Why should specific gravity readings be temperature compensated?
A. They are a more accurate indicator of the actual state of charge.
B. Electrolyte gets thicker as it gets warmer than 80ºF.
C. Hydrometers do not work on cold batteries.
D. None of these choices.
Answer: A
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Orthogonal signal generation for three users. The following worksheet specifies three 10-sample orthogonal FDMA data signals sAi, sBi and sCi with amplitude specified in A2. FDMA signals are computed in C6:E15 with frequencies defined in C2:E2 in units of periods per nx (=10). The signal energy is computed in Row 17
a. What is the formula in C8?
b. What is the formula in C17?
c. What is the formula in D8?
d. What is the formula in D17?
e. What is the formula in E8?
f. What is the formula in E17?
PROBLEM 3.16 The allowable shearing stress is 15 ksi in the steel rod AB and 8 ksi in the brass rod BC. Knowing that a torque of magnitude is applied at A, determine the required diameter of (a) rod AB, (b) rod BC.
205 ft?lb @ 3800 RPM
What will be an ideal response?
In a normally operating engine, intake and exhaust valves are opened by a cam and closed by ________
A) Valve springs B) Valve guides and/or pushrods C) Lifters/tappets D) Rocker arms or cam follower