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Deccan Technosecurity & Utility Services Hvac Technician Interview Questions, Process, and Tips
Deccan Technosecurity & Utility Services Hvac Technician Interview Experiences
1 interview found
Selected
I was interviewed in Mar 2024.
(6 Questions)
- Q1. How to hvac theory
- Ans.
HVAC theory involves understanding the principles of heating, ventilation, and air conditioning systems.
Understanding thermodynamics and heat transfer
Knowledge of refrigeration cycles and components
Familiarity with air distribution systems and ductwork design
Ability to troubleshoot and diagnose HVAC systems
Awareness of energy efficiency and environmental regulations
- Q2. What is a validation process in hvac
- Ans.
Validation process in HVAC involves verifying that the system meets specified requirements and functions correctly.
Validation process ensures that the HVAC system is installed correctly and operates as intended.
It involves testing the system to confirm that it meets design specifications and performance criteria.
Validation may include checking airflow, temperature control, humidity levels, and energy efficiency.
Documen...
- Q3. What is the approach in chiller
- Ans.
The approach in chiller involves understanding the components, troubleshooting common issues, and performing regular maintenance.
Understand the basic components of a chiller such as the compressor, condenser, evaporator, and expansion valve.
Troubleshoot common issues like low refrigerant levels, dirty condenser coils, or faulty sensors.
Perform regular maintenance tasks like cleaning coils, checking for leaks, and ensur...
- Q4. How to process in ahu.
- Ans.
Processing in AHU involves filtering, heating or cooling, and distributing air throughout a building.
Start by ensuring the air filters are clean and in good condition.
Adjust the temperature settings on the AHU to provide the desired heating or cooling.
Check the fan and motor to ensure they are functioning properly.
Inspect the ductwork for any leaks or blockages that may hinder air flow.
Monitor the air pressure and adju...
- Q5. How to maintain in RH & temp
- Ans.
Maintaining relative humidity and temperature is crucial for HVAC systems to ensure comfort and efficiency.
Regularly check and calibrate thermostats and humidistats
Ensure proper insulation and sealing of windows and doors to prevent heat loss or gain
Regularly clean and replace air filters to maintain airflow and prevent buildup of dust and debris
Use programmable thermostats to adjust temperature settings based on occup...
- Q6. How to maintain differential pressure
- Ans.
Maintaining differential pressure involves regular monitoring, adjusting airflow, checking filters, and ensuring proper equipment functioning.
Regularly monitor differential pressure readings to ensure they are within acceptable range
Adjust airflow dampers to balance pressure between different areas
Check and replace air filters regularly to prevent blockages and maintain proper airflow
Ensure equipment such as fans and d...
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Electrical Technician Interview Questions & Answers
L&T Construction
Anonymous
posted on 25 Jan 2025
Selected
I was interviewed in Dec 2024.
(4 Questions)
- Q1. The Electrical technician job description entails participating in independent maintenance related training activities organized by the field operations teams and coordinating shutdowns to ensure that ...
- Q2. Commercial and Industrial Electrical Maintenance is the process of regularly inspecting, testing, cleaning, and repairing electrical systems and components to ensure they are safe and functioning Prope...
- Q3. The technician’s role also includes participating in planning, ensuring effective spare parts management, and supervising continuous project improvement.
- Q4. Electrical technicians perform various functions, depending on the particular operations of the company or organization they work with. However, their role is majorly to ensure effective repairs and mainte...
Interview Preparation Tips
Power suppliers
Electrical troubleshooting
PLC Electrical control panel
Senior Electrical Technician Interview Questions & Answers
JK Cement
Anish Ahmad
posted on 18 Jan 2024
Selected
I applied via Recruitment Consulltant and was interviewed in Dec 2023. There were 2 interview rounds.
What your Aim...I Given Answer that my Aim is Growth in my life with work hard....
(5 Questions)
- Q1. What is the SF⁶ Breaker ? SF⁶ breaker is sulfur HexaFluoride Gas breaker..
- Ans.
SF⁶ breaker is a type of circuit breaker that uses sulfur hexafluoride gas as the medium for extinguishing the arc.
SF⁶ breaker is commonly used in high-voltage electrical systems.
It is known for its excellent insulating properties and high dielectric strength.
The sulfur hexafluoride gas in the breaker acts as an effective cooling and arc-quenching medium.
SF⁶ breaker is often used in power transmission and distribution ...
- Q2. How many types of motor? Ans: Motor 2 types.Ac motor&Dc motor..
- Ans.
There are two types of motors: AC motors and DC motors.
AC motors are powered by alternating current and are commonly used in household appliances and industrial machinery.
DC motors are powered by direct current and are often found in battery-operated devices and electric vehicles.
