GRADE 1 MECHANICAL TECHNOLOGIST STUDY GUIDE
EXAM QUESTIONS AND ANSWERS
What is the governing agency that permits odor control systems? -
CORRECT ANSWER ✔✔- AQMD: Air Quality Management District
At what pressure rating would you use a blower instead of a fan? -
CORRECT ANSWER ✔✔- 7 PSI
Which of the following valves is unsuitable for high-pressure flow? -
CORRECT 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? - CORRECT 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? - CORRECT
ANSWER ✔✔- = 0.75 or .75
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EXAM QUESTIONS AND ANSWERS
What is the governing agency that permits odor control systems? -
CORRECT ANSWER ✔✔- AQMD: Air Quality Management District
At what pressure rating would you use a blower instead of a fan? -
CORRECT ANSWER ✔✔- 7 PSI
Which of the following valves is unsuitable for high-pressure flow? -
CORRECT 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? - CORRECT 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? - CORRECT
ANSWER ✔✔- = 0.75 or .75
1|Page
