What is your Wrecker IQ?
(This was in American Towman Magazine in the early 1980’s so base your answers on equipment available and in use at that time)
(I will post answers after a 10 people respond with their choices)
1. Which type of wrecker chassis will lift a greater load?
A. Single rear axle
B. Tandem rear axle
2. A condition in which the winch cable becomes loose and unevenly wound on the winch drum is called?
A. Crossover
B. Cable knot
3. To reduce the load on a which cable you would use a?
A. Scotch block
B. Snatch block
4. Built in rear jacks should be used on a wrecker every time a heavy load is lifted?
A. True
B. False
5. Experienced wrecker operators often tie down the front end of the tow truck to increase lift for difficult recoveries?
A. True
B. False
6. Safety chains are required by federal regulations for interstate towing.
A. True
B. False
7. When towing a disabled vehicle the wrecker end of the spacer bar of the towing sling must always be?
A. Higher
B. Lower
8. Towing hooks should always be installed with the open side?
A. Up
B. Down
9. The working limit of a 3/8 inch improved plow steel fiber center cable 6x19 class, with a breaking strength of 12,200 pounds is?
A. 6100 pounds
B. 3500 pounds
10. Dragging a disabled car without wheels up a 45 degree hill requires a greater pull than lifting the same car straight off the ground.
A True
B. False
11. A way to find broken cable strands is to rube cotton waste over the suspect strand area.
A. True
B. False
12. Traveling with the PTO engaged could damage the PTO transmission and?
A. The wrecker drive shaft
B. The truck drive shaft
13. Winch cable hooks should be hooked directly to the disabled vehicle?
A. True
B. False
14. Tilt bed carriers where first introduced in 1940?
A. True
B. False
15. When using 2 lines attached to a snatch block with an angle between lines of 120 degrees, the load on each line is?
A. The same as the total load
B. 60% of the total load
16. When the load exceeds the capacity of the wrecker boom, the pull can be made from the mast provided the load dies not exceed the load line safe working limit.
A. True
B. False
17. Overloaded cables generally break as soon as they become overloaded?
A. True
B. False
18. The pulley on the wrecker boom in which the cable runs is known as?
A. Sheave
B. Cable Guide
19. Using 2 parallel lines, one attached to a tree and the other attached to the wrecker with a snatch block on the load, each line shares?
A. ½ of the total load
B. ¼ of the total load
20. Long lengths of cable (unloaded) should be pulled off the wrecker winch drum with the winch clutch?
A. Engaged
B. Disengaged






