Lightweight plastic hats, commonly called _____, afford little protection and do not conform to regulations.
A. hard hats
B. bump hats
C. plastic caps
D. hard shells
Answer: B
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Answer the following statement(s) true (T) or false (F)
1. DC motors can be operated at a slow speed with a high torque. 2. If it is necessary to operate the motor above base speed, the field voltage is increased and armature voltage is fully applied. 3. Generally, DC motors are run at base speed or below. 4. A signal electronics module provides the overall drive control. 5. When power is applied to the drive, each of the circuit boards is simultaneously checked by the microprocessor.
Technician A says that differential steering systems deliver equal amounts of torqueto bothaxles or tracks while the equipment is driven in a straight-ahead direction. Technician B says that steering clutch and brake systems ontrack-type equipment use independent control mechanisms to steer and brake each track separately. Who is correct?
A. Technician A B. Technician B C. Both D. Neither
Technician A says that a defective wheel or axle bearing often makes a growling or rumbling noise. Technician B says that a defective wheel or axle bearing often makes a noise similar to a tire with an aggressive mud or snow design. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
The Society of Automotive Engineers (SAE) provides standard definitions applicable to AWD and 4WD systems which is used consistently by manufacturers to provide clarity.
Answer the following statement true (T) or false (F)