Finisar Design Engineer Interview Questions and Answers

Normal aptitude test

Q1. Engineering questions
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Q1. Engineering questions
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Q1. Salary Negotiation
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Q1. General HR questions
Ans. Always be confident and honest with your answers.
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Q1. Questions relates to different type of fiber optivs and connectors.
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Q2. General types of fibres and connectors used in telcom.
Ans. 
Telecom fibres are mainly of two types: single-mode and multi-mode. Connectors include SC, LC, ST, and FC.
• Single-mode fibres have a smaller core and are used for long-distance communication.

• Multi-mode fibres have a larger core and are used for short-distance communication.

• SC (Subscriber Connector) and LC (Lucent Connector) are small form-factor connectors.

• ST (Straight Tip) and FC (Ferrule Connector) are older connector...read more
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Q1. About batteries with all type and its working
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Q2. New development in electronic technology with electric technology
Ans. 
The new development in electronic technology has revolutionized the field of mechanical engineering design.
• Integration of electronic sensors and control systems in mechanical designs

• Use of electric motors and actuators for precise and efficient movement

• Development of smart materials for better performance and durability

• Implementation of Internet of Things (IoT) for remote monitoring and control

• Advancements in simulatio...read more
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Q1. Explain about PFC topology?
Ans. 
PFC topology refers to Power Factor Correction topology, which is used to improve the power factor of electrical systems.
• PFC topology is used to reduce reactive power and improve the power factor of electrical systems.

• It involves the use of active or passive components to correct the phase difference between voltage and current.

• Common PFC topologies include boost converters, buck-boost converters, and flyback converter...read more
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Q2. Explain about DC-DC converter?
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DC-DC converter is an electronic circuit that converts a DC voltage level to another DC voltage level.
• DC-DC converter is used to step up or step down the voltage level.

• It is commonly used in electronic devices such as mobile phones, laptops, and power supplies.

• There are different types of DC-DC converters such as Buck, Boost, Buck-Boost, and Flyback.

• DC-DC converters are more efficient than linear regulators as they was...read more
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Q1. Explain about past experiences like test methods?
Ans. 
I have experience in developing and implementing various test methods for product validation.
• Developed and executed test plans for new product development

• Conducted various tests such as environmental, durability, and performance tests

• Used various testing equipment and software to collect and analyze data

• Collaborated with cross-functional teams to ensure product met customer requirements

• Implemented improvements to exist...read more
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Q1. Why are you looking for a change?
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Q2. What are your salary expectations?
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Q3. Share details of your previous job.
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Q4. Tell me about yourself.
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Normal aptitude test

Q1. Engineering questions
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Q1. Engineering questions
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Q1. Salary Negotiation
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