CWEA Mechanical Technologist Grade 3 Exam
Questions with Correct Answers and explanations
LATEST THIS YEAR -JUST RELEASED!!!! 2026/2027.
Carbon Dioxide fire extinguishers are intended for use on
what class of fires? - ANSWERClass B and class C
What section of an MSDS gives safe exposure limits
based on OSHA guidelines? - ANSWERHazardous
information and ingredients.
The tool rest on a grinder should be positioned within
________________________________ of the wheel
,surface to prevent stock from getting caught. -
ANSWER1/8 inch.
Pneumatic tools should all be equipped with what? -
ANSWERAir line lubricator.
What is the purpose of a cage in anti friction bearings? -
ANSWERProperly space the rolling elements and guide
them through the load zone.
How does CAL-OSHA define a confined space? -
ANSWERLimited or restricted means of entry or exit, large
enough to bodily enter and perform work, and is not
designed for continuous human occupancy.
,The reducer located on the suction side of a horizontally
mounted centrifugal pump should be what? -
ANSWEREccentric.
When aligning a piece of equipment what should you do
first? - ANSWERComplete the vertical part of the
alignment first.
When dealing with screw threads, UNC stands for what? -
ANSWERUnified national coarse.
What is backlash on a gear? - ANSWERThe play between
gears that prevents binding.
, What is the most popular welding process in use today? -
ANSWERShielded metal-arc.
You have been informed that your centrifugal pump was
discharging properly and now it is not, what is the issue? -
ANSWERAir or vapor in liquid.
If you have been given written instructions that you don't
understand, what should you do? - ANSWERAsk the
author for clarification.
An SCBA is used for what kind of work? -
ANSWEREscape and rescue.
Questions with Correct Answers and explanations
LATEST THIS YEAR -JUST RELEASED!!!! 2026/2027.
Carbon Dioxide fire extinguishers are intended for use on
what class of fires? - ANSWERClass B and class C
What section of an MSDS gives safe exposure limits
based on OSHA guidelines? - ANSWERHazardous
information and ingredients.
The tool rest on a grinder should be positioned within
________________________________ of the wheel
,surface to prevent stock from getting caught. -
ANSWER1/8 inch.
Pneumatic tools should all be equipped with what? -
ANSWERAir line lubricator.
What is the purpose of a cage in anti friction bearings? -
ANSWERProperly space the rolling elements and guide
them through the load zone.
How does CAL-OSHA define a confined space? -
ANSWERLimited or restricted means of entry or exit, large
enough to bodily enter and perform work, and is not
designed for continuous human occupancy.
,The reducer located on the suction side of a horizontally
mounted centrifugal pump should be what? -
ANSWEREccentric.
When aligning a piece of equipment what should you do
first? - ANSWERComplete the vertical part of the
alignment first.
When dealing with screw threads, UNC stands for what? -
ANSWERUnified national coarse.
What is backlash on a gear? - ANSWERThe play between
gears that prevents binding.
, What is the most popular welding process in use today? -
ANSWERShielded metal-arc.
You have been informed that your centrifugal pump was
discharging properly and now it is not, what is the issue? -
ANSWERAir or vapor in liquid.
If you have been given written instructions that you don't
understand, what should you do? - ANSWERAsk the
author for clarification.
An SCBA is used for what kind of work? -
ANSWEREscape and rescue.
