1. What are the four main types of electrical injuries? ✔️Electrocution, electric shock, burns, and
indirect injuries (e.g., falls from ladders)
2. What are the two main differences between hydraulic rough terrain cranes and crawler lattice boom
friction cranes? ✔️Boom hoist and load line controls
3. What are the primary causes of hand tool-related hazards? (Select all that apply) ✔️Misuse,
improper maintenance, and failure to follow safety procedures
4. What should head protection do? (Select all that apply) ✔️Prevent head injury, protect from falling
objects, shield from electrical hazards
5. What must be done when an adapter is used to accommodate a two-hole receptacle? ✔️Attach it to
a known ground
6. Why is prestressed concrete often used in modern construction? ✔️It allows predetermined
engineering stresses to be placed in members to counteract stresses that occur when the unit is
subjected to service loads