CWEA MECHANICAL
TECHNOLOGIST GRADE 3
CERTIFICATION EXAM 2026 STUDY
GUIDE COMPREHENSIVE
QUESTIONS ANSWERS VERIFIED A+
◉ How does CAL-OSHA define a confined space?
Answer: Limited or restricted means of entry or exit, large enough to
bodily enter and perform work, and is not designed for continuous
human occupancy.
◉ What section of an MSDS gives safe exposure limits based on OSHA
guidelines?
Answer: Hazardous information and ingredients.
◉ The tool rest on a grinder should be positioned within
________________________________ of the wheel surface to prevent
stock from getting caught.
Answer: 1/8 inch.
◉ Pneumatic tools should all be equipped with what?
Answer: Air line lubricator.
◉ What is the purpose of a cage in anti friction bearings?
,Answer: Properly space the rolling elements and guide them through the
load zone.
◉ The reducer located on the suction side of a horizontally mounted
centrifugal pump should be what?
Answer: Eccentric.
◉ When aligning a piece of equipment what should you do first?
Answer: Complete the vertical part of the alignment first.
◉ When dealing with screw threads, UNC stands for what?
Answer: Unified national coarse.
◉ What is backlash on a gear?
Answer: The play between gears that prevents binding.
◉ What is the initial step in preparation for installation of machinery?
Answer: Locate the baselines.
◉ What is the most popular welding process in use today?
Answer: Shielded metal-arc.
◉ You have been informed that your centrifugal pump was discharging
properly and now it is not, what is the issue?
,Answer: Air or vapor in liquid.
◉ If you have been given written instructions that you don't understand,
what should you do?
Answer: Ask the author for clarification.
◉ An SCBA is used for what kind of work?
Answer: Escape and rescue.
◉ When is a piece of equipment considered LOTO and safe to work on?
Answer: When you have brought the machine to zero energy state using
LOTO.
◉ Prescription eyeglasses that can be worn in an industrial setting must
be approved by what agency?
Answer: ANSI.
◉ What is the device on a power tool that cuts off power when released?
Answer: Deadman switch.
◉ What type of saw is designed to cut wood with the grain?
Answer: Ripsaw.
◉ What are the two primary types of anti-friction bearings?
, Answer: Ball and roller.
◉ What are the two types of positive displacement air compressors?
Answer: Reciprocating and Rotary.
◉ What is the purpose of a shaft sleeve?
Answer: Protect the pump shaft.
◉ What is the purpose of surface skimming sprays?
Answer: Scum collection.
◉ What is alternating current?
Answer: Current flow that is continuously reversing in direction.
◉ What is the area on a centrifugal pump that holds the packing?
Answer: Stuffing box.
◉ In a mechanical drawing a dashed line ----- represents what?
Answer: A hidden line.
◉ When ordering sheet steel, you should designate the thickness by
what?
Answer: Gauge number.
TECHNOLOGIST GRADE 3
CERTIFICATION EXAM 2026 STUDY
GUIDE COMPREHENSIVE
QUESTIONS ANSWERS VERIFIED A+
◉ How does CAL-OSHA define a confined space?
Answer: Limited or restricted means of entry or exit, large enough to
bodily enter and perform work, and is not designed for continuous
human occupancy.
◉ What section of an MSDS gives safe exposure limits based on OSHA
guidelines?
Answer: Hazardous information and ingredients.
◉ The tool rest on a grinder should be positioned within
________________________________ of the wheel surface to prevent
stock from getting caught.
Answer: 1/8 inch.
◉ Pneumatic tools should all be equipped with what?
Answer: Air line lubricator.
◉ What is the purpose of a cage in anti friction bearings?
,Answer: Properly space the rolling elements and guide them through the
load zone.
◉ The reducer located on the suction side of a horizontally mounted
centrifugal pump should be what?
Answer: Eccentric.
◉ When aligning a piece of equipment what should you do first?
Answer: Complete the vertical part of the alignment first.
◉ When dealing with screw threads, UNC stands for what?
Answer: Unified national coarse.
◉ What is backlash on a gear?
Answer: The play between gears that prevents binding.
◉ What is the initial step in preparation for installation of machinery?
Answer: Locate the baselines.
◉ What is the most popular welding process in use today?
Answer: Shielded metal-arc.
◉ You have been informed that your centrifugal pump was discharging
properly and now it is not, what is the issue?
,Answer: Air or vapor in liquid.
◉ If you have been given written instructions that you don't understand,
what should you do?
Answer: Ask the author for clarification.
◉ An SCBA is used for what kind of work?
Answer: Escape and rescue.
◉ When is a piece of equipment considered LOTO and safe to work on?
Answer: When you have brought the machine to zero energy state using
LOTO.
◉ Prescription eyeglasses that can be worn in an industrial setting must
be approved by what agency?
Answer: ANSI.
◉ What is the device on a power tool that cuts off power when released?
Answer: Deadman switch.
◉ What type of saw is designed to cut wood with the grain?
Answer: Ripsaw.
◉ What are the two primary types of anti-friction bearings?
, Answer: Ball and roller.
◉ What are the two types of positive displacement air compressors?
Answer: Reciprocating and Rotary.
◉ What is the purpose of a shaft sleeve?
Answer: Protect the pump shaft.
◉ What is the purpose of surface skimming sprays?
Answer: Scum collection.
◉ What is alternating current?
Answer: Current flow that is continuously reversing in direction.
◉ What is the area on a centrifugal pump that holds the packing?
Answer: Stuffing box.
◉ In a mechanical drawing a dashed line ----- represents what?
Answer: A hidden line.
◉ When ordering sheet steel, you should designate the thickness by
what?
Answer: Gauge number.
