What units are used to measure water pressure?
A) Kilowatts
B) Kilopascals (kPa)
C) Horsepower
D) Head Units
-:- B) Kilopascals (kPa)
Which of the following are operators-in-training NOT allowed to do?
A) There are no restrictions on the duties of an operator-in-training
B) Any operational...
✓ -:- D) Be the operator with overall operational responsibility of the
system
Define the term 'head' as used in hydraulic systems.
A) The block of an internal combustion engine
B) the ability of a piston pump to overcome the force of gravity
C) the height or energy of water above a specified point
D) the distance between the liquid level and the cover of a well
✓ -:- C) the height or energy of water above a specified point
What is the definition of a confined space?
A)Any space which is not actively ventilated by an electrical ventilation system
B) Any space from which exit by an injured worker is difficult
C) Any space where hazardous gas can accumulate or an oxygen deficient atmosphere can
occur
2|P a g e | G r a d e A + | 2 0 2 0 2 5
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