____, also known as engine knocking, is the explosion of highly compressed air and the unburned fuel mixture in the cylinder.
a. Ignition
b. Exhaust
c. Detonation
d. Atomization
c. Detonation
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Technician A says: An ammeter measures current flow in a circuit. Technician B says: Unlike the voltmeter and the ohmmeter, the ammeter must be placed across or in parallel with the circuit or component being tested. Who is correct?
A. Technician A B. Technician B C. Both A and B D. Neither A nor B
When Woodrow Wilson became president in 1912, the most serious shortcoming in the country's financial structure was that
A. federal paper money was not backed by sound gold or silver. B. heavy state and federal regulation of big business and trusts that handicapped the development of business in America. C. the banking system was too heavily regulated by the federal government. D. the U.S. dollar was rigidly tied to gold. E. money for lending was inelastic and heavily concentrated in New York City.
High speed steel (HSS) tools are:
A) Able to withstand higher temperatures than other kinds of cutting tools such as carbides B) Easily shaped into desired forms of tools C) Used by machinists more often than any other kinds D) Often used on machines that are capable of operating only at high RPM
The greater the concentration of dissolved solids in an HVAC system's water, the greater the potential for
_____. a. foaming b. temperature fluctuations c. corrosion d. electrolysis