Which of the following is the best practice when instructed to block the wheels on tractor/trailer combination?

A. Place a pair of wedged wheel chocks on both sides of one steering axle wheel
B. Place a pair of wedged wheel chocks on one tractor steering axle wheel and one trailer axle wheel
C. Place a pair of wedged wheel chocks on one tractor drive axle wheel and one trailer axle wheel
D. Place a pair of wedged wheel chocks on one trailer axle wheel


C. Place a pair of wedged wheel chocks on one tractor drive axle wheel and one trailer axle wheel

Trades & Technology

You might also like to view...

Some level sensors measure liquid levels, including boundaries between two liquids, using _____.

a. mechanical floats b. electrical capacitance c. lasers d. gas flames

Trades & Technology

What is the inertial fusion project?

What will be an ideal response?

Trades & Technology

A large release of refrigerant in a machine room has caused a co-worker to pass out. You should:

A) Hold your breath while dragging them out. B) Work slowly and methodically to keep your pulse and respiration rate low. C) Put on self-contained breathing apparatus before going to get them. D) Get to them as quickly as possible and drag them to safety.

Trades & Technology

One of the two types of poured-in-place concrete drawings, ____ are more detailed, showing the actual size, shape, and locations of all reinforcing bars in a structural member and how the bars are to be placed into the forms.

A. shop drawings B. placing drawings C. engineer's sketches D. engineering drawings

Trades & Technology