Modulus 13 Quiz

When overhead loads are being lowered into trenches, trench workers can be protected by _______. Trench box Shoring Benching system Safety net

More people on construction job sites are killed by _____ hazards than any other cause. Falls Struck-by Caught-between Electrocution

Never allow workers to enter an unprotected trench that is _____ feet or deeper unless an adequate protective system is in place. 4 5 10 11

Workers who use compressed air for cleaning should limit pressure to _____ PSI. 30 45 60 85

OSHA has approved sloping, shoring, and benching to be used as safety systems in which one of these jobs? Road paving Masonry wall construction Trenching Welding

OSHA estimates that ______ percent of struck-by fatalities involve heavy equipment like trucks or cranes. 75 55 40 35

When struck-by and caught-between hazards are high, in order to decrease the risk of worker injury, only ___ personnel should be allowed in the hazardous area.

What is an acceptable alternative to installing an audible back-up alarm? Barriers around work site Posted warning signs Flaggers OSHA-approved seat belts

When the height of workplaces exceeds 30 feet above ground, what safety device must be provided for workers? Guardrails Personal fall protection Safety nets Barriers

Under certain circumstances, which one of these engineering controls can create a caught-between hazard? Debris nets Barriers PPE Guardrails