955 Questions and Correct Answers/ Latest Update / Already Graded

Page |1


955 Questions and Correct Answers/
Latest Update / Already Graded
An NPN uses what kind of polarity at its base to turn it on?

Ans: Positive


What common device can be used to convert analog to digital?

Ans: Diode


What does the color band on a diode indicate?

Ans: Cathode


What's is ESD?

Ans: (Electrostatic Discharge) The passage of a static electrical
charge from one item to another.


746 watts

Ans: One horsepower is equal to how many watts?


chassis



All rights reserved © 2025/ 2026 |

, Page |2


Ans: What is the housing of an electronic circuit called?


NPN and PNP

Ans: Name 2 bipolar transistors


Switch 2 of the hot legs

Ans: How do you reverse the turn direction of a three -phase
motor?


198VP-P

Ans: What is the peak voltage if the VRMS is 70.7?


shoulder

Ans: What is the raised part of a shaft called?


Permanent seal bearing

Ans: What type of bearing should not be greased?


To keep the pulley or gear from turning on the shaft



All rights reserved © 2025/ 2026 |

, Page |3


Ans: Why are key ways placed on a shaft?


Woodruff key

Ans: What is the name of a key that is placed in the keyway
that has one side flat and the other rounded?


Viscosity, cleanliness, grade

Ans: What is essential about oil?


Oil has a resevoir, lower viscosity, and oil flows

Ans: What is the difference between oil and grease?


Gearboxes

Ans: what is 90W oil typically used for?


Number 6 with 32 threads per inch

Ans: The number 6-32 means what to a screw or bolt?


1/4" shaft, 20 threads per inch



All rights reserved © 2025/ 2026 |