be rechargeable or non-rechargeable.

• They provide a portable and convenient source of power.

• Examples of batteries include alkaline batteries, lithium-ion batteries, and lead-aci
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Q1. What is the meaning DC
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DC stands for Direct Current.
• DC is a type of electric current that flows in one direction.

• It is commonly used in batteries, electronic devices, and power transmission systems.

• Unlike AC (Alternating Current), DC does not change direction periodically.

• DC voltage can be either positive or negative depending on the direction of current flow.

• Examples of DC devices include smartphones, laptops, and electric vehicles.
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Q2. What is the meaning AC
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AC stands for Alternating Current.
• AC is a type of electrical current that periodically reverses direction.

• It is commonly used in household appliances and electrical power transmission.

• AC voltage can be easily changed using transformers.

• AC is different from DC (Direct Current) which flows in only one direction.

• AC can be dangerous if not handled properly.
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Q3. What is the meaning current
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Current is the flow of electric charge through a conductor.
• Current is measured in amperes (A)

• It is caused by the movement of electrons

• Current can be either direct current (DC) or alternating current (AC)

• DC flows in one direction while AC alternates in direction

• Examples of current include the flow of electricity in a circuit or the flow of water in a river
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Q1. Technical Experience
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Q2. About the Company review
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Q3. I used to work in any company
Ans. I used to work Eureka Forbes
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Technical

Q1. Power on no display cause, No display diagnosis steps
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Power on no display cause
• Check if the power cable is properly connected

• Ensure the monitor is turned on and functioning

• Verify if the graphics card is seated correctly

• Check if the display cable is securely connected

• Test the system with a different monitor or display
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Q2. No display diagnosis steps
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Diagnosis steps for no display issue
• Check if the power cable is properly connected

• Ensure the monitor is turned on and the brightness is adjusted

• Inspect the video cable for any damages or loose connections

• Try connecting the monitor to a different device to rule out compatibility issues

• Check the graphics card or integrated graphics settings

• Restart the computer and check if the display comes back
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Q1. Function of VFD and it's working principles
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VFD is a device used to control the speed of an electric motor by varying the frequency and voltage supplied to it.
• VFD stands for Variable Frequency Drive

• It converts AC power to DC power and then back to AC power at a variable frequency and voltage

• It allows for precise control of motor speed and energy savings

• Examples of VFD applications include HVAC systems, pumps, and conveyor belts
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Q2. All type of Chiller and basic difference between Screw and Centrifugal Chiller.
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Screw and Centrifugal Chillers are two types of chillers used in HVAC systems. The basic difference lies in their compression technology.
• Screw Chillers use a rotary screw compressor to compress the refrigerant gas while Centrifugal Chillers use a centrifugal compressor.

• Screw Chillers are more efficient at part-load conditions while Centrifugal Chillers are more efficient at full-load conditions.

• Screw Chillers are suita...read more
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Q1. Details of previous organisation
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