A variable resistor with two terminals is called a _____.
A. multiturn resistor
B. potentiometer
C. wire wound resistor
D. rheostat
Answer: D
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A cliff diver, mass 185 lbm, dives from a 155 ft cliff into the sea. Gravitational constant = 32.2 feet per second squared. Neglecting air friction:
(a) What is the diver’s total energy in joules at the following heights: 100 ft, 50 ft, surface of the water? (b) What is the diver’s velocity in mph at the first contact with the water?
The National Cancer Institute has concluded that there is no scientific evidence that pesticide residues at the allowable levels on fruits and vegetables cause cancer
Indicate whether the statement is true or false
What determines the amount of valve overlap?
A) Total lift in degrees B) Timing gears or chain C) Camshaft design D) Cam lobe accuracy
What type of measurement would be taken from the end of a pipe to the center of a fitting?
A. C-to-C B. E-to-C C. C-to-E D. E-to-E