What is the SI unit for work?
a. Newtons
b. Watts
c. Kelvins
d. Joules
d. Joules
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The diameter of a rivet (in mm) is a random variable with probability density function
a. What is the probability that the diameter is less than 12.5 mm?
b. Find the mean diameter.
c. Find the standard deviation of the diameters.
d. Find the cumulative distribution function of the diameter.
e. The specification for the diameter is 12.3 to 12.7 mm. What is the probability that the specification is met?
Determine the difference in annual worth between an investment of $100,000 per year for 50 years and an investment of $100,000 per year forever at an interest rate of (a) 5% and (b) 10% per year. Compare the two differences.
What will be an ideal response?
Technician A says that EGR (Exhaust Gas Recirculation) is usually not needed at idle, and not wanted at wide-open throttle for maximum engine performance, or when the engine is cold. Technician B says that oxides of nitrogen (NOx) are formed inside the combustion chamber due to heat exceeding 4500°F. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician
In a ____ configuration, the positive terminal of the first cell is connected to the negative terminal of the second cell; the positive terminal of the second cell is connected to the negative terminal of the third cell, and so on.
A. parallel B. series-parallel C. series-opposing D. series-aiding