STS Practice Test 2

10 free STS practice questions in the real exam format, covering the official content areas, with an explanation for every answer.

STS Practice Test 2Tutor mode

Question 1 of 10

Life Critical Activities

Sanitation crews at a food plant run cord-connected pump motors on wet floors during washdown. Which measure MOST directly protects a worker from electrocution if a tool develops a ground fault?