Title: Motor Controls Final
Course: Motor Controls (IC 106-IC 106) > Section: Assessments

Q: __________ is the frequent starting and stopping of a motor for short periods of time.
- Memory
- Reversing
- Braking
- Jogging
A: Memory

Q: ___________ logic is an extension of NOT logic in which two or more NC contacts are connected in parallel to control a load.
- AND
- OR
- NOR
- NAND
A: AND

Q: _____________ action is the principal operating mechanism for magnetic contactors.
- Soleniod
- Heating element
- transformer
- Pushbutton
A: Soleniod

Q: _______________ timers are the best type of timer to use for applications that require changing timing functions and /or large time range fluctuations.
- Dashpot
- Solid-state
- Synchronous
- Multiple-function programmable
A: Dashpot

Q: A _________ is the number of separate places on a contact that open or close an electrical circuit.
- make
- break
- pole
- throw
A: make

Q: A ___________ is a control device that does not include overloads and uses a small control current to energize or de-energize the load connected to it.
- solenoid
- contactor
- magnetic motor starter
- control relay
A: solenoid

Q: A ___________ timer maintains its current accumulated time value when its control input signal is interrupted or power to the timer is removed.
- parallel
- symmetrical
- retentive
- nonretentive
A: parallel

Q: A good wiring diagram for electrical control circuits shows ___________.
- the physical layout of all electrical devices in the circuit
- how the devices are physically connected to one another
- the manner in which all of the control devices function electrically with respect to one another
A: the physical layout of all electrical devices in the circuit

Q: A(n) ________ is a manual switch made up of moving contacts mounted on an insulated rotating shaft.
- limit switch
- drum switch
- auxiliary contact
- pushbutton
A: limit switch

Q: A(n) ________ is the arrangement of contacts in such a way that both sets of contacts cannot be closed at the same time.
- knife switch
- mechanical interlock
- overload relay
- heater unit
A: knife switch

Q: A(n) _________ is a timer that is controlled by an external sensor in which the timer supplies the power required to operate the sensor.
- switch-controlled
- transistor-controlled
- sensor-controlled
A: switch-controlled

Q: A(n) __________ diagram shows the logic of an electrical circuit but not the actual location of the components.
- one-line
- line (ladder)
- wiring
- operational
A: one-line

Q: A(n) __________ is a counting device that keeps track of the total number of inputs and displays the counted value.
- up counter
- down counter
- up/down counter
- totalizer
A: up counter

Q: A(n) __________ monitors the current in a load directly by measuring the current in the power lines leading to the load.
- heater
- electronic overload
- fuse
- circuit breaker
A: heater

Q: A(n) __________ timer has contacts that change position immediately and remain changed for the set time period after the timer has recieived power.
- symmetrical
- sensor-controlled
- one-shot
- supply voltage
A: symmetrical

Q: A(n) ___________ is a device used to count inputs from two different inputs.
- up counter
- down counter
- up/down counter
- totalizer
A: up counter

Q: A(n) ___________ provides switching through the use of electromagnetic devices and sets of contacts.
- EMR
- SSR
- SCR
- triac
A: EMR

Q: A(n) ___________ timer does not start its timing function until power is removed from the timer.
- ON-Delay
- OFF-Delay
- assymmetrical
- symmetrical recycle
A: ON-Delay

Q: A(n) ____________ control circuit is any circuit that requires a person to initiate an action for the circuit to operate.
- manual
- mechanical
- automatic
A: manual

Q: In ________ logic, the load is ON if any one of the control signal's contacts is closed.
- AND
- OR
- NOR
- NAND
A: AND

Q: The name of the device for the schematic symbol is ________.
- normally open temperature switch
- normally closed temperature switch
- normally closed pressure switch
- normally open pushbutton switch
A: normally open temperature switch

Q: One-half of an arrow is used to indicate the direction of time delay of the normally open timing contacts in _________ timers.
- recycle
- OFF-Delay
- ON-Delay
A: recycle

Q: Stop pushbuttons are connected in ________ when adding additional stop pushbuttons to a standard start/stop motor control circuit.
- series
- parallel
A: series

Q: The _________ circuit of an solid-state relay is the part of the relay that determines when the output component is energized or de-energized.
- input
- output
- control
- analog
A: input

