In a typical DC electric braking circuit, power is supplied to the braking relay by a(n) _____.
a. NOTC contact
b. NCTO contact
c. NOTO contact
d. NCTC contact
c. NOTO contact
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Butt strips should be _____.
a. cleaned with a solvent before use b. checked for proper fit c. heated to conform to the correct shape d. left in their box until they are needed
The main characteristic of static electricity is that a prolonged or steady flow of current is not possible.
Answer the following statement true (T) or false (F)
(a) Determine all reactions and bar forces produced by the applied load in Figure P9.33. (b) If support B settles 1 in. and support C settles 0.5 in. while the load acts, recompute the reactions and bar forces. For all bars the area = 2 in. 2 and E = 30,000 kips/in. 2
ASE-Style Multiple Choice The term MOST-Likely used to imply that a solution is aqueous with a pH of 2 and below, or 12.5 and above is:
A. ignitability B. corrosiveness C. reactivity D. toxicity