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QNFS Hvac Technician Interview Questions and Answers
QNFS Hvac Technician Interview Experiences
1 interview found
I applied via Naukri.com and was interviewed before May 2020. There were 3 interview rounds.
Interview Questionnaire
2 Questions
- Q1. 1 How many types of compressor ? 2 Electrical troubleshootin, star delta wiring . Many question asking about chiller and DX unit
- Ans.
There are two types of compressors: positive displacement and dynamic. Electrical troubleshooting and wiring are also important skills for HVAC technicians, with a focus on star delta wiring. Knowledge of chiller and DX units is also necessary.
Two types of compressors: positive displacement and dynamic
Electrical troubleshooting and wiring skills are important
Focus on star delta wiring
Knowledge of chiller and DX units i...
- Q2. CHW IN OUT TEMP DIFFERENCE ABOUT ADAPTIV CONTROL ALRAM TRUBLE SHOOT ETC..
- Ans.
CHW IN OUT temp difference and adaptive control alarm troubleshooting for HVAC technician.
CHW IN OUT temp difference is the temperature difference between the chilled water entering and leaving the HVAC system.
Adaptive control is a system that adjusts the HVAC system's output based on the current conditions.
Alarm troubleshooting involves identifying and resolving any issues with the HVAC system's alarms.
Examples of ala...
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I applied via Recruitment Consultant and was interviewed before Apr 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Process related
Interview Preparation Tips
(5 Questions)
- Q1. What is poroosity
- Ans.
Porosity is the measure of empty spaces in a material, often used in geology and engineering.
Porosity is the ratio of void spaces to total volume in a material.
It is expressed as a percentage.
Porosity is important in fields like geology for assessing rock formations and in engineering for determining the strength of materials.
Examples of porous materials include sponges, pumice stones, and aerogels.
- Q2. What is permeability
- Ans.
Permeability is the property of a material that allows fluids or gases to pass through it.
Permeability is a measure of how easily a substance can pass through a material.
It is often used in geology to describe how easily fluids can flow through rocks or soil.
Permeability can be affected by factors such as pore size, connectivity, and fluid viscosity.
Materials like sandstone have high permeability, while materials like ...
- Q3. Why you want this job
- Ans.
I am passionate about helping others and believe this job will allow me to make a positive impact in the community.
I have a strong desire to contribute to the well-being of others
I am excited about the opportunity to work in a team-oriented environment
I am eager to learn and grow in my career
- Q4. Oil shale vs shale oil differnece
- Ans.
Oil shale is a rock containing kerogen that can be converted into shale oil through a process called retorting.
Oil shale is a sedimentary rock containing kerogen, a precursor to oil.
Shale oil is the liquid hydrocarbons extracted from oil shale through a process called retorting.
Oil shale deposits are found in various countries like the United States, Estonia, and China.
Shale oil production has increased in recent years...
- Q5. Unconventional reservoir
I applied via Company Website and was interviewed before Nov 2020. There were 4 interview rounds.
Interview Questionnaire
2 Questions
- Q1. What is safety define deeply
- Ans.
Safety is the state of being free from harm or danger.
Safety involves identifying and assessing potential hazards
It requires taking measures to prevent accidents and injuries
It involves following established safety protocols and procedures
Safety also includes being prepared for emergencies and knowing how to respond
Regular training and education on safety practices is crucial
- Q2. Safety is major parts of a industries because lack of proper safety mangement industries can't be run longer time. in chemicals industries most of safety required for no Accident of fire
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Nov 2018. There was 1 interview round.
Interview Questionnaire
2 Questions
- Q1. Motor maintenance battery bank Breaker maintenance Earthpit
- Q2. Which type of maintenance of induction motor
- Ans.
There are two types of maintenance for induction motors: preventive and corrective.
Preventive maintenance involves regular inspections, cleaning, lubrication, and replacement of worn parts to prevent breakdowns.
Corrective maintenance involves repairing or replacing parts after a breakdown has occurred.
Preventive maintenance is more cost-effective in the long run and helps to extend the life of the motor.
Examples of pre...
Interview Preparation Tips
Mechanical Technician Interview Questions & Answers
Bharat Petroleum
Anonymous
posted on 26 May 2018
Interview Preparation Tips
Experience: aptitude reasoning and base techanical.
Round: Group Discussion
Experience: techanical core branch.
Interview Preparation Tips
Experience: "tell me about yourself..i gave him info on me my family n in my hobbies i mentioned 'sports for fun' n he caught me der..
what would u play in commonwealth games?
who won max no of gold medals in the recent olympics..
(my answer was a simple ""no idea!!!""
tell me about ur industrial visits..which 1 did u like betr n give me some information on the part u liked the most..(then some details on motors etc)
what is a bearing?where do u see a bearing bein used in this room?? (fan)
why reliance?? why not siemens or abb??"
Skill Tips: "Just be confident even if u r unable to answer a few questions..they dont expect u to be perfect..they just want to see how much u kno n how much u can learn..n almost every company asks if u r comfortable to be placed anywhere in india..just say yes..they do that to test ur flexibility..n if u r really in need of a job, be prepared to go to any place..
If u r the first to be interviewed, u have higher chances of getting selected..an empirical observation.."
College Name: Veermata Jijabai Technological Institute, Mumbai [ VJTI ]
Mechanical Technician Interview Questions & Answers
Indian Oil Corporation
Anonymous
posted on 8 Dec 2021
I applied via Recruitment Consultant and was interviewed before Dec 2020. There were 3 interview rounds.
Interview Questionnaire
4 Questions
- Q1. Mechanical questions
- Q2. Mechanical pump
- Q3. Compressor two staze reciprocating
- Ans.
A compressor with two stages of reciprocating motion.
Two-stage reciprocating compressors have two cylinders that compress the air twice.
The first stage compresses the air and sends it to the second stage for further compression.
This type of compressor is commonly used in industrial applications such as refrigeration and air conditioning.
The two-stage design allows for higher efficiency and greater pressure output compa...
- Q4. Tribune questions
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ITI Electrician Interview Questions & Answers
Indian Oil Corporation
Anugrah Dixit
posted on 24 Feb 2022
Technical and non technical
(1 Question)
- Q1. Trade related questions
Interview Preparation Tips
Selected
I applied via Walk-in and was interviewed in Apr 2024. There was 1 interview round.
(1 Question)
- Q1. How many years of experience
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