If the air conditioning performance test shows less than 45° F at the center vent, the AC is working normally
Indicate whether the statement is true or false
TRUE
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If the gypsum board in a CFS interior partition extends the full height of the partition (i.e., from top track to bottom track) on both sides, the partition is considered as
A) fully braced. B) braced 12 in. on center if the stud spacing is 12 in. C) braced 16 in. on center if the stud spacing is 16 in. D) braced 24 in. on center if the stud spacing is 24 in. E) unbraced.
On a poorly running engine the wide band oxygen sensor can be quickly checked by ________
A) Disconnecting the sensor connector B) Jumping the connector with a flashlight battery C) Disconnecting the vehicle battery D) Jumping the connector with a jumper wire
What is the typical pressure setting for a relief valve at on a residential hot water boiler?
A) 12 psig B) 15 psig C) 160 psig D) 30 psig
Match the system characteristics in the second column with the correct system in the right column
A air source packaged heat pump B split system heat pump C mini-split heat pump D water source packaged heat pump 1. can connect multiple indoor sections to one outdoor section 2. entire unit sits inside the house 3. whole unit sits outside house 4. consists of an outdoor and an indoor section What will be an ideal response?