recap the previous session 5

The abbreviation most used for a pushbutton switch is ________.

• PB

• P

• S

• BUT

Ladder diagrams show

• the physical location of components.

• pictorial representation of components.

• the electrical connections.

• all of these

The two basic parts of a typical motor circuit are the

• line circuit and load circuit.

• control circuit and power circuit.

• high voltage circuit and low voltage circuit.

• open circuit and closed circuit.

On electrical diagrams, conductors that cross each other and make contact are represented by a heavy __________ at the junction.

• dot

• cross

• x

• omega

The circuits on most motor control schematics can be broken down into being part of the __________ circuit or the __________ circuit.

• power, control

• series, parallel

• single phase, three phase

• series, control

For a __________ connection of loads, the voltage across load is the same as that of the applied voltage.

• parallel

• Series

• cross

• distributed

The __________ is the electrical device in a ladder diagram that uses the power supplied from L1 to L2.

• load

• switch

• contacts

• fuse

Additional START or ON control devices are wired

• in series

• to relays

• in parallel

• to ground

To differentiate between NO and NC contacts on a ladder diagram, NC contacts are identified as a number which is

• in bold print form.

• underlined.

• in italic form.

• all of these

On a ladder diagram, all wires that connect to a common point are assigned __________.

• the same numbers

• letters

• different numbers

• Roman Numerals