____ is defined as a twisting action that tends to turn one part or end around a longitudinal axis while the other part or end remains fixed.
A. Compression
B. Extension
C. Tortion
D. Expansion
E. none of the above
Answer: C
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Steam that is removed from the steam generating drum and heated up to a higher temperature.
a. boiler load b. superheated steam c. desuperheated steam d. cut in the line
A system consists of components A and B connected in series, as shown in the following schematic illustration. The lifetime in months of component A is log-normally distributed with µ = 1 and ? = 0.5, and the lifetime in months of component B is lognormally distributed with µ = 2 and ? = 1. The system will function only so long as A and B both function.
a. Generate, by simulation, a large number (at least 1000) of system lifetimes.
b. Estimate the mean system lifetime.
c. Estimate the probability that the system fails within 2 months.
d. Estimate the 20th percentile of system lifetimes.
e. Construct a normal probability plot of system lifetimes. Is the system lifetime approximately normally distributed?
f. Construct a histogram of the system lifetimes. Is it skewed to the left, skewed to the right, or approximately symmetric?
The voltage produced by a magnetic field cutting through a conductor depends on the ________
A) direction of motion B) length of the conductor C) speed of motion D) all of the above
List four of the major sources of electrical hazards in the workplace
What will be an ideal response?