An air-weather barrier (AWB) is required to be vapor permeable. Why?
What will be an ideal response?
An AWB is placed on the outside face of a wall assembly just behind the exterior cladding. It should be vapor permeable so that the vapor that migrates from the interior of a building into the assembly does not get trappedwithin the assembly, where it might condense and wet the insulation and corrode fasteners.
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While using a test light to check for voltage, the lamp illuminates bright. Technician A says this indicates that the circuit can handle the load that is required by the test light. Technician B says the amperage to turn on the light is dependent on the type and rating of the bulb. Who is correct?
A. Technician A only B. Technician B only C. Both Technician A and B D. Neither Technician A nor B
The TP sensor indicates the engine is idling but the MAP sensor indicates the engine is under a heavy load. This could cause a DTC to set for the ________
A) TP sensor B) MAP sensor C) Either A or B D) Neither A nor B
The temperature difference between the hot water entering the tower and the cold water leaving the tower is known as:
A) Heat load. B) Wet-bulb depression. C) Cooling range. D) Approach.
Motors are intended to operate on systems with balanced voltage.
Answer the following statement true (T) or false (F)