Which of the following represents the correct mixture proportions required of the electrolyte in a lead acid battery?
A. 64% sulfuric acid, 36% distilled water
B. 36% sulfuric acid, 64% distilled water
C. 100% sulfuric acid
D. 100% distilled water
Answer: B
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A circuit uses 216.2 watts and draws a current of 1.88 amps. Find the resistance. Express the answer to the nearer hundredth ohm.
and 
Fill in the blank(s) with the appropriate word(s).
Answer the following questions with regard to an alloy of copper with 64 percent of lead that is slowly cooled in a crucible without being stirred from 1100°C to room temperature.
(a) What is the nature of the alloy at 1100°C? (b) Now consider the alloy at a temperature just above the monotectic temperature at 955°C, where it is composed of the two liquids of differenct compositions. Do the liquids have the same density? If not, what would you expect to happen? (c) One of the liquids has the composition of monotectic point. What should happen to this liquid as it passes though the monotectic temperature of 955°C? Describe the physical nature of the contents of the crucible after the alloy is cooled below 955°C, and until it reaches the eutectic temperature at 326°C.
kHz is a unit describing what property?
A) Continuity B) Frequency C) Diode bias D) None of these
How should the vehicle be driven to best break in a newly overhauled engine?
A) At idle speed and little or no load B) At varying speeds and loads C) At high speeds and loads D) At a steady low speed