When using a torch to braze a fitting, the technician should use the proper size ____, wear ____, and always have a ____ nearby.

A. copper pipe, insulated boots, fire extinguisher
B. torch tip, insulated boots, protective fire shield
C. torch tip, safety glasses, fire extinguisher
D. acetylene tank, safety glasses, bucket of water


Answer: C

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If a 9V battery produces a current of 3A through a load, the resistance of the load is _____.

a. 3W b. 27? c. 2.7? d. 3?

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The 1963 March on Washington led by Martin Luther King, Jr., provided critical support for

A. the War on Poverty. B. the Democratic party. C. the Voting Rights bill. D. the Civil Rights bill to protect black citizens and to prohibit segregation in public accommodations. E. jobs and Medicare.

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The most important factor when installing interference fit bearings by heating them is _____

a. timing b. lubrication c. cooling d. pressure applied

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Which of these is correct about emergency or evasive action?

a. In order to turn quickly you must have a firm grip on the steering wheel. b. You can stop more quickly than you can turn to miss obstacles. c. Stopping is always the safest thing to do in a traffic emergency.

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