MECHANICAL TECHNOLOGIST GRADE
1 CWEA CERTIFICATION EXAM STUDY
GUIDE 2024 QUESTIONS AND
ANSWERS WITH SOLUTIONS
What is an oxygen-acetylene torch? - ANSWER A welding torch that uses fuel gas and oxygen to weld or
cut metals
What does CMMS stand for? - ANSWER Computerized Maintenance Management System
What does OMM stand for? - ANSWER Operations and Maintenance Manual
What does SOP stand for? - ANSWER Standard Operating Procedure
What does SCADA stand for? - ANSWER Supervisory Control and Data Acquisition
What does SDS stand for? - ANSWER Safety Data Sheet
What does LOTO stand for? - ANSWER Lock Out Tag Out
What does PPE stand for? - ANSWER Personal Protective Equipment (PPE)
What are some examples of PPE? - ANSWER Safety glasses, hard hat, gloves, ear protection, chemical
aprons, respirator, face shield, hazmat suit
What does HVAC stand for? - ANSWER Heating, Ventilation and Air Conditioning
What is the definition of an engine? - ANSWER A machine designed to convert energy into useful
mechanical motion
,In terms of lubrication, what is required for a sealed ball bearing? - ANSWER It does not need to be
lubricated under normal use
What is the purpose of a breakaway switch? - ANSWER To apply the breaks on a trailer in the event of a
trailer release from a vehicle
What type of saw is used to cut metallic materials? - ANSWER Hacksaw
What type of saw is used to cut intricate external shapes and interior cut-outs in woodworking and
carpentry? - ANSWER A coping saw
What type of saw is used to cut wood perpendicular to (across) the wood grain? - ANSWER A Crosscut
saw
What type of saw is used to cut wood in the direction of the grain? - ANSWER A rip saw
A scale on a blueprint indicates 1" = 2". What does this scale mean? - ANSWER Each line on the blueprint
is shown as half of its actual size
A computerized maintenance management system (CMMS) is a type of .... - ANSWER tool
What problems may occur when a person works in a very hot area for a prolonged period of time? -
ANSWER Heat stroke, Cramps, Exhaustion
What is the purpose of a confined space safety permit? - ANSWER It ensures the use of safety
precautions and use of standard safety procedures when working in a confined space
Why must preventative maintenance tasks be documented? - ANSWER Records are needed to show the
type and frequency of maintenance of operating units and to evaluate the effectiveness of maintenance
programs
, True or False : When accepting a work order, the need for speedy completion is an integral aspect of
your performance as a Maintainenance Technologist - ANSWER FALSE : It does not matter how long it
takes to complete a work order, the most important and integral aspect of your performance when
completing a work order is doing it safely and compleately
There is an 18" wide red stripe painted on the ground around a tank. The tank is 25' high and 150' in
diameter. What is the perimeter on the outer edge of the stripe? - ANSWER 475.71 ft
A 12" diameter pipe, 48' long, weighs 35lbs per linear ft. What is the weight of the total load? - ANSWER
1680 lbs/ft
48' * 35lbs = 1680
What is the definition of Arc Welding? - ANSWER Arc Welding is a welding process that is used to join
metal to metal by using electricity to create enough heat to melt metal, and the melted metals, when
cool, result in a binding of the metals
How does a centrifugal pump work? - ANSWER Moves fluid by means of rotational energy from rotor
drives/impellers. Fluid enters the rapidly rotating impeller along its axis and is cast out by centrifugal
force along its circumference through the impeller's vein tips
What is centrifugal force? - ANSWER An outward force on a mass when it is rotated
How does a positive displacement pump work? - ANSWER Pump moves fluid by repeatedly enclosing a
fixed volume of fluid, with the aid of seals or valves, and moving it mechanically (with a piston or a
plunger) through a system
How does a vacuum pump work? - ANSWER Vacuum pumps have an inlet and and outlet with a nozzle in
between - the nozzle restricts flow of fluids, thereby increasing fluid's velocity and decreases the fluids
pressure. A vacuum is created by the lack of pressure which pulls the fluid into the nozzle and forces it
out the other side
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