OIT SAMPLE TEST QUESTIONS AND CORRECT ANSWERS | LATEST UPDATE
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Course
OIT
Institution
OIT
what unit is used to measure water pressure
-:- Kilopascals
any space where hazardous gas can accumulate or an oxygen deficient atmosphere can
occur
-:- confined space
1 kPa raises water
-:- 10.2 cm
unit used to measure the total daily or monthly electrical usage
-:- Kilowatt hours
4"...
a treatment plant removes 97.4% BOD from wastewater. If BOD entering is 305 mg/L, what
will the BOD in wastewater be leaving
✓ -:- 7.9 mg/L
example of cross connection
✓ -:- connection between boiler and domestic water line
most likely cause of noise and vibration in a valve
✓ -:- Backflow in a pipe
main reason wet wells for pumps pose safety hazard
✓ -:- subject to collection toxic gases
How is water pressurized in a positive displacement pump
✓ -:- water is pushed by a screw, piston, gear or diaphragm
2|P a g e | G r a d e A + | 2 0 2 0 2 5
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