Grade 1 Mechanical Technologist
Study Guide. Latest Edition 2025-2026.
Questions & Correct Answers. Graded
A
A DAFT is an acronym meaning: - ANSDissolved Air Flotation Thickener.
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? - ANSSolution:
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
At what pressure rating would you use a blower instead of a fan? - ANS7
PSI
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? - ANSSolution: driver Gear
x Driver RPM=Driven Gear x Driven RPM
38 x 360 = N x 144
13,680 = 144N
13, = 144N / 144
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