Requirements for tank vehicle endorsement.

In order to obtain a tank vehicle endorsement, each applicant must have knowledge covering the following: (a) Causes, prevention, and effects of cargo surge on motor vehicle handling; (b) Proper braking procedures for the motor vehicle when it is empty, full, and partially full; (c) Differences in handling of baffled/compartmented tank interiors versus non-baffled motor vehicles; (d) Differences in tank vehicle type and construction; (e) Differences in cargo surge for liquids of varying product densities; (f) Effects of road grade and curvature on motor vehicle handling with filled, half-filled, and empty tanks; (g) Proper use of emergency systems; (h) For drivers of DOT specification tank vehicles, retest and marking requirements; and (i) Operating practices and procedures not otherwise specified. [76 FR 26890, May 9, 2011]