Technician A says that the horn is wired in parallel with the horn switch. Technician B says that a relay is commonly used to control horn operation. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
B
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Show that the value of If for the building of Figure 2.27 is 0.71.
American Gas Products manufactures a device called a Can-Emitor that empties the contents of old aerosol cans in 2 to 3 seconds. This eliminates the need to dispose of the cans as hazardous waste. If a paint manufacturing company can save $90,000 per year in waste disposal costs, how much could the company afford to spend now on the Can-Emitor if it wants to recover its investment in 3 years at an interest rate of 20% per year?
What will be an ideal response?
A benefit of operating a compressor unloaded is ____.
A. reduced energy costs B. reduced compression ratios C. increased cooling D. both a and b
Laminated veneer lumber (LVL) and laminated strand lumber (LSL) are types of _____.
A. engineered lumber B. drywall C. timber D. veneer