Which of the following is not a type of form control when considering cylindrical shapes?
A. straightness
B. circularity
C. concentricity
D. cylindricity
E. none of the above
Answer: E
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Answer the following statement(s) true (T) or false (F)
1. A DC motor is reversed by reversing the shunt field current. 2. In a DC reversing motor, the forward and reverse buttons are mechanically interlocked so that it is not possible to operate these buttons at the same time. 3. In a CEMF controller, braking action increases as the armature speed decreases. 4. When using the CEMF controller and dynamic braking, a field discharge resistor must be added. 5. A field discharge resistor is a thyristor-type device that conducts when the voltage across it is high enough, but has a high resistance to normal line voltage.
Technician A says decreased steering effort may be caused by sagged rear springs. Technician B says sagged rear springs may cause fast steering wheel return. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
Flasher units are being discussed. Technician A says that only a DOT-approved flasher unit should be used for turn signals. Technician B says that a parallel (variable-load) flasher will function for turn signal usage, although it will not warn the driver if a bulb burns out. Who is right?
A) A only B) B only C) Both A and B D) Neither A nor B
Technician A says the radiator support is attached to the frame rail with a large bushing or isolator between the two. Technician B says the radiator support can be adjusted half an inch in all directions to accommodate properly aligning the panels. Who is correct?
A. Technician A only B. Technician B only C. Both Technicians A and B D. Neither Technician A nor B