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MECHANICAL TECHNOLOGIST GRADE 1 CWEA CERTIFICATION EXAM STUDY GUIDE
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MECHANICAL TECHNOLOGIST GRADE 1 CWEA CERTIFICATION EXAM STUDY GUIDE
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MECHANICAL TECHNOLOGIST GRADE 1CWEA CERTIFICATION EXAM STUDY
GUIDE
A computerized maintenance management system (CMMS) is a type of .... -
ANSWERS-tool
What problems may occur when a person works in a very hot area for a
prolonged period of time? - ANSWERS-Heat stroke, Cramps, Exhaustion
What is the purpose of a confined space safety permit? - ANSWERS-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? - ANSWERS-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 -
ANSWERS-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? - ANSWERS-475.71 ft
18" = 1.5'
Perimeter = Diameter * pi = (150' + 1.5') * 3.14 = 475.71
A 12" diameter pipe, 48' long, weighs 35lbs per linear ft. What is the weight of the
total load? - ANSWERS-1680 lbs/ft
48' * 35lbs = 1680
What is the definition of Arc Welding? - ANSWERS-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? - ANSWERS-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? - ANSWERS-An outward force on a mass when it is
rotated
,How does a positive displacement pump work? - ANSWERS-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? - ANSWERS-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
What types of coatings are usually used on the inside of wet wells? - ANSWERS-
Epoxy coatings
What is an oxygen-acetylene torch? - ANSWERS-A welding torch that uses fuel gas
and oxygen to weld or cut metals
What does CMMS stand for? - ANSWERS-Computerized Maintenance
Management System
What does OMM stand for? - ANSWERS-Operations and Maintenance Manual
What does SOP stand for? - ANSWERS-Standard Operating Procedure
What does SCADA stand for? - ANSWERS-Supervisory Control and Data
Acquisition
, What does SDS stand for? - ANSWERS-Safety Data Sheet
What does LOTO stand for? - ANSWERS-Lock Out Tag Out
What does PPE stand for? - ANSWERS-Personal Protective Equipment (PPE)
What are some examples of PPE? - ANSWERS-Safety glasses, hard hat, gloves, ear
protection, chemical aprons, respirator, face shield, hazmat suit
What does HVAC stand for? - ANSWERS-Heating, Ventilation and Air Conditioning
What is the definition of an engine? - ANSWERS-A machine designed to convert
energy into useful mechanical motion
In terms of lubrication, what is required for a sealed ball bearing? - ANSWERS-It
does not need to be lubricated under normal use
What is the purpose of a breakaway switch? - ANSWERS-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? - ANSWERS-Hacksaw
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