What is the chemically active matter on the anode plates of wet cell, lead-acid batteries?
A. antimony
B. lead peroxide
C. sponge lead
D. calcium
Answer: B
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The texture of the pile in a fusion-bonded carpet is
A) cut pile. B) frieze pile. C) level loop pile. D) multilevel loop pile. E) none of the above.
With the help of sketches and notes, explain the difference between a simple connection and a rigid connection between a wide-flange column and a wide-flange beam.
What will be an ideal response?
In a circuit with a short to ground ____________
A) Some or all of the electrical loads may no longer work B) No current flows past the point of the short C) Both A and B D) Neither A nor B
Posttensioning of concrete slabs is used to _____
a. reduce the amount of reinforcing steel needed b. shorten the curing time of the concrete c. allow the use of lower-strength concrete d. reduce cracking under heavy load