The distance between one positive Peak and the next positive Peak of a wave is called
A. Frequency
B. wavelength
C. elasticity
D. intensity
B. wavelength
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Which of the following is not a commonly used drill chuck size?
a. 1/8 inches b. 1/4 inches c. 3/8 inches d. 1/2 inches
Which reading represents the lowest vacuum reading?
A) 500 microns B) 29 in. Hg C) 28 in. Hg D) 27 in. Hg
If a truck brake system is functioning properly, when should the low air pressure warnings (buzzer and light) be illuminated
A. pressure drops below governor cut-out B. pressure drops below governor cut-in C. pressure drops to between 70-60 psi (4.8 - 4.1 bar) D. pressure drops to tractor protection valve trip-out pressure
Technician Asays drum brake disadvantages include poorer heat dissipation and less fade resistance than disc brakes. Technician B says drum brake disadvantages include lack of self-adjustment without special linkage, and a greater tendency than disc brakes to pulland grab. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B