Which types of foundation brakes are used on air-brake equipped trucks and trailers?
A. S-cam-actuated
B. air disc brakes
C. air wedge-actuated
D. all of the above
Answer: D
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Commodities covered by federal government programs include
A) Rice. B) Hay. C) Pork. D) None of the above
A system consists of two subsystems connected in series, as shown in the following schematic illustration. Each subsystem consists of two components connected in parallel. The AB subsystem fails when both A and B have failed. The CD subsystem fails when both C and D have failed. The system fails as soon as one of the two subsystems fails. Assume that the lifetimes of the components, in months, have the following distributions: A: Exp(l), B: Exp(0.1), C: Exp(0.2), D: Exp(0.2).
a. Generate, by simulation, a large number (at least 1000) of system lifetimes.
b. Estimate the mean system lifetime.
c. Estimate the median system lifetime.
d. Estimate the probability that the system functions for more than 6 months.
e. Estimate the 90th percentile of system lifetimes.
f. Estimate the probability that the AB subsystem fails before the CD subsystem does.
Technician A says that wet asbestos is known as hazardous waste. Technician B says that dry asbestos is known as solid waste. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
Dimension lines terminate at extension lines with arrowheads, slash marks, or dots depending on the specific office practice.
Answer the following statement true (T) or false (F)