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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
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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) 2 / 3
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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
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