HVAC Interview Questions and Answers 2024

[@nejeebmullappalli7039]

I watched your video, good effort, below points need to clear ( if I am not wrong) Chilled water temperature to AHU 6 to 7 , air temperature ( off coil is 13 Deg) passing the coil is nearly 13 Deg. Elastomeric rubber and rock wool insulation Pre fabricated duct/PI-Pre insulated ducting and GI, Ducting ect,,, Fresh air ducts from FAHU needs insulation Below are the Questions which I have faced during Interviews. 1 .What is the different between DRV & PICV? 2. Draw the schematic diagram of ETS room piping layout? 3. Draw the AHU & Pumps piping connection? 4. What is the delta - T of the Plate Heat Exchanger? 5. What is maximum supply air temperature of FCU? 6. How to calculate the ESP of the fan? 7. What is the difference between the MSFD & MSD? Where is the application 8. Draw the FCU valve package? 9. Where is the application of die-electric union or coupler? 10. What is floating floor slab & application? 11. What is function of heat recovery wheel? 12. What is smoke management system in the typical corridor? 13. What is the Car Park Ventilation System? 14. What is Decoupler line and how to determine its size. 15. What is the efficiency of heat recovery wheel as per DM (Dubai Municipality) regulations 16. What is the ΔT for on coil and off coil temperature of FCU 17. Location of differential pressure sensor in CHW line 18. Location of valve and fittings from bend and TEE for max efficient flow of CHW 5 times of the dia of the Pipe. 19. How to overcome hot spot in airconditioned room 20. RH at cooling coil 21. How to calculate latent heat of an AC machine 22. Welding procedure for CHW piping. 23. Support interval for a CHW pipes 24. Air flow velocity of FCU and AHU

[@nagarajusabbiti6314]

Thank you brother ❤❤

[@ALFINSTEPHEN-z8g]

i am from India Kerala . I finished Mechanical Engineering (Btech) and Woked As Hvac - project engineer- design Section for 1 year in Kerala ( mostly was Using Autocad,Hap,Duct sizer, Pipe sizer) After that Joined an HVAC course And BIM course ( 5 month Course) And learned Revit and Navis work and Few more basics Of HVAC . I am coming to UAE ( Sharjah , my parents are There ) i want a job in This Field ( HVAC design) . What all should i do ?

[@ChaudharyAdarsh2080]

Sir, I'm very happy to see you. I have worked as an HVAC Ducting Supervisor in ETA Doha for more than 12 years. Thank you very much.

[@johnlinsonkunjumon06]

Any vacancy

[@ChaudharyAdarsh2080]

Where are you now? ​@@johnlinsonkunjumon06

[@meghantembe556]

Hey can you guide me ive interview at mumbai airport for mechanical engineer so many people tell me to prepare HVAC so can you tell me what are the questions as per fresher? Please

[@jithinjacob-yy3ch]

Thank you sir for such kind of valuable videos❤

[@faisalkim4739]

Wish! I could work under you..

[@jamsheerali7229]

Hi sir, what is the test pressure “for connecting copper piping “of Dx AHUs ?

[@mydeenmech3501]

Your class was very useful please upload so give many contents thanks you cheta

[@indianbulb3629]

Great sir

[@shabeelaboobacker8711]

good class.. thank you.

[@amjathhussain6877]

Hai eng. Pls explain ‘ Heat exchange for building why not using directly distric cooling system at building

[@rudrakumar-q7u]

insulation for nitral rubber insulation-25 mm thick at CHW system

[@rajamohamed6772]

Thanks for your support

[@pervaizgujjarofficial2220]

Thank so much sir

[@IMAGINE-06956]

Good ❤❤❤

[@intakhabalam3377]

Good explanation

[@alexrj8052]

Really helpful, appreciated your efforts 😊

[@techstar0191]

Sir 1 video in malayalam 😊

[@sukumar681]

Good sir❤

[@MunnaSingh-p1l]

Nice

[@danishali-ei7ko]

Sleeves or Arma flex insulation chilled water pipe

[@ParthPatel-zn6cw]

How do you calculate air flow designs?

[@muslimali3857]

You have good knowledge, but the way of teaching isn't good enough, and also not a simple. , dear Sir, please explain in simple way

[@Arif-khurshid]

👍

[@AdarshKp-rq9pg]

ചേട്ടാ മലയാളത്തിൽ ഒന്ന് പറയാമോ

[@yogeshghazipur1612]

Sir 1video hindi me bnaiye

[@Mohammedyunusquran]

Insulation name amoflex

[@hridwikkj9187]

Nitrile rubber

[@engr.khurrambashiranjumran9094]

Sir you have good knowledge about HVAC but your answers are not satisfactory Please elaborate in simple details.

[@Akku87255]

manasavanilya

[@faisalkim4739]

Nitrile Rubber

[@mohamedriyaz4098]

Rotttunnnddaaaa🤣

[@jayeshshah8504]

So DIFFICULT FOR U TO SAY COMPLETE ASHRAE HAVE TO LOOK MOBILE FOR FULL FORM. ?? 😂

[@zeyaulrehman483]

Pdhana chhod do

[@benahmedahmed831]

Preblam E2 model termosta SERVICE FIRST Trance Rooftop SENO 1577. Inned help