When hanging flexible duct, the hanging material should be at least:
A) 1 in wide and spaced no further than every 5 ft.
B) 2 in wide and spaced no further than every 12 ft.
C) 1 in wide and spaced no further than every 12 ft.
D) 2 in wide and spaced no further than every 5 ft.
D
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While having a discussion,Technician A says that a plugged screen can ruin a new engine in a very short time. Technician B says that a plugged screen has no effect on the engine. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
What do protozoa feed on in the soil?
What will be an ideal response?
Why is a heat pump called a heat pump?
A) All heat pumps use a pump that is constructed like a centrifugal water pump, but is used to pump heat molecules instead B) Because heat pumps must be pumped up with refrigerant pressure before they can operate C) The conversion of electricity into heat has the effect of pumping heat into the heated space D) It moves heat from a low temperature heat source to a higher temperature heat sink
When a plant or animal matures, it stops growing and uses cell division to heal wounds.
Answer the following statement true (T) or false (F)