What is the chemically active matter on the cathode plates of wet cell lead-acid batteries?
A. antimony
B. lead peroxide
C. sponge lead
D. calcium
Answer: C
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A capillary tube metering device controls the refrigerant flow by pressure drop.
Answer the following statement true (T) or false (F)
How many AND gates would be required to completely decode all the states of a MOD-64 counter and how many inputs must each AND gate have?
A) 64 gates, 5 inputs to each gate B) 128 gates, 6 inputs to each gate C) 128 gates, 5 inputs to each gate D) 64 gates, 6 inputs to each gate
Which of the following is a good suggestion when bending the furnace plenum flange to minimize distortion?
A) Make a series of smaller angled bends along the length of the flange. B) Make a series of rips along the length of the flange. C) Make a series of larger angled bends along the length of the flange. D) Make a series of smaller angled bends along the width of the flange.
A __________ -type level device is used to measure a liquid-liquid interface tank.
A. float B. displacement C. purge