The ________ stores liquid refrigerant.
a. evaporator
b. receiver
c. filter-drier
d. sight glass.
Give this one a try later!
b. receiver
,What type of crane signal includes pointing the index finger to the ground and
moving it in a circular motion?
a. hoist
b. lower
c. boom down
d. boom out
Give this one a try later!
b. lower
The beveled edge of an orifice plate is installed with the bevel _____.
a. upstream
b. downstream
c. either upstream or downstream
d. none of the above.
Give this one a try later!
b. downstream
What is the radius of an 8" welded long radius 45 degree elbow?
a. 5"
b. 8"
c. 12"
d. 18"
Give this one a try later!
, c. 12"
A _______ evaporator has refrigerant surrounding the tubes and chilled water is inside
the tubes?
a. flooded
b. dry
c. direct
d. DX
Give this one a try later!
a. flooded
__________ is when two of more metals are mixed.
a. tempering
b. annealing
c. blending
d. alloying
Give this one a try later!
d. alloying
What can happen if an orifice plate is installed backwards?
a. decreased friction loss
b. erratic readings
c. decreased flow rate
d. nothing
, Give this one a try later!
b. erratic readings
A ____ valve installed backwards on a steam system may be used as a vacuum breaker.
a. triple duty
b. globe
c. check
d. ball
Give this one a try later!
c. check
Before attaching a pressure regulator to a compressed gas cylinder, _______.
a. clean the regulator threads with a petroleum based solvent
b. blow the valve for a moment
c. adjust the regulator to its maximum to check output
d. do nothing
Give this one a try later!
b. blow the valve for a moment
What is not a provision for location a cooling tower?
a. prevailing winds
b. noise
c. fan size
d. space to a structure
a. evaporator
b. receiver
c. filter-drier
d. sight glass.
Give this one a try later!
b. receiver
,What type of crane signal includes pointing the index finger to the ground and
moving it in a circular motion?
a. hoist
b. lower
c. boom down
d. boom out
Give this one a try later!
b. lower
The beveled edge of an orifice plate is installed with the bevel _____.
a. upstream
b. downstream
c. either upstream or downstream
d. none of the above.
Give this one a try later!
b. downstream
What is the radius of an 8" welded long radius 45 degree elbow?
a. 5"
b. 8"
c. 12"
d. 18"
Give this one a try later!
, c. 12"
A _______ evaporator has refrigerant surrounding the tubes and chilled water is inside
the tubes?
a. flooded
b. dry
c. direct
d. DX
Give this one a try later!
a. flooded
__________ is when two of more metals are mixed.
a. tempering
b. annealing
c. blending
d. alloying
Give this one a try later!
d. alloying
What can happen if an orifice plate is installed backwards?
a. decreased friction loss
b. erratic readings
c. decreased flow rate
d. nothing
, Give this one a try later!
b. erratic readings
A ____ valve installed backwards on a steam system may be used as a vacuum breaker.
a. triple duty
b. globe
c. check
d. ball
Give this one a try later!
c. check
Before attaching a pressure regulator to a compressed gas cylinder, _______.
a. clean the regulator threads with a petroleum based solvent
b. blow the valve for a moment
c. adjust the regulator to its maximum to check output
d. do nothing
Give this one a try later!
b. blow the valve for a moment
What is not a provision for location a cooling tower?
a. prevailing winds
b. noise
c. fan size
d. space to a structure
