USPS 955 test review Fully solved & Updated (Graded
A+)
These questions are designed for multiple choice - answer
What is a transistor? - answer A semiconductor device used to amplify and switch electronic
signals or electrical power
Protects pneumatic system from failure? - answer Pressure relief valve
What happens when pneumatic system sue is compressed? - answer - volume is reduced
- temperature is increased
These two things aid performance of pneumatic system - answer - storage tank
- accumulator
What is EP Grease? - answer Extreme pressure grease
What happens if a transistor is saturated? - answer It gets shorted
EP grease is best used for - answer High temperature / Low speed
What controls heavy electrical current? - answer Shunt
Used for pilot light detection - answer Thermocouple
3 fatal shock factors - answer - path for current flow
A+)
These questions are designed for multiple choice - answer
What is a transistor? - answer A semiconductor device used to amplify and switch electronic
signals or electrical power
Protects pneumatic system from failure? - answer Pressure relief valve
What happens when pneumatic system sue is compressed? - answer - volume is reduced
- temperature is increased
These two things aid performance of pneumatic system - answer - storage tank
- accumulator
What is EP Grease? - answer Extreme pressure grease
What happens if a transistor is saturated? - answer It gets shorted
EP grease is best used for - answer High temperature / Low speed
What controls heavy electrical current? - answer Shunt
Used for pilot light detection - answer Thermocouple
3 fatal shock factors - answer - path for current flow
