A 60-volt electric time clock circuit with several clocks connected in parallel has a 2-wire line voltage drop of 12.5 volts when the circuit is closed. Using Ohm's law, find the total resistance of the 2-wire line if a current of 10 amps exists. Carry the answer to two decimal places.
Fill in the blank(s) with the appropriate word(s).
1.25
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Describe spur gears.
What will be an ideal response?
A delivery car had a first cost of $30,000, an annual operating cost of $12,000, and an estimated $4000 salvage value after its 6-year life. Due to an economic slowdown, the car will be retained for only 2 years and must be sold now as a used vehicle. (a) At an interest rate of 10% per year, what must the market value of the 2-year-old vehicle be in order for its AW value to be the same as the AW for a full 6-year life cycle? (b) Compare your answer in (a) with the first cost and expected salvage after 6 years. Is the required market value a reasonable one, in your opinion?
What will be an ideal response?
The normal fan switch off temperature range is
A) 85°F - 90°F B) 125°F - 130°F C) 95°F - 100°F D) 140°F - 150°F
When the coil of S contactor energizes, all S contacts ____.
A. retract B. change position C. de-energize D. remain in position