- Q3. How many types of Electricity ? Electricity 2 types 1:statics&2:Dynamic..
- Ans.
There are two types of electricity: static electricity and dynamic electricity.
Static electricity is the buildup of electric charge on an object without any flow of electric current.
Dynamic electricity is the flow of electric charge through a conductor.
Examples of static electricity include rubbing a balloon on hair and getting shocked by touching a doorknob.
Examples of dynamic electricity include the electricity flowi...
- Q4. How much volt in Ht line ? Ans:11kv ,25kv,33kv,66kv,132kv,220kv,400kv,500kv
- Ans.
The voltage in HT lines can vary depending on the application, but common voltages include 11kV, 25kV, 33kV, 66kV, 132kV, 220kV, 400kV, and 500kV.
HT lines typically carry higher voltages than low-tension lines.
The voltage in HT lines is used for transmitting electricity over long distances.
Higher voltage levels in HT lines reduce power losses during transmission.
Examples of HT lines include transmission lines for power
- Q5. What is the CT? Ans: CT is a Current Transformer...it is measure flow of current.
- Ans.
A CT is a Current Transformer used to measure the flow of current.
CT stands for Current Transformer.
It is a device used to step down high currents to a safe level for measurement or protection purposes.
CTs are commonly used in electrical power systems to monitor and control current flow.
They consist of a primary winding and a secondary winding, where the primary winding is connected in series with the current being mea...
Interview Preparation Tips
Basics of maths and english
Topic to be discussed
Interview Preparation Tips
Selected
I applied via Walk-in and was interviewed in Jul 2023. There were 2 interview rounds.
(3 Questions)
- Q1. What is tranfomer, transformer rating, transformer make,it's safety,it's protection,OTI,WTI, BUCHHOLZ RELAY WORKING,silica gel work,
- Ans.
A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
Transformer rating refers to the maximum power that a transformer can handle.
Transformer make refers to the manufacturer or brand of the transformer.
Transformer safety involves proper insulation, grounding, and protection against electrical faults.
Transformer protection includes measures...
- Q2. ACB breaker ,it's working,and ACB make,
- Q3. Flameproof motors,lighting
(1 Question)
- Q1. Previous company salary, notice period,
I applied via Approached by Company and was interviewed in Sep 2022. There were 3 interview rounds.
(1 Question)
- Q1. Yes I'm ready to company
(5 Questions)
- Q1. Press mashin,plc wiring,
- Q2. PLC wiring, press mashin,eot crane,utility, cooling tavar,stp etc
- Q3. Mtbf mter vfd,HMI,smps
- Q4. 63ton to 5000ton press mashin maintenance
- Q5. Nice sefty first rules flowers
Interview Preparation Tips
I applied via Naukri.com and was interviewed before Oct 2022. There were 2 interview rounds.
(6 Questions)
- Q1. Water cooled chiller plant. Tripping issue. Over. Load. . Antefrez. Chillar plant. Trip. Hay pressure. Hay voltage. Tripping issue.
- Q2. Chillar plant. Gas Leaking. Issue. Floor. Cooling issue
- Q3. Chillar plant. Hay pressure. Tripping issue.
- Q4. Floor temperature.Manting.AHU. cooling issue. Air flow.Porblam. .AHU accvter value.Seting.AUT.O. Manuall. Cooling issue Resolved.
- Q5. Water cooled chiller plant. Water. Balcing. Floor. AHU. Air. Blacing. Issue.
- Q6. Chillar plant. Total. testinand..vaquming Gas...charging total commissioning work
Interview Preparation Tips
Interview Preparation Tips
Experience: normal technical qu based on DSA,DBMS,ur project,C,C++
College Name: Veermata Jijabai Technological Institute, Mumbai [ VJTI ]
Electrical Technician Interview Questions & Answers
L&T Construction
Anonymous
posted on 22 Dec 2024
Selected
I applied via Approached by Company and was interviewed in Nov 2024. There were 2 interview rounds.
12 th & Electricale Engineer Diploma
(3 Questions)
- Q1. Working with the safety of all the colleagues working with you and your own safety.
- Q2. Be it any machinery or any part-time job, keep it safe.
- Q3. Doing the work as instructed by your senior.
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Dec 2023. There were 5 interview rounds.
(3 Questions)
- Q1. Instruments samjhot all types all questions
- Q2. Robo lab maintenance auto sampler
- Q3. Auto sempler instrumention
(1 Question)
- Q1. Instrument all semple
(1 Question)
- Q1. Robo lab auto senpler
(1 Question)
- Q1. Auto sempler instrument
Interview Preparation Tips
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Deccan Technosecurity & Utility Services Hvac Technician Interview Process
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