FANUC Electrical Maintenance Technician Interview Questions and Answers

Q1. My Communicate, my rafomnace,my character etc related Qution
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Q2. My education qutlifacation and my interview
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Q1. 1. Transformer Testing,
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Q2. Battery Charger , Illumination Work
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Q1. What is maintenance &why to required
Ans. 
Maintenance is the process of ensuring the proper functioning and longevity of equipment, machinery, or infrastructure.
• Maintenance is required to prevent breakdowns and failures, ensuring smooth operations.

• It helps in extending the lifespan of assets and reducing the need for costly replacements.

• Regular maintenance improves safety by identifying and fixing potential hazards.

• It enhances efficiency and productivity by ke...read more
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Q1. What is the VFD
Ans. 
VFD stands for Variable Frequency Drive, used to control the speed of an AC motor by varying the frequency and voltage supplied to the motor.
• VFDs are commonly used in industrial applications to control pumps, fans, and other motor-driven equipment.

• They can improve energy efficiency by adjusting motor speed to match the required load.

• VFDs can also provide better control over motor acceleration and deceleration, reducing...read more
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Q2. What is the role of an Online Learning Resource (OLR)?
Ans. 
OLRs provide access to educational materials and resources online for self-paced learning.
• Provide access to a wide range of educational materials and resources

• Allow for self-paced learning and flexibility in studying

• Can include videos, interactive quizzes, readings, and other multimedia content

• Enable learners to access information anytime, anywhere with an internet connection

• Can be used for professional development or
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Q1. What is the rccb
Ans. 
RCCB stands for Residual Current Circuit Breaker, a device designed to quickly disconnect power in the event of a leakage current.
• RCCB is a safety device used to protect against electric shock and fire hazards.

• It detects any imbalance in the electrical current flowing through the circuit.

• When a leakage current is detected, the RCCB trips and disconnects the power supply.

• RCCBs are commonly used in residential, commercia...read more
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Q2. Which place use star delta connection
Ans. 
Star delta connection is commonly used in high-power industrial applications to reduce starting current.
• High-power industrial applications

• Motors with high starting current

• Applications where smooth starting is required
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Q1. What is encoder, proxy
Ans. 
An encoder is a device that converts motion into an electrical signal. A proxy is a server that acts as an intermediary for requests from clients.
• Encoders are used in various applications such as robotics, automation, and CNC machines.

• Proxies are commonly used in computer networks to improve security and performance.

• An example of an encoder is a rotary encoder that converts the rotational motion of a shaft into an elec...read more
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Q2. How to chake transformer
Ans. 
To check a transformer, perform visual inspection, measure voltage and current, and test insulation resistance.
• Perform a visual inspection of the transformer for any physical damage or signs of overheating.

• Measure the voltage and current using a multimeter to ensure they are within the rated values.

• Test the insulation resistance using a megohmmeter to ensure it is above the minimum value.

• Perform a polarity test to ensu...read more
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Q3. How to chake motor conditions
Ans. 
To check motor conditions, perform visual inspection, measure voltage and current, check for abnormal noises, and test motor performance.
• Perform a visual inspection to check for any physical damage or loose connections.

• Measure the voltage and current using a multimeter to ensure they are within the specified range.

• Listen for any abnormal noises such as grinding or squealing that may indicate motor issues.

• Test the motor...read more
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Q4. Why use in VFD drive
Ans. 
VFD drives are used to control the speed and torque of electric motors, resulting in energy savings and improved motor performance.
• VFD drives allow for precise control of motor speed and torque.

• They can be used to match the motor speed to the load requirements, resulting in energy savings.

• VFD drives can improve motor performance by reducing mechanical stress and wear.

• They enable soft starting and stopping of motors, re...read more
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Q5. What different in Acb, vcb breaker
Ans. 
ACB and VCB breakers are both types of circuit breakers used in electrical systems, but they differ in their operating mechanisms.
• ACB stands for Air Circuit Breaker, while VCB stands for Vacuum Circuit Breaker.

• ACB breakers use air as the medium for arc extinction, while VCB breakers use vacuum.

• ACB breakers are typically used for low voltage applications, while VCB breakers are used for medium to high voltage applicatio...read more
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Q6. What is Di or Do how to work
Ans. 
Di and Do are electrical protection devices used in low voltage systems to protect against overcurrent and short circuits.
• Di stands for Differential Current Protection and is used to detect and protect against ground faults and leakage currents.

• Do stands for Overcurrent Protection and is used to protect against overloads and short circuits.

• Di works by comparing the current flowing in the live and neutral conductors, an...read more
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Vcb (Testing),ACB, battery, transformer, motor maintenance