Explain why a worn ball joint may cause steering and braking problems.

What will be an ideal response?


A worn ball joint would allow the steering knuckle to move and change the steering angles, toe, caster, and camber. Toe, caster and camber angles help to provide directional stability.

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____ indicates that the switch contains only one movable contact.

a. Make-before-break b. Single throw c. Break-before-make d. Single pole

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In single-phase motor installations, the branch-circuit protection is based on NEC Table 430.52 as a percentage of full-load current. (Note: Full-load current referred to here is the Code book value.) The full-load current is listed in Table 430.248 for single-phase motors. If using a typical inverse time breaker, the percentage for single-phase motors is 250% of the Code book value for the size of the motor at the connected voltage. Briefly explain why this high percentage is allowed.

What will be an ideal response?

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You can eat your lunch:

What will be an ideal response?

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Write the matrix form of the mesh equations again by using the following formulas:

rii = resistances around loop i
ri j = ? resistances shared by loops i and j
Vi = source voltages around loop i

For the circuit of Figure P3.19, write the mesh equations in matrix form. Notice the form of the [R] and [V] matrices in [R] [I ] = [V], where


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