Exam (elaborations)
NCCER HVAC LEVEL 1 MODULE 1-5 EXAM QUESTIONS WITH COMPLETE ANSWERS
- Course
- Institution
NCCER HVAC LEVEL 1 MODULE 1-5 EXAM QUESTIONS WITH COMPLETE ANSWERS
[Show more]
Content preview
NCCER HVAC LEVEL 1 MODULE 1-5EXAM QUESTIONS WITH COMPLETE
ANSWERS
In a hydronic heating system, the heat transfer medium is _____ - Answer-Water
Ultraviolet light is the best method used to ______ - Answer-Control the growth of
bacteria
In the mechanical refrigeration cycle, the purpose of the evaporator is to _____ -
Answer-Transfer heat from the indoor air to the refrigerant
A defrost cycle is required in ________ - Answer-refrigeration system
Phosgene gas can be produced when some refrigerants are exposed to ____ - Answer-
A flame
Mastic is a material used to _____ - Answer-Seal ductwork
A mechanical contractor is a company that ______ - Answer-Specializes in the
installation and repair of air conditioning systems
Building permits are usually issued by the _____ - Answer-Local government
Keeping your employer's interest in mind is an example of______ - Answer-loyalty
The minimum number of annual classroom hours required for an apprenticeship is
_____ - Answer-75
Engineering students are most likely to be employed by _____ - Answer-Mechanical
contractors
In a common household forced air furnace, heat is transferred from the ______ -
Answer-heat exchangers to the air
Water is often used in heating systems as a _____ - Answer-heat exchange medium
Ventilation is concerned with ______ - Answer-THE INTRODUCTION OF FRESH AIR
TO CONTROL INDOOR AIR QUALITY
The growth of bacteria and other harmful organisms can be reduced or eliminated by
_____ - Answer-ultraviolet light
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller biggdreamer. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
83100 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now