WorksheetsElectrical Drawings
Total questions: 20
Worksheet time: 10mins
This electrical Symbol represents
Normally open contact
Normally Closed contact
ballast resistor
Economy Resistor
The Electrical symbol represents
N/O contact
N/C contact
Ballast Resistor
Economy Resister
What type of relay is represented
Reyroll Type B6
Clifford and snell
Q Type
Keyswitch
From the diagram, the contactor's fixed contacts incorperate
Arcing horns
Flexible Braids
Removable links
Blow out Coils
From the Drawing Coil 51X/5 has ?
5 N/O contacts
5 N/C Contacts
5 N/O Contacts and 5N/C Contacts
Can not be determined
Components SD and BR are fitted to ?
Assit the coil pick- up time
Assist the coil Drop-off time
assist the coil pick-up voltage
Limit the coil operating current
The Circuit J1 - J3 can be completed when Test interlocks switch contact 43-1 is ?
Selected to TII Only
Selected to TIO only
Selected to TII or TIO
Selected to N
Relay 30/2 represents
Relay with a flag
Relay with manual reset
Relay with Auto reset
relay with varible resistor coil
205ES-2 is an emergency ?
N/C Push Button
N/O Auxillary contact
N/O Push button
N/CAuxillary contact
What type of motor is shown in the diagram ?
DC Series Motor
DC Shunt Motor
DC Compound Motor
DC Universal Motor
Remote open / Close relays are sometimes refered to as ?
Interpose Relays
Initiation Relays
Operation Relays
Opposition Relays
Symbol 33VC-1 represents
Pressure switch
Flow Switch
Limit Switch
Float Switch
From the drawing 2A-2 represents
N/C contact timed to open
N/C Contact timed to close
N/O contact timed to open
N/O contact timed to close
the starting Resistors are connected in the
Shunt field circuit
Series Field Cicuit
Compound circuit
Trim resistor Circuit
the shunt field trimming resistor is used for
Speed Adjustment
Syncronisation
Power factor correction
Preventing brush sparking
What type of starting is employed fo this motor
Auto Transformer
Star Delta
Induction
Direct On Line
From the drawing what type of contactor is this likely to be
Watford UCA
GEC
LSE
Reyroll
What type starting is used for this motor ?
AutoTransformer
Star Delta
Induction
Direct ON LIne
The dotted line on this drawing indicates
the switches and contact operate together
the switches and contact are located elseware
the switches and contact operate seperately
the switches and contact are located together
What type Contactors are likely used for this circuit
Watford UCA
GEC
LSE
Reyroll
