2.A. You can usually check for a leak in a vacuum system by looking at or feeling A. at the exhaust of the vacuum pump. B. at the vacuum gauge at the vacuum pump. C. for signs of dirt on the piping.
2.A. You can usually check for a leak in a vacuum system by looking at or feeling
A. at the exhaust of the vacuum pump.
B. at the vacuum gauge at the vacuum pump.
C. for signs of dirt on the piping.
2.B. When you measure the voltage drop across a set of contacts, you're
A. checking the quality of the contact set.
B. sensing how much current is flowing in the circuit.
C. measuring the equivalent motor resistance.
2.C. A chain-drive system can be aligned easier than a belt-drive system since the chain-drive system
A. can have a string left on the sprockets after the alignment is complete.
B. can have the chain removed while the final alignment is taking place.
C. is less critical to misalignment.
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