What is the danger of improperly crossed or unsecured safety chains on a converter dolly?
a.The dolly may vibrate excessively
b.If the pintle hook connection fails, the dolly tongue could drop to the ground causing loss of control
c.The trailer lights will not work
d.The air brakes will not release
Explanation
Safety chains must be properly crossed under the dolly tongue and securely attached. If the pintle hook fails and the safety chains are not properly secured, the dolly tongue will drop to the road surface, causing loss of control and a potential catastrophic accident.