AND LEARNER DEVELOPMENT PRACTICE
TEST 2026
◉ What should you not pump with an ESP?
Answer: Oil or fuel contaminated water
◉ What should you check an ESP for before using?
Answer: Exposed wires
◉ When should you test an ESP?
Answer: Before moving it
◉ How does a perijet extract water?
Answer: Venturi effect
Passing water creates low pressure that pulls the water out of the
space.
◉ What powers an ESP?
Answer: 440v electricity
, ◉ Can you use more than one ESP?
Answer: Yes they can be attached in tandem
◉ If more than one ESP is used, which one should be started first?
Answer: Start from the bottom to prevent burning up motors
◉ What can be connected to the end of an ESP?
Answer: Perijet inductor
◉ Who leads the team when there is a casualty with toxic
substance?
Answer: Gas free engineer
◉ What can you do to combat progressive flooding?
Answer: Use more pumps
◉ How can you stop a rupture or crack that continues to expand?
Answer: Drill 1/4" holes outside ends of crack to relieve stress
◉ Who should you contact if shoring collapses?
Answer: DC Central