Technician Asays excessive lateral runout causes the rotor to wobble from side to side as it rotates. Technician B says the wobble knocks the pads farther back than normal, which causes the pedal to pulse or vibrate as it is applied. Who is correct?
A. A only
B. B only
C. Both A and B
D. Neither A nor B
Answer: C
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Both fillet and pad ____________________ will occur when hand soldering if excessive pressure or heat is applied.
Fill in the blank(s) with the appropriate word(s).
?A metal displacement process that is forms shallow cavities or designs is ____.
A. ?hobbing B. ?etching C. ?electroforming D. ?electric-discharge
Answer the following statement(s) true (T) or false (F)
1. A compound motor can be obtained by placing both a series field winding and a shunt field winding on the field poles of the motor. 2. Not all electric motors are suited to have their speed controlled with smooth acceleration or deceleration, but DC motors do have this ability. 3. The cadmium-controlled rectifier (CCR) is the most popular device among the thyristors, or electronic switches. 4. The direction of rotation of a DC motor can be reversed by changing the connections of either the armature or the field leads. 5. In the brush-type PM motor, the armature winding is no longer rotating, but is mounted within the outer frame structure, and is now called the stator.
Which best describes the reason logarithmic signal compression is more accurate than linear signal compression?
A) linear compression cannot replicate extremely small signals B) in logarithmic compression, higher voltages are reduced more than small voltages C) logarithmic amplifiers deal with large and small signals equally D) phase shift affects linear amplifiers more than logarithmic amplifiers