HVAC CONTRACTOR EXAM.
QUESTIONS WITH CORRECT
VERIFIED ANSWERS 2026-2027.
GRADED A
A 10' x 10' wall with a R value of 11 and a temperature difference of 35
degrees would have a transmission loss of?
a. 315 btuh
b. 38,500 btuh
c. 546 btuh
d. 1245 btuh - ANS315 btuh
A company is contracted to construct and deliver a product by March 1st.
The items do not arrive until March 2nd. What type of contract violation
would this be?
a. Whole breach
b. Immaterial breach
c. Negative breach
d. Material breach - ANSImmaterial breach
A condensing appliance shall have a ___ where damage can occur
a. Clean out
1
,b. Auxiliary drain pan
c. Trap
d. Tight connection - ANSAuxiliary drain pain
A connector shall not be smaller than?
a. The flue collar of the appliance
b. 4"
c. 3"
d. 6" - ANSThe flue collar of the appliance
A contractor is ready to receive a progress payment of $15,000. Assuming
a retainage of 10% how much does the contractor receive
a. $15000
b. $1500
c. $13500
d. $16500 - ANS$13500
a precisely sized drilled hole through which gas flows from the manifold to
the burner is known as what
a. spud
b. drill size
c. orifice
d. dimple - ANSorifice
2
, A psychrometer is an instrument that the technician can use to obtain
which of these readings
a. Wet bulb temperature
b. Barometric pressure
c. Air velocity
d. External static pressure - ANSWet bulb temperature
a service technician should adjust the superheat setting on a TXV how
often
a. never
b. when absolutely necessary
c. once a month
d. routinely - ANSwhen absolutely necessary
a system with a 120 degree saturation temperature in the condenser with
R-22 has a liquid line temperature of 105 degrees. what does the
temperature difference of 15 degrees represent?
a. superheat
b. wet bulb
c. subcooling
d. air temperature difference - ANSsubcooling
3
QUESTIONS WITH CORRECT
VERIFIED ANSWERS 2026-2027.
GRADED A
A 10' x 10' wall with a R value of 11 and a temperature difference of 35
degrees would have a transmission loss of?
a. 315 btuh
b. 38,500 btuh
c. 546 btuh
d. 1245 btuh - ANS315 btuh
A company is contracted to construct and deliver a product by March 1st.
The items do not arrive until March 2nd. What type of contract violation
would this be?
a. Whole breach
b. Immaterial breach
c. Negative breach
d. Material breach - ANSImmaterial breach
A condensing appliance shall have a ___ where damage can occur
a. Clean out
1
,b. Auxiliary drain pan
c. Trap
d. Tight connection - ANSAuxiliary drain pain
A connector shall not be smaller than?
a. The flue collar of the appliance
b. 4"
c. 3"
d. 6" - ANSThe flue collar of the appliance
A contractor is ready to receive a progress payment of $15,000. Assuming
a retainage of 10% how much does the contractor receive
a. $15000
b. $1500
c. $13500
d. $16500 - ANS$13500
a precisely sized drilled hole through which gas flows from the manifold to
the burner is known as what
a. spud
b. drill size
c. orifice
d. dimple - ANSorifice
2
, A psychrometer is an instrument that the technician can use to obtain
which of these readings
a. Wet bulb temperature
b. Barometric pressure
c. Air velocity
d. External static pressure - ANSWet bulb temperature
a service technician should adjust the superheat setting on a TXV how
often
a. never
b. when absolutely necessary
c. once a month
d. routinely - ANSwhen absolutely necessary
a system with a 120 degree saturation temperature in the condenser with
R-22 has a liquid line temperature of 105 degrees. what does the
temperature difference of 15 degrees represent?
a. superheat
b. wet bulb
c. subcooling
d. air temperature difference - ANSsubcooling
3
