The blower will run at full speed when ________ is applied to the motor
A) 12 volts B) 6 volts through a resistor
C) Resisted volts D) None of these
A
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A computer chip with a mass of 50 g, made of copper, experiences an electrical work input of 10-W. The chip is insulated. Initially, the chip has a temperature of 20oC. What is the temperature of the chip after one minute of operation?
Given: Cu; m = 50 g = 0.050 kg; W?= -10 W = -0.010 kW; T1 = 20oC; t = 1 min = 60 s Assume: Q = 0 (insulated); ?KE = ?PE = 0 What will be an ideal response?
Prairie chickens require native prairie grasslands
a. True b. False Indicate whether the statement is true or false
The ____________________ refers to the edge of the metal burned back slightly by the electrode just ahead of the molten weld pool.
Fill in the blank(s) with the appropriate word(s).
Hard spots in a brake drum are caused by ________
A) Machining a drum at too high a speed B) Excessive heat and pressure C) Improper mounting of the drum on the lathe D) Machining a drum without using a rubber belt to damper out the vibrations