(NOCTI Mechatronic) Review
If you inhale phenolic fumes what would happen to you? - -Trouble breathing
A _________ fire extinguisher should be used on an electrical fire. - -Class C
What does OSHA stand for? - -Occupational Safety & Health Administration
This type of drawing represents a three-dimensional object using several two-dimensional
views of the object. - -Orthographic
What are linear dimensions usually expressed in? - -Decimal or Fractional Units
What does a filled triangle represent in a fluid power diagram? - -Hydraulic Flow
What can happen if bolts and nuts are not properly torqued? - -They wear out quickly
and can cause failure.
What safety practice is used to prevent equipment from being energized? - -
Lockout/Tagout
A Safety Data Sheet (SDS) provides information about first aid measures, stability and
reactivity, and _____? - -Handling and Storage
Which of the following is not true of a title block? - -Format is the same from
company to company.
A NFPA 70E is a regulation that provides guidelines and details for ___________? - -
Electrical safety
GFCI devices are used for what purpose? - -To prevent a person from being
electrocuted.
A person with serious electrical injury should be moved only when _______. - -They
are in immediate danger
, BCTC Industrial Maintenance Technology AMTEC
(NOCTI Mechatronic) Review
What must be provided by chemical manufacturers, distributors, and importers to anyone
who will work with these potentially dangerous materials? - -Safety Data Sheet
(SDS).
You come across a fellow employee who is being electrocuted by becoming attached to a
live electrical circuit, what is the first thing you should do? - -Shut off the circuit.
What would slippery floors and cluttered walkways be considered in the workplace? -
-Physical hazards.
What tool is used to measure the turning force when tightening a fastener? - -Torque
Wrench
When working on an electrical, fluid power, or mechanical system a ____ procedure should
be performed to lock out the energy. - -LOTO
The section of a technical report which summarizes the report's contents is called what? -
-Abstract
What does a thick line represent in a schematic diagram? - -Current flow
A switch is an example of a _____ into a motor control circuit. - -input
How does the overload of a motor provide protection when current exceeds a
predetermined value? - -It opens a normally closed contact.
Overload protection is designed to protect the ______________ by disconnecting it from the
power source when an overload is sensed. - -Electric motor
Motors are normally protected from overload by a _______ device. - -thermal
T/F: A two-wire control for a motor will restart automatically when power is restored after a
power failure. - -True
What is the most common machine wire type? - -THHN
, BCTC Industrial Maintenance Technology AMTEC
(NOCTI Mechatronic) Review
T/F: A three-wire controlled motor will restart automatically after power is restored after a
power failure. - -False
Jogging is a type of motor control in which what happens? - -The motors rotation is
moved (bumped) slightly.
A wire's current carrying limit is known as what? - -Ampacity
A motor _______ is a motor controller that includes overload protection. - -Starter
If a switch is described by the term DPDT, what does this stand for? - -Dual pole,
Dual Throw
An interlock prevents two of the three phases on a reversing motor from shorting by doing
what? - -Preventing the opposite coil from shutting it's contacts when a coil is
energized.
Wire labelled THW means it has what characteristics? - -Thermoplastic insulated,
heat resistant, damp and wet location.
What is happening in the circuit when the fuse fails? - -Too much current for too long.
A wire's gauge is a measure of what? - -The number of dies the wire was drawn
through.
How can you reverse motor direction? - -Switch leads T1 and T3.
What are the characteristics of a small diameter wire vs a large diameter wire? - -
Small diameter wire has a smaller ampacity than large diameter wire.
The period of a given AC waveform is the time for one __________? - -Full cycle
Every digital multimeter can measure which three basic elements? - -Current,
voltage, and resistance.