A single -ply roof (SPR) membrane is made of polymers (plastics), available in thermosetting type or thermoplastic type. Give examples of commonly used SPR membranes in both types of plastics.
What will be an ideal response?
Thermosetting type: EPDM SPR membrane.
Thermoplastic type: PVC and TPO SPR membrane.
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Answer the following statement true (T) or false (F)
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A heat pump thermostat will typically attempt to start the electric heat to supplement the heat pump when
the setpoint is _____. a. 1°F above the room temperature b. 1°F below the room temperature c. 2°F to 3°F above the room temperature d. 4°F to 5°F above the room temperature
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BCD encoders have a decimal input and a ________ output
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