ATT TEST 11 EXAM NEWEST 2025 ACTUAL EXAM
COMPLETE 100 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+||BRAND NEW!!
Which position device rotates from one position to another
according to digital/analog input? - ANSWER-Position
generators
Which position device receives mechanical input and produces
analog/digital signal output? - ANSWER-Position sensor
Define position - ANSWER-location of object, defined in 1, 2,
or 3 dimensions in respect to reference
Torque and RPM depend on the _____ of the shaft - ANSWER-
Radius
What constant is used in power calculations when HP need to be
converted to FT-LBS? - ANSWER-9.55 (Torque X RPM)/9.55
,2|Page
What constant is used in power calculations when HP need to be
converted to ft-lbs? - ANSWER-5252.5 (Torque X RPM)/5252.5
What are two types of resolvers? - ANSWER-Induction and
resistance
Resolvers use what type of motion? - ANSWER-Circular
An induction resolver acts like which component? - ANSWER-
Transformer
Resistance resolvers are specifically designed _____? -
ANSWER-Potentiometers
What are two types of digital position sensors? - ANSWER-
Increment and wheel
The shaft of which digital position sensor must return to 0 prior
to each move - ANSWER-Increment wheel
Which digital position sensor would have 4 sensors? -
ANSWER-Encoder wheel (gray or 8421)
, 3|Page
What type of encoder wheel produces incorrect outputs during
transition? How is this overcome? - ANSWER-8421, overcome
by strobe track or using Gray code
In which speed controller does a low current control a high
current motor? - ANSWER-Relay controller
What are two types of starters? - ANSWER-Series and parallel
A large start torque requires a _____ start current - ANSWER-
Large
What type of controller is used in small DC motors with small
currents? - ANSWER-Solid state controllers (emitter follower)
What type of start/speed controller uses D/A converter and
comparator array? - ANSWER-Digital start/speed controller
What are two types of controllers used by DC motors? -
ANSWER-Amplitude and Time control