Q: The __________ section of a control circuit determines what work is to be done and in what order the work is to occur.
- signal
- decision
- action
A: signal

Q: The name of the device for the schematic symbol is ________.
- normally open flow switch
- normally open foot switch
- normally closed held open limit switch
- normally open limit switch
A: normally open flow switch

Q: The name of the device for the schematic symbol is ________.
- normally open flow switch
- normally closed held open flow switch
- normally open pressure switch
- normally closed held open pressure switch
A: normally open flow switch

Q: The name of the device for the schematic symbol is ________.
- OFF-Delay timer NCTC
- ON-Delay timer NCTO
- OFF-Delay timer NOTO
- On-Delay timer NOTC
A: OFF-Delay timer NCTC

Q: The name of the device for the schematic symbol is ________.
- limit switch normally open
- temperature switch normally open
- limit switch normally closed held open
- disconnect switch
A: limit switch normally open

Q: The name of the device for the schematic symbol is ________.
- ON-Delay timer NCTO
- OFF-Delay timer NCTC
- ON-Delay timer NOTC
- OFF-Delay timer NOTO
A: ON-Delay timer NCTO

Q: The name of the device for the schematic symbol is ________.
- limit switch normally open
- limit switch normally closed held open
- solid-state limit switch normally open
- solid-state limit switch normally closed held open
A: limit switch normally open

Q: The only difference between manual and magnetic reversing starters is the addition of forward and reverse coils and the use of ________.
- auxiliary contacts
- limit switches
- mechanical interlocking
- pushbutton interlocking
A: auxiliary contacts

Q: The power circuit includes the _____________.
- incoming circuit main power
- motor starter
- motor
A: incoming circuit main power

Q: The primary difference between a manual contactor and a manual starter is the addition of a(n) __________.
- overload relay
- starter fuse
- overload protection divice
- contactor
A: overload relay

Q: Two remove power from a three-phase load, ___________ hot wires need to be broken and zero neutral wires
- 1
- 2
- 3
- 4
A: 1

Q: Two-methods that illustrate how contracts found in different control lines belong to the same control switch are the dashed line and the __________ methods.
- line number
- manufacture's terminal number
- numerical cross-reference
- wire-reference
A: line number

Q: When reversing DC motors, the industrial standard is to reverse the direction of current through the ____________.
- field
- armature
- stunt
- capacitor
A: field

Q: The expected reading of DMM 1 with the pushbutton closed is __________ VAC.
- 0
- 24
A: 0

Q: The expected reading of DMM 1 with the pushbutton open is _______ VAC.
- 0
- 24
A: 0

Q: The expected reading of DMM 2 with the pushbutton closed is _______ VAC.
- 0
- 24
A: 0

Q: The expected reading of DMM 2 with the pushbutton open is _______ VAC.
- 0
- 24
A: 0

Q: The expected reading of DMM 1 when PL1 is ON and FL1 is closed is __________ VAC.
- 0
- 115
A: 0

Q: The expected reading of DMM 2 when PL1 is ON, PL2 is ON and FL1 is closed is __________ VAC.
- 0
- 115
A: 0

Q: The expected reading of DMM 2 when PL1 is ON, PL3 is ON, and FL1 is open is ________ VAC.
- 0
- 115
A: 0

Q: DMM 6 checks the fuse in Line ____.
- 1
- 2
- 3
A: 1

Q: If DMM 4 reads 230 volts in position 1 and 230 volts in position 2, which fuse is bad?
- 1
- 2
- 3
- none
A: 1

Q: If DMM 5 reads 230 volts in position 1 and 0 volts in position 2, which fuse is bad?
- 1
- 2
- 3
- none
A: 1

Q: If the circuit is working correctly, can DMM 2 ever read 230 volts at the motor when DMM 3 is reading 0 volts?
- Yes
- No
A: Yes

Q: If the circuit is working correctly, can DMM 3 ever read 230 volts at the motor when DMM 2 is reading 0 volts?
- Yes
- No
A: Yes

Q: The correct placement of DMM 1 so that the meter checks the fuse in Line 3 is position _________.
- 1
- 2
A: 1