Answer the following statement(s) true (T) or false (F)
1. Torque is an essential component used in the calculation of the horsepower rating of a machine.
2. Horsepower is proportional to torque and speed.
3. Torque is the product of the effective length (l) of the torque arm in feet times the net force (F) on the scale in pounds.
4. Horsepower equals (2?xTorquexrpm) /3,300
5. Torque of a motor can be found with a revolutions counter and stopwatch, or a tachometer, or a calibrated stroboscopic light.
1. True
2. True
3. True
4. False
5. False
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________ is credited with having the first nursery in North America.
A) John Bartram B) David Landreth C) Bernard McMahon D) William Prince
Plants that have adapted so well to a locale that people incorrectly assume that they evolved there have what general identity?
a. native plants c. naturalized plants b. exotic plants d. hardy plants
The subsequent problems deal with the circuit below where all voltage sources are dc and the circuit is assumed to be in steady state. Also, R1 = R2 = R3 = R4 = R.
If I2 = 2 A, the current through R2 is
A. 2 A B. 1 A C. 4 A D. 3/2 A E. 1/2 A
Express 210 3/8 inches in feet and inches.
What will be an ideal response?