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Operation practice questions

31 questions from the heavy equipment operator practice test.

Operation practice test

10 questions, graded as you go, with the reason for every answer. No sign-up.

What this covers

Sample questions

A machine with a ROPS begins to roll over. What should the operator do?

  1. Unbuckle and jump clear on the uphill side
  2. Unbuckle and jump clear on the downhill side
  3. Stand up and brace against the cab roof
  4. Stay belted in the seat and hold on firmly
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D. Stay belted in the seat and hold on firmly

The ROPS and seat belt are designed to keep the operator inside a protected zone as the machine rolls. Operators who jump are frequently crushed by the ROPS or the machine itself.

Reference: NCCER Heavy Equipment Operations Level 1, Heavy Equipment Safety

Yellow paint or flags mark which type of underground utility?

  1. Sewer and drain lines
  2. Gas, oil, steam or petroleum
  3. Electric power cables
  4. Reclaimed water and irrigation lines
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B. Gas, oil, steam or petroleum

Yellow identifies gas, oil, steam, petroleum and other gaseous materials. Electric power is red, sewers and drains are green, and reclaimed water is purple.

Reference: APWA Uniform Color Code for marking underground utilities

A locator has painted blue marks across the work area. What do they indicate?

  1. A sanitary sewer line
  2. A fiber optic cable
  3. A survey control line
  4. A potable water line
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D. A potable water line

Blue marks drinking (potable) water. Sewer and drain lines are green, communication lines such as fiber are orange, and temporary survey marks are pink.

Reference: APWA Uniform Color Code for marking underground utilities

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