Often, it is better to remove the mill scale before welding rather than risking the production of ____.

A. corrosion
B. fumes
C. porosity
D. waste


Answer: C

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One method used by circuit breakers to sense circuit current is to connect a(n) ____ in series with the load.

A. battery B. ammeter C. coil D. resistor

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Which hazard recognition technique involves breaking a job down into its individual parts and then analyzing each step?

a. Job Safety Analysis b. Pre-Task Planning c. Job Observation d. Pre-Job Planning Checklist

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Interiorscape designers need to know and speak intelligently about the____ to communicate with each

other in their schools, businesses, and public gardens and with professionals in allied industries.

a. tenets of marketing c. principles of design b. philosophy of sales d. rules of success

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A 60-W, incandescent light bulb operates at 120 V. How many electrons and coulombs flow through the bulb in one day?

What will be an ideal response?

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