NEW
Font size
WorksheetsRecap the previous session 6
Total questions: 10
Worksheet time: 5mins
A normally open contact will ________ when its de-energized and ________ when its bit is energized:
Close, Open
Closed, Close
Open, Open
Open, Close
The main switch used for Amatrol motor control lab is known as:
Push button
Drum switch
Safety switch
Selector switch
Which of the following switches requires a holding contact?
Safety switch
Push button
Drum switch
Selector switch
The motor speed is measured using an instrument called:
Spectrometer
Tachometer
Torquemeter
Luxmeter
The term _________ describes any control operation in which a function, motion, or operation can be caused either to occur (lock-in) or to be prevented from occurring (lock-out), simultaneously with another function, motion, or operation.
overload
lock
interlock
relay
The motor type of the one used in the Amatrol motor control lab is.
single phase induction motor
three phase induction motor
slip ring three phase motor.
Synchronous three phase motor
Each horizontal line Ladder Diagram is referred to as:
Group
Period
Row
Rung
The _________ PB switch serves to initiate a run condition of the motor and must be wired in parallel with a set of _________ auxiliary contacts on the motor starter to seal in the start action.
NO Start; NC
NC Start, NO
NC Start, NC.
NO Start; NO
The voltage across the safety switch terminals (L1 L2) is approximately.
400 milli volt
380 milli volt
.35 KV
.380 volt
The current rating of the recent activity which has been done at Amatrol motor control lab was approximate.
fifty times 10 milli ampere
A fifty milli ampere
A unity ampere
A unity milli ampere
