CWEA Mechanical Technologist II Exam Questions With Verified Answers.
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Course
CWEA
Institution
CWEA
CWEA Mechanical Technologist II Exam
Questions With Verified Answers.
Carbon Dioxide fire extinguishers are intended for use on what class of fires? - answerClass B and class
C
How does CAL-OSHA define a confined space? - answerLimited or restricted means of entry or exit,
large enough to bodi...
CWEA Mechanical Technologist II Exam
Questions With Verified Answers.
Carbon Dioxide fire extinguishers are intended for use on what class of fires? - answer✔Class B and class
C
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.
Where is the best place to find out what personal protective gear is necessary when working with a
chemical? - answer✔MSDS or SDS.
The lack of an unpleasant odor in a manhole, lift station or other structures does not always mean that
dangerous gases are not present because why? - answer✔Some dangerous gases have no odor.
What is the first step to take when preparing to perform maintenance or repairs on an operating piece
of equipment? - answer✔Notify all affected employees that equipment is going to be locked out and
explain the reason for the lock out.
Rubber safety gloves should be tested how often? - answer✔Every 6 months.
Rubber safety blankets should be tested how often? - answer✔Every 12 months.
What is the interrupting current of a GFIC receptacle? - answer✔5-6 mA.
What type of stepladder is forbidden while working on electrical equipment? - answer✔Aluminum.
What is the killer of electrical shock? - answer✔Current.
The relationship between an electric current and a magnetic field is called what? -
answer✔Electromagnetism.
An on-off switch with overload relays is called what? - answer✔Manual starter.
The amount of potential difference a layer of insulation can withstand is called what? -
answer✔Dielectric strength.
What is the current in amperes of a 120-volt circuit with a resistance of 60 ohms, using Ohm's law? -
answer✔2.0 amperes.
What is the current of a 120-volt circuit with a 1440-watt load? - answer✔12 amperes
What is the current of a circuit that consumes 625 watts through a 12.75-ohm resistor? - answer✔7
amperes.
A wet well measures 30 feet deep, 25 feet wide and 35 feet long. What is the capacity in gallons? -
answer✔196,350 gal.
What is the amp-load of a three-phase, 0.5-hp, 230-volt motor with an efficiency rating of 92% and a
power factor of 80%? - answer✔1.27 amps.
A three-phase, 460-volt motor draws a current of 52 amperes. The motor has an efficiency rating of 94%
and power factor of 80%. What is the horsepower? - answer✔41.7 hp.
A holding tank requires chlorination to 2.5ppm. The tank holds 3.5MGal. How many pounds of chlorine
will be needed? - answer✔73 lbs.
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