Pricol Diploma Electrical Engineer Interview Questions and Answers

Q1. Do you know ac dc in electricala? How many types transformee?
Ans. 
AC and DC are two types of electrical current. There are two types of transformers - step-up and step-down.
• AC stands for alternating current and DC stands for direct current

• AC changes direction periodically while DC flows in one direction

• Step-up transformers increase voltage while step-down transformers decrease voltage

• Transformers are used to transfer electrical energy from one circuit to another

• Examples of AC devices...read more
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Q1. Do you know Apollo tyres? You instrested to join our company? How many your family member? What is stabilizer?
Ans. 
Apollo Tyres is a well-known tire manufacturing company.
• Apollo Tyres is a multinational company headquartered in India.

• They manufacture a wide range of tires for various vehicles including cars, trucks, and motorcycles.

• Apollo Tyres has a strong presence in both domestic and international markets.

• They are known for their quality products and innovative technologies.

• The company has a strong focus on research and developm
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Q1. Mechanical properties of material
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Q2. What is difference between stress and strain.
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Q1. What is fluid ?
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Q2. What is powe r?
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Q3. What is machine
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Q4. What is unit of power
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Q5. What is the unitless quantity
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Q1. What is the combustion chamber ,?
Ans. 
The combustion chamber is where fuel and air are mixed and burned in an internal combustion engine.
• It is a part of an internal combustion engine where the fuel-air mixture is ignited and burned.

• The combustion chamber is designed to contain and control the combustion process.

• It is typically located within the cylinder head of an engine.

• The shape and design of the combustion chamber can affect engine performance and effi
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Q2. Explain the refrigerant system?.
Ans. 
Refrigerant system is a closed loop system that absorbs heat from a low-temperature area and releases it in a high-temperature area.
• Refrigerant circulates through the system to absorb and release heat

• Compressor increases the pressure of the refrigerant gas

• Condenser cools the refrigerant gas into a liquid

• Expansion valve reduces the pressure of the liquid refrigerant

• Evaporator absorbs heat from the surrounding area to co...read more
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All Machines information in Aptitude test

All employees are group discussion

Q1. Draw star-delta Diagram
Ans. 
Star-delta diagram is a method used to reduce starting current in induction motors.
• Star connection is used during starting to reduce current and then switches to delta connection for running.

• In star connection, each phase is connected to a common point called the neutral.

• In delta connection, each phase is connected in a loop.

• Example: L1, L2, L3 are connected to A, B, C respectively in star, then switched to form a delt
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Q1. There was a first round of technical knowledge of theory of mechanics , machine design and some basic knowledge of other subjects
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Q2. Describe about yourself,
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Q1. All about family background, members, and some personal questions
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