Deck 10: Schematics, Wiring Diagrams Circuit (1), Timed Starting for Three Motors Circuit (2)

Question 1

Because the current surge in starting multiple motors is too great for the system, there must be a delay between the starting of each motor.

Answer 1

True

Question 2

In the timed starting circuit, 10 seconds after coil TR2 energizes, contact ____ closes.

A) TR1
B) TR2
C) M2
D) STOP

Answer 2

TR2

Question 3

In the timed starting circuit, if one of the overload contacts opens while the circuit is energized, the effect is the same as pressing the ____________________ button.

Answer 3

STOP
stop
Stop

Question 4

What happens when the STOP button is pressed?

Question 5

When a relay is energized, all the contacts controlled by that relay change position.

Question 6

Schematics are used ____ to connect or troubleshoot a control circuit.

A) less than any other type of diagram
B) more than any other type of diagram
C) as a last resort
D) quite often, but not

Question 7

Wiring diagrams are sometimes used to install new control circuits, ____ used for troubleshooting existing circuits.

A) but they are never
B) but they are mostly
C) but they are seldom
D) and they are always

Question 8

Schematic diagrams are also known as line diagrams and ____________________ diagrams.

Question 9

____________________ diagrams show a picture of the control components with connecting wires.

Question 10

Give a brief overview of schematic diagrams.