Answer the following statement(s) true (T) or false (F)
1. If a 2-pound weight is lifted a distance of 3 feet, the work done is equal to 5 foot-pounds.
2. An elevator motor does more work if the elevator moves quickly to the top floor than it does if it moves slowly.
3. The watt (W) is used as the unit of electrical power.
4. The faster a given amount of work is accomplished, the greater the power required.
1. False
2. False
3. True
4. True
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When eBay was first started, it was crowdfunded.
Answer the following statement true (T) or false (F)
If the preheat flame is too hot, the surface melts before the metal is heated through
Indicate whether the statement is true or false.
A DWDM network is designed with optical amplifiers placed strategically between point A and point B. The number and placement of the Op Amp is determined by:
A) Distance B) No. of wavelengths deployed C) Type of fiber D) Signal Loss E) Manufacturer specs F) All of the above Indicate whether the statement is true or false
Wooden roof framing by conventional or ____ is accomplished by spanning from wall to wall with ceiling joists and from double top plate to ridge board with rafters.
A. web framing B. stick framing C. rafter framing D. joist framing