Relay coils and the contacts they operate are not shown in the same place on a schematic diagram because:
A) There is not enough room to draw them in the same place.
B) Schematic diagrams typically only show where to connect the power wiring.
C) The coil and contacts are located in different places in the unit.
D) Components are placed by their function in the circuit, not their actual physical location.
[Ques. 2] The part of an AC induction motor that induces the current flow in the rotor is called:
A) The rotor. B) The stator. C) The field. D) The armature.
[Ques. 3] Which of the following is a good suggestion when bending the furnace plenum flange to minimize distortion?
A) Make a series of smaller angled bends along the length of the flange.
B) Make a series of rips along the length of the flange.
C) Make a series of larger angled bends along the length of the flange.
D) Make a series of smaller angled bends along the width of the flange.
[Ques. 4] How can a multistage thermostat be applied to control an electric furnace?
A) The strips will receive 120 volts in the first stage and 240 volts in the second stage.
B) The blower will come on in the first stage and the strips in the second stage.
C) The strips will come on in the first stage and the fan in the second stage.
D) Fifty percent of the strips will be energized in the first stage and the rest in the second stage.
[Ques. 5] In ladder diagrams, component symbols are placed:
A) In sequential order according to each component's model number.
B) By their function in the circuit.
C) By their actual physical location in the unit.
D) Only at the intersection points.
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