CWEA Grade 1 Mechanical Technologist Exam
QUESTIONS AND VERIFIED ANSWERS
ALREADY GRADED A+ | COMPLETE PDF
STUDY GUIDE
A fabricated piece of 12-inch diameter pipe, 48 feet long, weighs 35 pounds per
lineal foot. What is the weight of the total load? - - SELECTED ANSWER 👀 C.
1,680lbs.
Jaime must paint a 16" wide, red stripe completely around a water tank at a
centered height of 18 feet. The tank's dimensions are 25 feet high and 150 feet
in diameter. How long, in linear feet, will the stripe be ? - - SELECTED ANSWER
👀 B. 471 feet
Why is water commonly omitted from the concrete ratio? - - SELECTED ANSWER
👀 D. Because the amount of water used involves a consideration of both the
degree of exposure and strength requirements of the complete structure
A computerized maintenance management system is a/n: - - SELECTED ANSWER
👀 D. tool
How much coat is needed to properly protect a tank or channel from
deterioration? - - SELECTED ANSWER 👀 A. Two or more coats
A scale on a blueprint indicates 1"=2". What does the scale mean? - - SELECTED
ANSWER 👀 D. Each line on the print is shown half it's actual size
,Of the following which is THE LEAST important when accepting a work order
from either a superior or from an assigned group work order. Remember to
choose the least important. - - SELECTED ANSWER 👀 B. The need for speedy
completion. After all, they are assigned and you want to look good
You are working along with a coworker to do a preventative maintenance task
and you notice they are not taking notes for record keeping. Since you know
your coworker to be a good team member and will take advice well, which of
the following reasons should you give to make sure he takes notes on the
maintenance. - - SELECTED ANSWER 👀 C. Records are needed to show the type
and frequency of maintenance of operating units and to evaluate the
effectiveness of the maintenance program
Using a table, calculate the head loss in psi for a 2000ft section of new 10" Cast
iron pipe with a flow of 650 GPM - - SELECTED ANSWER 👀 B. 2.12
Which of the following should be used to guide the frequency schedule of a
preventative maintenance? - - SELECTED ANSWER 👀 B. The amount of
continues usage of equipment
Of the following, what is the first step needed to create a preventative
maintenance? - - SELECTED ANSWER 👀 B. Get all the drawings needed , such as
the building equipment drawing or other map of plant or process that lists all
the equipment and show the location
A device that moves liquids by transferring kinetic energy. - - SELECTED ANSWER
👀 Centrifugal pump
,A failure that can occur due to overheating, excessive vibration, and low flow
rates. - - SELECTED ANSWER 👀 Mechanical seal failure
A device used to supply oxygen to aerobic processes in wastewater treatment. -
- SELECTED ANSWER 👀 Air blower
Routine checks that include lubrication of bearings, voltage and current levels,
and alignment with the drive shaft. - - SELECTED ANSWER 👀 Motor
maintenance checks
Typically achieved using stainless steel due to its resistance to corrosion. - -
SELECTED ANSWER 👀 Corrosion prevention in mechanical components
Checking the pump's discharge valve to ensure it's fully open. - - SELECTED
ANSWER 👀 Pump not priming troubleshooting
Recommended to remove and manually clean the impeller with a brush. - -
SELECTED ANSWER 👀 Cleaning a clogged pump impeller
Ensuring the motor is properly grounded to prevent electrical shock. - -
SELECTED ANSWER 👀 Safety precautions with electrical motors
To filter out solids from liquids in wastewater treatment. - - SELECTED ANSWER
👀 Mechanical strainer function
Mechanical strainers are used to remove large solids and debris from
wastewater before it enters treatment systems, preventing damage to
, equipment and ensuring smoother operation. - - SELECTED ANSWER 👀
Mechanical strainers
Gear reducers should be serviced according to the manufacturer's guidelines,
which often specify an interval for oil changes, typically between 6 months and
2 years depending on usage. - - SELECTED ANSWER 👀 Oil change interval for
gear reducers
Check valves allow flow in one direction and automatically close to prevent
backflow, protecting pumps and other equipment from damage. - - SELECTED
ANSWER 👀 Check valve
Cavitation occurs when vapor bubbles form in the pump due to low pressure
and then collapse, causing noise, vibration, and potential damage to the pump. -
- SELECTED ANSWER 👀 Cavitation in pumps
It is crucial to replace bearings with those that match the original specifications
to maintain proper motor function and extend service life. - - SELECTED
ANSWER 👀 Replacing bearings in a pump motor
If a pump motor is not starting, the first step should be to check the power
supply and ensure electrical connections are intact and functioning. - - SELECTED
ANSWER 👀 First check if a pump motor is not starting
A VFD allows for variable speed operation of pumps, which helps optimize
energy usage based on system demand, reducing electricity costs. - - SELECTED
ANSWER 👀 Variable frequency drive (VFD)
QUESTIONS AND VERIFIED ANSWERS
ALREADY GRADED A+ | COMPLETE PDF
STUDY GUIDE
A fabricated piece of 12-inch diameter pipe, 48 feet long, weighs 35 pounds per
lineal foot. What is the weight of the total load? - - SELECTED ANSWER 👀 C.
