Exam (elaborations)
EPA 608 TYPE II ACTUAL EXAM QUESTIONS WITH VERIFIED ANSWERS
- Course
- Institution
EPA 608 TYPE II ACTUAL EXAM QUESTIONS WITH VERIFIED ANSWERS
[Show more]
Content preview
Page 1 of 26EPA 608 TYPE II ACTUAL EXAM QUESTIONS WITH
VERIFIED ANSWERS
When a unit is opened for servicing, the _______ should always be replaced.
a) thermostat
b) metering device
c) crankcase heater
d) filter-drier - answer-d) filter-drier
With an air-cooled condenser on the roof of a building and the evaporator
on the first floor, recovery should first occur: ___________.
a) from the vapor line entering the condenser
b) from the discharge of the compressor
c) from the liquid line entering the evaporator
d) on the suction side of the compressor - answer-c) from the liquid line
entering the evaporator
Heat Pumps that use R-410A should be leak checked with: ________.
a) HFCs
b) HCFCs to lower the cost of discarding the refrigerant
c) pressurized nitrogen
d) compressed oxygen - answer-c) pressurized nitrogen
, Page 2 of 26
A system can be evacuated to only atmospheric pressure when:
___________.
a) the repair is major
b) the repair is followed by an evacuation of the appliance to the
environment
c) leaks in the appliance make evacuation to the prescribed level
unattainable
d) the appliance is being disposed - answer-c) leaks in the appliance
make evacuation to the prescribed level unattainable
Moisture is removed from a system by: _________.
a) purging the condenser
b) draining the oil separator
c) reducing water flow to the condenser
d) using a filter drier - answer-d) using a filter drier
R-410A is different from other ASHRAE 400 series non-azeotropic blends
because: _______.
a) R-410A behaves as a near azeotropic refrigerant, and can be topped off
b) R-410A is a HCFC
c) R-410A uses mineral oil
d) all of the above - answer-a) R-410A behaves as a near azeotropic
refrigerant, and can be topped off
, Page 3 of 26
The fastest way to recover refrigerant from a system is to remove it in the
_______ phase?
a) final
b) initial
c) liquid
d) vapor - answer-c) liquid
A Recovery machine that uses a hermetic compressor will overheat when
drawing a deep vacuum because: ___________.
a) it runs faster than other equipment
b) the motor needs the flow of refrigerant through the compressor to
provide motor cooling
c) the oils used in hermetic compressors burn at lower temperatures
d) it has a higher compression ratio limit than other equipment - answer-
b) the motor needs the flow of refrigerant through the compressor to
provide motor cooling
The method to charge a system that has a normal charge of 80 pounds is
to charge with: ________.
a) vapor through the suction line service valve
b) liquid through the discharge service valve
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 docciel. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.59. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
76747 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now