Unformatted text preview: (circle one) R1-2 / R3-4 / R5-6 The definition of horsepower is: A. 1 hp = .55 lb-ft / s B. 1 hp = 5.5 lb-ft / s C. 1 hp = 55 lb-ft / s D. 1 hp = 550 lb-ft / s Torque vs speed curves for electric motors are: A. linear B. parabolic C. exponential D. useless Gearing can be used to increase motor torque at the expense of what? A. motor power B. output torque C. output speed D. battery life Given a motor shaft speed of 150 rpm, a 6” diameter wheel and 75% efficiency, what is the linear velocity of your robot? Select the appropriate drill size for tapping a 5/16 coarse thread in aluminum: Select the appropriate drill size for tapping an 8 mm fine thread in steel: A. 0.266” (H drill bit) B. 0.277” (J drill bit) C. 0.290” (L drill bit) D. What do 8 m&m’s have to do with this ☺ ?...
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- Spring '08
- Electric motor, appropriate drill size