Aquatech International Design 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. Questions related to the management part.
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Q1. Some basic & Some intermediate questions in technical.
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Q1. About switches, routers, servers and installation part and all in medium type
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Q2. English communication and local language Tamil must be for getting the job
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Q1. What is star-delta power wiring and control wiring in electrical systems?
Ans. 
Star-delta power wiring is a method used to reduce starting current in motors, while control wiring is used to control the operation of electrical systems.
• Star-delta power wiring involves connecting a motor in a star configuration during starting to reduce current spikes, then switching to a delta configuration for normal operation.

• Control wiring includes components like switches, relays, and contactors to control the ...read more
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Q2. What is an HVAC system?
Ans. 
An HVAC system is a system that provides heating, ventilation, and air conditioning to a building or space.
• HVAC stands for Heating, Ventilation, and Air Conditioning

• It helps regulate temperature, humidity, and air quality in a building

• Examples of HVAC systems include furnaces, air conditioners, and ventilation systems
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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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Q1. HVAC, hydraulic, cGMP
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Q1. Share details of your previous job.
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Q2. Company introduction and JD
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Q1. System releted question asking
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