1|P a g e
CWEA GRADE 1 MECHANICAL
TECHNOLOGIST EXAM|| ACTUAL EXAM ALL
QUESTIONS AND 100% CORRECT ANSWERS
ALREADY GRADED A+|| LATEST AND
COMPLETE UPDATE 2025 WITH EXPERT
VERIFIED SOLUTIONS|| ASSURED PASS!!!
Which welding process is most commonly used for small pipe maintenance
welding? - ANSWER: Oxyacetylene gas welding
What is the proper definition of an engine? - ANSWER: It is a machine designed
to convert energy into useful mechanical motion
What is wet stacking and how can it be prevented? - ANSWER: It is unburned
fuel collecting in the exhaust due to light or no load conditions.
To check flywheel face runout, where should the dial indicator be positioned? -
ANSWER: The base on the bell housing and pointer on the flywheel face.
If a 38-tooth gear running at 360 rpm is driving another gear at 144 rpm, what is
the number of teeth on the driven gear? - ANSWER: Solution: driver Gear x
Driver RPM=Driven Gear x Driven RPM
38 x 360 = N x 144
13,680 = 144N
13, = 144N / 144
95 = N
(95 Tooth Gear
, 2|P a g e
Which of the following is required for a sealed ball bearing? - ANSWER: It does
not need to be lubricated under normal use.
A DAFT is an acronym meaning: - ANSWER: Dissolved Air Flotation Thickener.
What is the governing agency that permits odor control systems? - ANSWER:
AQMD: Air Quality Management District
At what pressure rating would you use a blower instead of a fan? - ANSWER: 7
PSI
Which of the following valves is unsuitable for high-pressure flow? - ANSWER:
A needle valve
A sodium hypochlorite tank's full working capacity is 23,000 gallons. Its current
level is at 1,200 gallons. How many gallons does the delivery driver need to add to
bring it to 70% capacity? - ANSWER: Solution:
23,000 gallons max capacity x 70% desired capacity = 16,100 gallons desired.
16,100 gallons desired - 1,200 gallons current level
14,900 gallons needed to add
What is the result if 6/8 " is converted to decimal form? - ANSWER: = 0.75
or .75
What is the conversion of 212 degrees Fahrenheit into Celsius?
CWEA GRADE 1 MECHANICAL
TECHNOLOGIST EXAM|| ACTUAL EXAM ALL
QUESTIONS AND 100% CORRECT ANSWERS
ALREADY GRADED A+|| LATEST AND
COMPLETE UPDATE 2025 WITH EXPERT
VERIFIED SOLUTIONS|| ASSURED PASS!!!
Which welding process is most commonly used for small pipe maintenance
welding? - ANSWER: Oxyacetylene gas welding
What is the proper definition of an engine? - ANSWER: It is a machine designed
to convert energy into useful mechanical motion
What is wet stacking and how can it be prevented? - ANSWER: It is unburned
fuel collecting in the exhaust due to light or no load conditions.
To check flywheel face runout, where should the dial indicator be positioned? -
ANSWER: The base on the bell housing and pointer on the flywheel face.
If a 38-tooth gear running at 360 rpm is driving another gear at 144 rpm, what is
the number of teeth on the driven gear? - ANSWER: Solution: driver Gear x
Driver RPM=Driven Gear x Driven RPM
38 x 360 = N x 144
13,680 = 144N
13, = 144N / 144
95 = N
(95 Tooth Gear
, 2|P a g e
Which of the following is required for a sealed ball bearing? - ANSWER: It does
not need to be lubricated under normal use.
A DAFT is an acronym meaning: - ANSWER: Dissolved Air Flotation Thickener.
What is the governing agency that permits odor control systems? - ANSWER:
AQMD: Air Quality Management District
At what pressure rating would you use a blower instead of a fan? - ANSWER: 7
PSI
Which of the following valves is unsuitable for high-pressure flow? - ANSWER:
A needle valve
A sodium hypochlorite tank's full working capacity is 23,000 gallons. Its current
level is at 1,200 gallons. How many gallons does the delivery driver need to add to
bring it to 70% capacity? - ANSWER: Solution:
23,000 gallons max capacity x 70% desired capacity = 16,100 gallons desired.
16,100 gallons desired - 1,200 gallons current level
14,900 gallons needed to add
What is the result if 6/8 " is converted to decimal form? - ANSWER: = 0.75
or .75
What is the conversion of 212 degrees Fahrenheit into Celsius?
