This is the HVAC interview questions and answers/ HVAC Job Interview Part-1/ HVAC questions and answers in Urdu/ Top HVAC interview questions/ HVAC Interview Part-1 video for engineering job searching candidates. In this series of videos, I will explain the job interview questions and answers asked commonly regarding HVAC in a simple way in Urdu/Hindi language. This is basic Heating, Ventilation & Airconditioning (HVAC) information for juniors or beginners as well as senior Engineers, Technical Staff, and hope, this video will be helpful to learn & grow for you. If you found anything which is inappropriate then convey it in the comments for my information and rectification in the future.

Following HVAC questions' answers explained:
0:37 What is the difference between a 2 way valve and a 3 way valve?
3:33 Which is better 2 way or 3 way valve according to the HVAC system?
7:07 Where do we use 2 way and 3 way valves in chilled water and why?
11:18 What is the difference between 3 way mixing and diverting valve?
13:54 Can 3 way valve be converted into 2 way valve?
15:05 How to draw a sketch of FCU and Pump chiller water connection with all accessories?

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