Which of the following electrical industry pioneers invented the first practical AC motor?

The Department of Energy study found that _?_ of all generated electricity is consumed by electric motors.

A motor _?_ is a device that governs the performance of an electric motor in a predefined manner?

_?_ is a Washington DC based standards organization which develops standards for motor control equipment.

Which of the following four documents is not produced by the IEC?

In which of the following NEMA standards would information about a controller's interrupting capacity be found?

Manually-operated pilot devices are actuated by a(n) __?

Which type of pushbutton operator has the operating surface even with the mounting ring on the operator?

The two parts of a pushbutton switch are the __?__ and the contact block.

What type of switch can be used to manually change the direction of rotation of a three-phase motor?

The rule of thumb is that audible alarms or notification devices should be _?_ dB higher than the loudest ambient noise present in a control environment.

Which type of control devices are designed for the control of systems where failure free operation of the control system is of primary concern?

Which of the following types of control devices would not be considered as an automatic pilot device?

Which of the following is not a component in a standard limit switch?

The term used to describe the distance or angle of the actuator movement beyond the operating position is called the _?_

Which types of pressure sensing devices have a maximum pressure level of about 300 psi?

_?_ switches are actuated when additional gas or liquid is removed from the system.

Another name for the neutral zone within a sensor’s signal range where no action occurs or the system is dead is the _?_

Sprinkler pipe, cooling lines, air compressors, and HVAC ductwork are examples where a _?_ switch might be used.

Which of the following is not part of a solenoid?

A relay is an electromagnetically controlled _?_

NEMA machine control relays may be rated up to _?_ amp(s).

Contacts on relays which can be configured as either normally open contacts or normally closed contacts are called _?_ contacts.

A motor control drawing used the symbols “A1” and “A2”. What feature do these symbols represent?

What term is used to describe a relay used to switch a high-power circuit using a low-power control voltage in a control circuit?

The use of fuses on the primary and secondary side of a control transformer is specified by the _?_

A control transformer contains dual 240 VAC primary windings and a single 120 VAC secondary winding. Which transformer terminal(s) would be connected through a fuse to one phase of the 240 VAC power source when connecting the transformer in a motor control circuit?

Which of the following procedures would not be a standard procedure for troubleshooting a control transformer failure identified in the text?

When troubleshooting transformer failures, primary and secondary voltage measurements should be made in which of the following load conditions?

Which of the following characteristics can be used to describe IEC devices?

The ___ switch is the modern equivalent of the knife switch used in early motor control circuits.

Which of the following characteristics can be used to describe NEMA devices?

Which class of overload relays is typical for IEC motor starters?

Electrical hold or start pushbutton sealing circuits require _?_ (how many) normally open contacts and _?_ (how many) normally closed contacts on a motor starter.

Which of the following is not typically identified as a type of overload relay?

In standard overload relays using current transformers, the maximum current in the secondary winding is _?_ amp(s).

Ambient temperature is a disadvantage when using _?_ overload relays.

An integral motor protection device is used to protect a motor by sensing excessive motor _?_.

The minimum NEMA classification acceptable for an enclosure housing a motor starter in an outdoor area which is subject to hose-directed water and located in a non-corrosive environment would be a Type _?_ enclosure.

Which type of timer may have a timing range that varies from less than a second to more than a year?

A DODE timer has a single normally open contact. If the timer is set for a 15 second delay, which of the following scenarios describes when the contact will change state from open to closed in the timing sequence?

Sources of energy which drive machines are identified as   ?   movers.

Which of the following symbols shows a normally open IEC relay contact?

Which of the following components can be found on a magnetic motor starter, but not on a magnetic contactor?

Examine the following ladder diagram, and indicate which device represents the overload device for the motor starter.

What type of timer contact could be used to maintain lighting in a building until everyone has left the building, once the light switch has been switched off?

What type of timer contact would be used to turn off a pilot lamp 30 seconds after a motor is started using three-wire control?

Schematic diagrams are used to show the   ?  .

In a three-wire control circuit, the logic function represented when a START pushbutton is in parallel with a holding contact which is a part of the motor starter, is a(n)   ?   logic circuit.

Which of the following symbols represents a normally open IEC pushbutton switch?

Which of the following symbols represents the “UP” contact on a 4 contact Joystick controller?

The following symbol represents a normally closed IEC automatic switch which would measure   ?  .

When comparing NEMA devices with IEC devices, NEMA motor starters are generally?

The size of motors, when rated using the IEC unit of measurement, are classified by?

A   ?   light allows up to four lamps in a single pilot light.