3-65. Which of the following personnel are  responsible  for  a  backing mishap? 1. The operation chief 2. The  transportation  supervisor 3. The  operator 4. The yard boss 3-66. Which of the following techniques should an operator use to avoid a backing  mishap? 1. Blow the horn at least twice  before  backing 2. Survey  the  area  behind the  vehicle  before  backing 3. Use a backup guide 4. All of the above 3-67. A  majority  of  backing  mishaps  could have  been  avoided  if  operators  had used backup guides. 1. True 2. False 3-68. What are the basic parts of an entrance  to  an  expressway? 1. The  entrance  ramp 2. The acceleration lane 3. The  merging  lane 4. All of the above 3-69. At what location should you slow down when departing an expressway? 1. Merging  lane 2. Deceleration  lane 3. Exit lane 4. All of the above 3-70. During  a  periodic  stop,  what  items should you inspect when giving a vehicle a quick safety inspection? 1. Inspect  the  conditions of the tires 2. Listen for air leaks 3. Check the load to see if it has shifted 4. All of the above Learning  Objective: Recognize the  principles  used  when  driving under  hazardous  conditions. 3-71. 3-72. 3-73. 3-74. 3-75. Driving  on  hard–packed  snow  is more dangerous than driving on fresh snow. 1. True 2. False Which  of  the  following  conditions is  affected  when  driving  on  snow and  ice? 1. Visibility 2. Stopping  distance 3. Maneuverability 4. All of the above You  are  driving  under  normal conditions  and  traveling  at  10 miles per hour. Under  these conditions,  you  should  allow  what number of car lengths of space from  the  vehicle  you  are  traveling behind? 1. 1 2. 2 3. 3 4. 4 Which areas of a roadway freeze and remain  frozen  longer  than  regular roadway  surfaces? 1. Bridges 2. Overpasses 3. Shady  areas 4. All of the above What  action  should  an  operator  take if water has entered the brake drums  and  wet  the  linings? 1. Drive very fast and slam on the brakes to dry the lining 2. Drive  very  fast  and  gently apply the brakes to dry the linings 3. Drive  very  slow  and  gently apply the brakes to dry the linings 4. Drive very slow and slam on the brakes to dry the linings 2 3