Question

which of the following is a common cause for a cracked mounting flange?
loose mounting brackets
faulty ignition timing
too much torque to mounting bolts
impact loading

Explanation:

Loose mounting brackets can cause vibrations but not directly crack flanges. Faulty ignition timing affects engine - performance not flanges. Too much torque on mounting bolts can over - stress and crack the mounting flange. Impact loading can also cause cracks. However, over - torquing of bolts is a common and direct cause among these options.

Answer:

Too much torque to mounting bolts