10 free CHST practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
CHST Practice Test 12Tutor mode
Question 1 of 10
Hazard and Risk Identification and Control
A pipe-laying crew uses a pipe laser to set grade in a trench. At noon the crew will leave for a 45-minute lunch and wants to leave the laser running so it holds alignment. What should the safety technician require?