One main advantage that multi disc type brakes have over other types of hydraulically applied foundation brakes is:

a. they will apply faster
b. they are easier to repair
c. they are air cooled
d. they are sealed from the environment


D

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Which of the following is true of a cooled exhaust gas recirculation (C-EGR) system on a truck diesel engine?

A. lowers HC emissions B. lowers NOx emissions C. lowers both HC and NOx emissions D. improves engine power

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Sheep can be produced on grass and little grain

Indicate whether the statement is true or false

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A dc, separately excited motor has a load torque of 140 Nm and a frictional torque of 10 Nm. The motor is rated at 240 V. The armature resistance of the motor is 1 ?. The motor speed at the given load is 600 rpm. Ignore the field losses and calculate the motor efficiency.

What will be an ideal response?

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End grinding of the band ends before welding should be done:

A) On each end separately B) On the pedestal grinder C) With the teeth opposed D) With the teeth on the same side

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