Grade 1 Mechanical Technologist Study Guide questions and
answers 2026\2027 A+ Grade
Which welding process is most commonly used for small pipe maintenance welding?
- correct answer Oxyacetylene gas welding
What is the proper definition of an engine?
- correct answer It is a machine designed to convert energy into useful mechanical motion
What is wet stacking and how can it be prevented?
- correct 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?
- correct 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?
- correct 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?
- correct answer It does not need to be lubricated under normal use.
A DAFT is an acronym meaning:
- correct answer Dissolved Air Flotation Thickener.
answers 2026\2027 A+ Grade
Which welding process is most commonly used for small pipe maintenance welding?
- correct answer Oxyacetylene gas welding
What is the proper definition of an engine?
- correct answer It is a machine designed to convert energy into useful mechanical motion
What is wet stacking and how can it be prevented?
- correct 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?
- correct 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?
- correct 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?
- correct answer It does not need to be lubricated under normal use.
A DAFT is an acronym meaning:
- correct answer Dissolved Air Flotation Thickener.
