Which of the following is true about a dual air brake system?
A. One is called the "primary" system and one is called the "secondary" system.
B. They use a single set of brake controls.
C. One system usually operates the front axle and one operates the rear axle.
D. All of the above.
Answer: D. All of the above.
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Compute the slopes at A and C and the deflection at B for the beam in Figure P7.9. Solve by the moment-area method. Unless noted otherwise, EI is a constant for all members. Answers may be expressed in terms of EI unless otherwise noted.
What did Pope Paul III hope to achieve by rationalizing Catholic doctrine and fostering a healthy College of Cardinals to assist the papacy?
a. to re-establish papal authority b. the eradication of Protestantism c. the return of infant baptism throughout Catholic territories d. to reconcile Catholic and Protestant beliefs in order to reunite European Christianity in a single church
Rooftop units should not be installed in close proximity to exhaust vents or industrial processes that create fumes because:
A) The heat from the rooftop unit might cause down drafts. B) The exhaust might stain the side of the unit. C) The exhaust can be pulled into the unit's outdoor air intake. D) The roof supports are weaker near the vents.
When drawing a roof framing plan for a gable roof, you primarily use _____ lines.
A. thin, continuous B. thick, continuous C. thin, dashed D. thick, dashed