A polarized electrical receptacle is used for _____.

A polarized electrical receptacle is used for _____.
 
  A) all power tools
  B) three-wire power cords
  C) double-insulated tools
  D) plugs with the ground pin cut off

---

[Ques. 2] The activity that consists of breaking a job into its component tasks and then analyzing each step for potential
  hazards is called a _____.
 
  A) job safety analysis
  B) hazardous incident simulation
  C) safety breakdown structure
  D) safety pre-assessment

---

[Ques. 3] The D-ring or support point on a safety harness should be placed _____.
 
  A) between the shoulder blades
  B) at the back of the neck
  C) around the waist
  D) over the rib cage

---

[Ques. 4] Companies with strong safety cultures usually have lower _____.
 
  A) turnover
  B) productivity
  C) wages
  D) morale

---

[Ques. 5] The expansion device in a cooling system _____.
 
  A) raises the temperature of the refrigerant
  B) acts as a heat exchanger
  C) provides a pressure drop
  D) raises the pressure of the refrigerant