CH 17 IFSTA questions with correct answers

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. - Answer 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. - Answer 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 - Answer Tempered Which type of collapse has a good chance of habitable voids b