How does a closed expansion tank work?
A) It uses a flexible diaphragm with an air charge above the diaphragm.
B) The walls of the tank are made of a flexible material.
C) The top of the tank is open to the atmosphere.
D) Air is trapped at the top of the tank.
D
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The gas tungsten arc welding (GTAW) process is sometimes referred to as TEG.
Answer the following statement true (T) or false (F)
Why is it that for-profi t companies rely on sources, such as the federal government for economic incentives and subsidies, rather than paying for their own R&D projects?
What will be an ideal response?
The stationary magnet of a DC motor is represented by the _____
a. armature b. field poles c. commutator d. rotor
The length of nails commonly used for vinyl siding is usually between ________
A) 1" and 1-1/2" B) 1/2" and 1" C) 1" and 2" D) 3/4" and 1-1/4"