Hightech Next Engineering & Telecom Mobile Repair Engineer Interview Questions and Answers

Mobiles related questionnaire

Q1. What are the terminals of battery?
Ans. 
The terminals of a battery are the positive terminal (+) and the negative terminal (-).
• The positive terminal is typically marked with a plus sign (+) and is usually red in color.

• The negative terminal is typically marked with a minus sign (-) and is usually black in color.

• Connecting the positive terminal of one battery to the negative terminal of another creates a circuit.
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Q2. How to treat irritate customer?
Ans. 
Listen actively, empathize, remain calm, apologize, offer solutions, follow up.
• Listen actively to understand the customer's concerns.

• Empathize with the customer's frustration and show understanding.

• Remain calm and composed, even if the customer is being difficult.

• Apologize sincerely for any inconvenience caused.

• Offer solutions to address the customer's issues.

• Follow up with the customer to ensure their satisfaction.
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Q1. Device related questions
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Q2. What is your kpi
Ans. 
My key performance indicator (KPI) is to consistently meet repair deadlines and maintain a high level of customer satisfaction.
• Meeting repair deadlines

• Maintaining high customer satisfaction

• Reducing repair turnaround time

• Increasing repair quality

• Improving first-time fix rate
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Q1. Technical support
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Q2. Technical support and team handling
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Q3. Positive thoughts
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Basics of electronics(Gates, MOSFET, Opamps), reasoning

Q1. Rectifiers, voltage dividers, Questions based on Major project in college
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Q2. Draw a half wave rectifier.
Ans. 
A half wave rectifier is a simple electronic circuit that converts AC voltage to pulsating DC voltage.
• Consists of a diode connected in series with a load resistor

• Allows only the positive half cycle of the input AC signal to pass through

• Output voltage is the same as the input voltage during the positive half cycle
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Q3. How does a CMOS function
Ans. 
CMOS functions by using both NMOS and PMOS transistors to create logic gates and memory cells.
• CMOS stands for Complementary Metal-Oxide-Semiconductor

• It uses both NMOS (n-type) and PMOS (p-type) transistors to create logic gates and memory cells

• CMOS technology is widely used in digital integrated circuits due to its low power consumption and high noise immunity
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Q4. Detailed basics of diodes, Capacitors
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Q1. Tell us about yourself
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Q2. Why should we hire you as a fresher
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Q1. About yourself, and technical queries
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