Which of the following is used to check the rotating speeds of motors?
a. Insulation resistance tester
b. Tachometer
c. Spring tension scale
d. Stethoscope
b. Tachometer
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____________________ is much easier to use than the anaerobic adhesive method and usually comes in a kit with other materials.
Fill in the blank(s) with the appropriate word(s).
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A good average pressure for a home connected to a public water supply is _____.
a. 35 psi b. 50 psi c. 70 psi d. 85 psi
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En un transformador,
a. la tensión se genera en la bobina primaria. b. se produce inducción electromagnética. c. no hay presente ningún campo magnético. d. se produce capacitancia
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State 10 kilowatt-hours as megajoules.
Fill in the blank(s) with the appropriate word(s).
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