Service Care Mechanical Engineer Interview Questions and Answers

Q1. Overall previous site infrastructure details
Ans. 
Previous site infrastructure included data centers, networking equipment, servers, and storage systems.
• Data centers were located in multiple regions for redundancy.

• Networking equipment included routers, switches, and firewalls.

• Servers were a mix of physical and virtual machines.

• Storage systems used SAN and NAS technologies.

• Backup and disaster recovery plans were in place.

• Monitoring tools were used to track performance
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Multiple scenarios of UPS DG CHILLER FAILURES

Q1. Hydraulics, Pnumamatic and machine maintenance related
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Q1. Hydraulics, Pnumamatic and machine maintenance related
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Q1. What are your past experiences and how you handled any problem that arose at site
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Q2. What are the various test that can be done at site for conforming the quality of the concrete
Ans. 
Various tests can be done at site to ensure concrete quality.
• Slump test to measure consistency

• Compression test to measure strength

• Air content test to measure air voids

• Temperature test to ensure proper curing

• Rebound hammer test to measure surface hardness

• Ultrasonic test to detect internal defects

• Chloride ion penetration test to measure durability

• Water permeability test to measure resistance to water penetration
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Reasoning , Mathematics, Science

Designed to assess what a person is capable of doing or to predict what a person is able to learn or do give the right education and instruction

Q1. Thermodynamics, boiler,mass , force, gravitational
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Q2. What is thermodynamics.
Ans. 
Thermodynamics is the branch of physics that deals with the relationships between heat and other forms of energy.
• Study of heat and energy transfer

• Relationship between temperature, pressure, and volume

• Laws of thermodynamics govern energy interactions in systems
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Q3. What is force and unite of force
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Force is a push or pull acting upon an object, measured in Newtons (N).
• Force is a vector quantity, meaning it has both magnitude and direction.

• The unit of force is the Newton (N), named after Sir Isaac Newton.

• 1 Newton is the force required to accelerate a 1 kilogram mass at a rate of 1 meter per second squared.

• Examples of forces include gravity, friction, tension, and applied forces.

• Force can cause objects to move, cha
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Q4. What is boiler. Types of boiler
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A boiler is a closed vessel in which water or other fluid is heated. Types include fire-tube, water-tube, and electric boilers.
• Boilers are used to generate steam or hot water for heating or power generation

• Types of boilers include fire-tube, water-tube, and electric boilers

• Fire-tube boilers have hot gases flowing through tubes surrounded by water

• Water-tube boilers have water flowing through tubes surrounded by hot gase...read more
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Q5. The discovery of gravitational force
Ans. 
The discovery of gravitational force revolutionized our understanding of the universe.
• Gravitational force was first described by Sir Isaac Newton in his law of universal gravitation.

• It explains the attraction between objects with mass.

• The discovery of gravitational force led to advancements in physics and astronomy.

• It plays a crucial role in understanding the motion of planets, stars, and galaxies.
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Q1. What is the transformer
Ans. 
A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Transformers are used to increase or decrease voltage levels in electrical circuits.

• They consist of two coils of wire, known as the primary and secondary coils.

• The primary coil is connected to a power source, while the secondary coil is connected to the load.

• The changing magnetic field i...read more
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Q2. What is ACB and it how to work
Ans. 
ACB stands for Air Circuit Breaker, which is a type of circuit breaker that operates in the air as an arc extinguishing medium.
• ACB is used to protect electrical circuits from overloads and short circuits by automatically disconnecting the power supply when a fault is detected.

• It consists of a set of contacts that open and close to interrupt the flow of current in the circuit.

• ACBs are commonly used in industrial and com...read more
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Q3. Let me DG Safety device
Ans. 
DG Safety device is a safety device used to protect diesel generators from damage or malfunction.
• DG Safety device monitors parameters like temperature, oil pressure, and voltage to ensure safe operation.

• It can automatically shut down the generator in case of any abnormal readings to prevent damage.

• Examples of DG Safety devices include automatic voltage regulators, engine control modules, and temperature sensors.
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Q4. What is transformer safety
Ans. 
Transformer safety refers to measures taken to prevent accidents and ensure the proper functioning of transformers.
• Regular maintenance checks to identify any potential issues

• Proper grounding to prevent electrical shocks

• Using protective equipment when working with transformers

• Following safety guidelines and protocols

• Installing safety devices such as pressure relief valves

• Training employees on safe handling and operation
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