1|Page
Exam 955 MSS - Test 1|Actual
Questions And Answers 2026
What type of current are batteries normally?
A. DC
b. AC
c. Eddy
d. Electron flow - correct-answer - DC
What is the smallest unit of an element? - correct-answer - Atom
In the left-hand rule of magnetism, what direction does the thumb point?
A. In the direction of current flow b. In the opposite direction of electron flow
,2|Page
C. In the direction of voltage flow d. In the direction of the pulI of gravity - correct-
answer - In the direction of current flow (- to +)
If amperage increases and voltage stays the same, what has happened to the
resistance? - correct-answer - It has decreased
Grommets are used on a wire way for what purpose? - correct-answer -
Protection of wiring insulation
How do you reverse the turn direction of a three phase motor? - correct-answer -
Switch 2 of the hot legs
One horsepower is equal to how many watts? - correct-answer - 746W
, 3|Page
What is the peak to peak voltage if the VRMS is 70.7? - correct-answer - 198VP-P
(70.7 x 1.414 x 2= 198 Vp-p)
When replacing a fuse what should you consider? - correct-answer - voltage,
amperage, and type (the most important is amperage)
An NPN uses what kind of polarity voltage at its base to turn it on? - correct-
answer - Positive (Emitter, Collector= negative)
What is the housing of an electronic circuit called? - correct-answer - Chassis
What common device can be used to convert analog to digital? - correct-answer -
Diode
Exam 955 MSS - Test 1|Actual
Questions And Answers 2026
What type of current are batteries normally?
A. DC
b. AC
c. Eddy
d. Electron flow - correct-answer - DC
What is the smallest unit of an element? - correct-answer - Atom
In the left-hand rule of magnetism, what direction does the thumb point?
A. In the direction of current flow b. In the opposite direction of electron flow
,2|Page
C. In the direction of voltage flow d. In the direction of the pulI of gravity - correct-
answer - In the direction of current flow (- to +)
If amperage increases and voltage stays the same, what has happened to the
resistance? - correct-answer - It has decreased
Grommets are used on a wire way for what purpose? - correct-answer -
Protection of wiring insulation
How do you reverse the turn direction of a three phase motor? - correct-answer -
Switch 2 of the hot legs
One horsepower is equal to how many watts? - correct-answer - 746W
, 3|Page
What is the peak to peak voltage if the VRMS is 70.7? - correct-answer - 198VP-P
(70.7 x 1.414 x 2= 198 Vp-p)
When replacing a fuse what should you consider? - correct-answer - voltage,
amperage, and type (the most important is amperage)
An NPN uses what kind of polarity voltage at its base to turn it on? - correct-
answer - Positive (Emitter, Collector= negative)
What is the housing of an electronic circuit called? - correct-answer - Chassis
What common device can be used to convert analog to digital? - correct-answer -
Diode
