2026/2027 WITH 165 QUESTIONS AND
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SACA MOTOR CONTROLS LATEST
EXAM
When checking a transformer with an ohmmeter, which of the following can you
check for? - ANSWER-Coils shorted to the core, Opens in coil, Shorts between
coils
Transformers are rated in units called Volt-Amperes (VA). - ANSWER-True
The NEC requires that for an output voltage higher than 50 VAC one side of a
control transformer secondary be connected to ground or both sides of the
secondary must be fused. - ANSWER-True
When a control transformer is used, NEC requires that both sides of the secondary
must be connected to earth ground. - ANSWER-False
A control relay is designed to switch components on and off only when it receives
a manual input. - ANSWER-False
,Which of the following is an application of a control relay? - ANSWER-
Energizing larger output devices, Performing control logic, Performing memory
logic
When a relay is connected so that it continues to energize itself after a momentary
input is removed, the circuit is called a __________. - ANSWER-Seal-in circuit
General-purpose relays are designed for light-duty industrial applications. -
ANSWER-True
Machine control relays are designed for light-duty industrial applications. -
ANSWER-False
__________ is a method of representing one component with several symbols in
various locations on a ladder diagram. - ANSWER-Detached symbology
Control relays are not capable of performing memory logic by themselves. -
ANSWER-True
One method of deenergizing a seal-in circuit is with a stop pushbutton. -
ANSWER-True
The minimum number of sets of contacts a motor starter has depends on the
number of power leads the motor requires. - ANSWER-True
Which of the following is a component of a magnetic motor starter? - ANSWER-
Coil, Overload, Auxiliary contacts
Two-wire control circuits provide low-voltage protection. - ANSWER-False
, Which of the following is not a typical input device used for two-wire control
circuits? - ANSWER-Pushbutton switch
A three-wire control circuit is not as safe as a two-wire control circuit. -
ANSWER-False
Three-wire control circuits are commonly used for start/stop pushbutton stations. -
ANSWER-True
A push-to-test pilot light allows the operator to test the indicator bulb to make sure
it works. - ANSWER-True
A push-to-test light is exactly the same as a regular indicator lamp, except it has a
special color lens. - ANSWER-False
Manual control systems require a pilot device to control the operation. -
ANSWER-False
The series of moves a machine has to make in order to perform a task is called a(n)
__________. - ANSWER-sequence of operation
Parts of an electrical system that should be connected to earth ground include
__________. - ANSWER-metal raceways, metal conduit, metal enclosures (all of
the above)
The __________ is the accepted standard in the United States for safely installing
and maintaining electrical systems and equipment. - ANSWER-NEC