Explain the advantages and disadvantages of an absorbed glass mat (AGM) battery
What will be an ideal response?
Advantages of the AGM battery include the following; maintenance free, leakproof / spillproof, very low gassing unless it's overcharged, rechargeable to 90% in approximately 4 hours, completely recharged in six hours.
Disadvantages; total battery life becomes shorter if it is allowed to completely discharge frequently, charging circuit needs temperature control and temperature compensation, battery is completely sealed so it is difficult to add or replace electrolyte, charge foliage limited to 14.4 to 14.7 so battery does not become overcharged.
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The rebar-tying method shown in the figure is called a _____.
a. wrap-and-tie
b. standoff tie
c. bar hitch
d. nail-head tie
According to Ohm's Law, what is the resistance when 1 volt pushes 1 ampere of current through a conductor?
A. 0 ohm B. 1 ohm C. 1 watt D. 1 coulomb
A no-start condition is being described on an engine equipped with a waste spark ignition system. Technician A says that a bad CKP (crankshaft position) sensor could be the cause. Technician B says that an open spark plug wire could be the cause. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Diamond and polycrystalline diamond tools are used to:
A) Take heavy cuts for high stock removal B) Make intermittent cuts at low speed C) Replace carbide tools on most materials D) Machine hard, abrasive materials at high speed