GRADE 1 MECHANICAL
TECHNOLOGIST STUDY GUIDE
QUESTIONS AND ANSWERS WITH
SOLUTIONS 2024
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
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.
TECHNOLOGIST STUDY GUIDE
QUESTIONS AND ANSWERS WITH
SOLUTIONS 2024
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
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.
