Heat Pump Test ( Week 3)
Authored by Neymar boy
Science
University
NGSS covered
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12 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The temperature split across an indoor coil is normaly equal to a range of 17° to 21°.
True
False
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-4
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Nomenclature for the heat pump is different than a straight air conditioning system. The small copper line connecting the indoor and outdoor coils is known as the _______________.
gas
hot vapor
suction
liquid
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Typically, the minimum air flow for heat pump applications is __________________.
400 fpm/ton
400 cfm/ton
350 fpm/tom
450 cfm/ton
Tags
NGSS.MS-PS3-3
NGSS.MS-PS1-4
NGSS.MS-PS3-4
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
In the cooling mode, the refrigerant in the gas line is at a __(1)__ temperature and flowing __(2)__ the indoor coil.
1) - low
(2) - away from
(1) - high
(2) - towards
(1) - high
(2) - away from
(1) - low
(2) - towards
Tags
NGSS.MS-PS3-3
NGSS.MS-PS1-4
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The vapor line (gas line) of a heat pump system is sized to provide a minimum velocity of __________ in a horizontal run.
700 cfm
1500 fpm
700 fpm
1500 cfm
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
In the heating mode, which way is the liquid refrigerant inside the liquid line flowing?
from the compressor to the indoor coil
from the indoor coil to the outdoor coil
from the compressor to the outdoor coil
from the outdoor coil to the indoor coil
Tags
NGSS.MS-PS3-3
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
One of the reasons that the heat pump is so efficient is because it can achieve supply air temperatures similar to that of fossil-fuel (gas/oil) systems, usually around 140°F.
True
False
Tags
NGSS.MS-PS3-3
NGSS.MS-PS3-4
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