CH 17 IFSTA Extrication || Already Graded A+.

When assisting with trench rescue: Select one: a. the initial ladder should be placed far from the victim. b. eliminate sources of vibration such as apparatus and heavy equipment. c. avoid the use of ventilation fans. d. hazardous atmospheres are rarely a concern. correct answers eliminate sources of vibration such as apparatus and heavy equipment. If the ignition is not accessible in nonelectric vehicles, shut down the electrical system by disconnecting the negative cables to the vehicle's 12-volt battery by cutting or removing: Select one: a. both cables simultaneously. b. whichever cable is most accessible first. c. the positive cable first. d. the negative cable first. correct answers the negative cable first. Which glass is designed to spread small fracture lines throughout the plate when struck? Select one: a. Double glazing b. Tempered c. Composite d. Laminated correct answers Tempered Which type of collapse has a good chance of habitable voids but is most vulnerable to secondary collapse? Select one: a. A-frame b. Cantilever c. Pancake d. V-shaped correct answers Cantilever When responding to an elevator entrapment rescue,: Select one: a. occupants should not wait in the elevator. b. there are no consistent sequential steps to follow. c. follow the predetermined steps that are the same for all elevator rescues. d. immediately push the recall button. correct answers there are no consistent sequential steps to follow. Stabilizing a rescue incident may involve: Select one: a. receiving the initial dispatch call. b. determining the incident location. c. diverting or blocking traffic.