Qualcomm Senior Product Engineer Interview Questions, Process, and Tips

MCQ type exam to qualify for the technical interview.

Q1. What is Capacitor?
Ans. 
A capacitor is an electronic component that stores and releases electrical energy.
• A capacitor consists of two conductive plates separated by an insulating material called dielectric.

• It stores electrical energy in an electric field between the plates.

• Capacitors are commonly used in electronic circuits for energy storage, filtering, timing, and coupling.

• They can be found in various devices such as power supplies, amplifi...read more
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Q2. What is Power factor?
Ans. 
Power factor is a measure of how effectively electrical power is being used in a circuit.
• Power factor is the ratio of real power (kW) to apparent power (kVA) in an AC circuit.

• It indicates the efficiency of power usage and the presence of reactive power.

• A power factor of 1 indicates all power is being used effectively, while a power factor less than 1 indicates inefficiency.

• Inductive loads (e.g., motors) have lagging po...read more
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Q3. How the motor started works?
Ans. 
The motor starter is a device that starts and stops the motor by controlling the flow of electrical power.
• The motor starter consists of a contactor, overload relay, and control circuit.

• When the start button is pressed, the control circuit energizes the coil of the contactor, closing its contacts and allowing current to flow to the motor.

• The overload relay protects the motor from excessive current by sensing the current...read more
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Q4. Types of motor - specifically the capacitor start and run motors.
Ans. 
Capacitor start and run motors are types of motors commonly used in various applications.
• Capacitor start motors use a capacitor to provide high starting torque and are commonly used in appliances like air conditioners and refrigerators.

• Capacitor run motors use a capacitor to improve the motor's efficiency and power factor, and are often found in fans, pumps, and compressors.

• Both types of motors have advantages and disa...read more
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Q5. Types of capacitor and its function.
Ans. 
Capacitors are electronic components that store and release electrical energy. They come in various types and have different functions.
• Electrolytic capacitors are commonly used in power supply circuits to smooth out voltage fluctuations.

• Ceramic capacitors are used for high-frequency applications and noise suppression.

• Film capacitors are suitable for applications requiring high voltage and high current handling.

• Tantalum...read more
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Q6. What is dielectric?
Ans. 
Dielectric is a material that does not conduct electricity but can store and transmit electric charge.
• Dielectric materials have high electrical resistance.

• They are used in capacitors to store and release electrical energy.

• Examples of dielectric materials include glass, rubber, and plastic.

• Dielectric strength is a measure of a material's ability to withstand electrical stress without breaking down.

• Dielectric constant is...read more
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Q1. Which department would you like to work with to contribute to the organization?
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Q1. Tell me about yourself
Ans. 
Experienced product manager with a background in tech and a passion for creating innovative solutions.
• Over 5 years of experience in product management roles

• Strong technical background with a degree in Computer Science

• Led successful product launches, such as a mobile app that increased user engagement by 30%

• Skilled in market research, product development, and cross-functional team collaboration
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Q1. Interviewer went through my CV and asked to explain
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Aptitude 60 min 25 qstns

Q1. SEM explain working method etc
Ans. 
SEM stands for Scanning Electron Microscope, a type of microscope that uses electrons to create high-resolution images of samples.
• SEM uses a focused beam of electrons to scan the surface of a sample

• The electrons interact with the atoms in the sample, producing signals that can be used to create an image

• SEM provides high-resolution images with magnifications up to 1,000,000x

• It is commonly used in materials science, biol
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Aptitude test duration - 30min , moderate level difficulty

Q1. What do you know about MCU and microprocessors
Ans. 
MCU stands for microcontroller unit, a small computer on a single integrated circuit. Microprocessors are general-purpose CPUs used in computers.
• MCUs are typically used in embedded systems for specific tasks like controlling devices or appliances.

• Microprocessors are used in general-purpose computing devices like laptops and smartphones.

• Examples of MCUs include Arduino boards and Raspberry Pi.

• Examples of microprocessors...read more
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Q1. Describe your previous role
Ans. I have many years of experiences.
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Q1. Tech details and PM details
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Q2. Related to product management process
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Q3. Related to challenges faced in PM
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Q1. Tech details and PM details
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Q1. Tech details and PM details
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Q1. Tell me about kiazen,and 7qc tools
Ans. 
Kaizen is a Japanese term for continuous improvement and 7QC tools are quality control techniques used to identify and solve problems.
• Kaizen involves making small, incremental improvements to processes and systems to increase efficiency and reduce waste.

• 7QC tools include Pareto charts, cause-and-effect diagrams, flowcharts, histograms, scatter diagrams, control charts, and check sheets.

• These tools are used to analyze d...read more
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Q2. Tell me about 8D analysis, & six Sigma, SPC
Ans. 
8D analysis, Six Sigma, and SPC are quality control methodologies used in production engineering.
• 8D analysis is an eight-step problem-solving methodology used to identify, correct, and prevent recurring problems.

• Six Sigma is a data-driven approach to quality control that aims to reduce defects and improve processes.

• SPC (Statistical Process Control) is a method of monitoring and controlling a process to ensure it operat...read more
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Q3. Explain about OEE, & explain about 5 types of wastes
Ans. 
OEE is a metric used to measure manufacturing productivity. 5 types of wastes are defects, overproduction, waiting, non-utilized talent, and transportation.
• OEE stands for Overall Equipment Effectiveness and is a measure of how effectively a manufacturing operation is utilized

• It is calculated by multiplying availability, performance, and quality

• The 5 types of wastes are defects, overproduction, waiting, non-utilized tal...read more
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Q1. Tell me about yourself, about your background
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Q2. What is your responsibility in shop floor
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Q3. What are your skills
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