Which of the following is a sensitive ammeter that shows current direction?
A. Multifrequency receiver
B. Oscilloscope
C. Galvanometer
D. Voltmeter
C
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Which of the following is an example of an external combustion engine?
A. Gas engine B. Steam turbine C. Diesel engine D. Electric engine
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Which of the following improper operation can lead to an explosion in the firebox?
A) Loss of fuel gas or oil B) Failing to purge firebox C) Opening pressured header drains and vents D) Poor control of excess air and draft control
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A new world order referred to as globalization has developed, and there is no turning back
Indicate whether the statement is true or false
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A Grade 8 bolt has _______ Radial Lines on its heaD
A. No B. 2 C. 5 D. 6
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