Questions with Complete Solutions
(Latest 2025)
The best way to use this set, is to use it as a flash card. flip
the card once you make a decision. If you use the "learn with
quiz feature, it'll be pretty easy as you will have 3 different
options than the ones shown on the card.
If you are seeing this first you're good to continue.
Any calculations I do in the explanations are done with Pii as
the calculator number 3.141592654
I also don't round anything until the very very end. - Correct
Answers ✅The best way to use this set, is to use it as a
flash card. flip the card once you make a decision. If you see
this first without flipping the card, you need to adjust your
settings.
the higher you are from sea level the __________________ the
atmospheric pressure
higher
lower
does not change - Correct Answers ✅lower
atmospheric pressure at sea level is
29.4 KPa
1 psia
1.01 bar
14.7 psig - Correct Answers ✅1.01 bar
,Millwright level 3 - All practice tests in 1
Questions with Complete Solutions
(Latest 2025)
a vacuum occurs when the pressure in a confined space is
less than the pressure around it. a perfect vacuum is
0 psia
-14.7 psig
6.9 KPa
all the above
both the 1st and 2nd answers are correct - Correct Answers
✅both 1st and 2nd answers are correct
a manometer is an accurate means of reading a vacuum
true
false - Correct Answers ✅true
a compressor is working at a high attitude. if you compared it
to one running at a low altitude machine, the high altitude
machine would produce___________________ compressed air
over the same time period
more
less
the same
any of the above - Correct Answers ✅less
,Millwright level 3 - All practice tests in 1
Questions with Complete Solutions
(Latest 2025)
if you calculated the power consumption of the compressors
in the above question, the ______________ would use more
power in the same time period
machine at high altitude
machine at low altitude - Correct Answers ✅machine at
low altitude
to create flow in a compressed air system, you will need
a______________
restriction
manometer
pressure differential
a storage tank - Correct Answers ✅pressure differential
if you heat a gas in a confined space, the pressure will go
_______________because the molecules move _____________
down, faster
down, slower
up, slower
up, faster - Correct Answers ✅up, faster
the absolute scale that works with Celsius is the
_______________
, Millwright level 3 - All practice tests in 1
Questions with Complete Solutions
(Latest 2025)
Rankine
kelvin
fahrenheit
vacuum - Correct Answers ✅kelvin
convert 180 degrees F to degrees C ----- formula is C=(F-32) x
5/9
102
92
82
72 - Correct Answers ✅82
convert 250 F to degrees K absolute. ------Formula is degrees
C + 273
594
494
394
294 - Correct Answers ✅394
Pascal's law states
energy cannot be created nor destroyed
kinetic energy and potential energy in a flowing pipe will be
constant