1,680lbs.
Jaime must paint a 16" wide, red stripe completely around a water tank at a
centered height of 18 feet. The tank's dimensions are 25 feet high and 150 feet
in diameter. How long, in linear feet, will the stripe be ? - - SELECTED ANSWER
👀 B. 471 feet
Why is water commonly omitted from the concrete ratio? - - SELECTED ANSWER
👀 D. Because the amount of water used involves a consideration of both the
degree of exposure and strength requirements of the complete structure
A computerized maintenance management system is a/n: - - SELECTED ANSWER
👀 D. tool
How much coat is needed to properly protect a tank or channel from
deterioration? - - SELECTED ANSWER 👀 A. Two or more coats
A scale on a blueprint indicates 1"=2". What does the scale mean? - - SELECTED
ANSWER 👀 D. Each line on the print is shown half it's actual size
,Of the following which is THE LEAST important when accepting a work order
from either a superior or from an assigned group work order. Remember to
choose the least important. - - SELECTED ANSWER 👀 B. The need for speedy
completion. After all, they are assigned and you want to look good
You are working along with a coworker to do a preventative maintenance task
and you notice they are not taking notes for record keeping. Since you know
your coworker to be a good team member and will take advice well, which of
the following reasons should you give to make sure he takes notes on the
maintenance. - - SELECTED ANSWER 👀 C. Records are needed to show the type
and frequency of maintenance of operating units and to evaluate the
effectiveness of the maintenance program
Using a table, calculate the head loss in psi for a 2000ft section of new 10" Cast
iron pipe with a flow of 650 GPM - - SELECTED ANSWER 👀 B. 2.12
Which of the following should be used to guide the frequency schedule of a
preventative maintenance? - - SELECTED ANSWER 👀 B. The amount of
continues usage of equipment
Of the following, what is the first step needed to create a preventative
maintenance? - - SELECTED ANSWER 👀 B. Get all the drawings needed , such as
the building equipment drawing or other map of plant or process that lists all
the equipment and show the location
A device that moves liquids by transferring kinetic energy. - - SELECTED ANSWER
👀 Centrifugal pump
,A failure that can occur due to overheating, excessive vibration, and low flow
rates. - - SELECTED ANSWER 👀 Mechanical seal failure
A device used to supply oxygen to aerobic processes in wastewater treatment. -
- SELECTED ANSWER 👀 Air blower
Routine checks that include lubrication of bearings, voltage and current levels,
and alignment with the drive shaft. - - SELECTED ANSWER 👀 Motor
maintenance checks
Typically achieved using stainless steel due to its resistance to corrosion. - -
SELECTED ANSWER 👀 Corrosion prevention in mechanical components
Checking the pump's discharge valve to ensure it's fully open. - - SELECTED
ANSWER 👀 Pump not priming troubleshooting
Recommended to remove and manually clean the impeller with a brush. - -
SELECTED ANSWER 👀 Cleaning a clogged pump impeller
Ensuring the motor is properly grounded to prevent electrical shock. - -
SELECTED ANSWER 👀 Safety precautions with electrical motors
To filter out solids from liquids in wastewater treatment. - - SELECTED ANSWER
👀 Mechanical strainer function
Mechanical strainers are used to remove large solids and debris from
wastewater before it enters treatment systems, preventing damage to
, equipment and ensuring smoother operation. - - SELECTED ANSWER 👀
Mechanical strainers
Gear reducers should be serviced according to the manufacturer's guidelines,
which often specify an interval for oil changes, typically between 6 months and
2 years depending on usage. - - SELECTED ANSWER 👀 Oil change interval for
gear reducers
Check valves allow flow in one direction and automatically close to prevent
backflow, protecting pumps and other equipment from damage. - - SELECTED
ANSWER 👀 Check valve
Cavitation occurs when vapor bubbles form in the pump due to low pressure
and then collapse, causing noise, vibration, and potential damage to the pump. -
- SELECTED ANSWER 👀 Cavitation in pumps
It is crucial to replace bearings with those that match the original specifications
to maintain proper motor function and extend service life. - - SELECTED
ANSWER 👀 Replacing bearings in a pump motor
If a pump motor is not starting, the first step should be to check the power
supply and ensure electrical connections are intact and functioning. - - SELECTED
ANSWER 👀 First check if a pump motor is not starting
A VFD allows for variable speed operation of pumps, which helps optimize
energy usage based on system demand, reducing electricity costs. - - SELECTED
ANSWER 👀 Variable frequency drive (VFD)
