Express 5 feet 7 1/4 inches to the nearest thousandth foot.
A. 5.439
B. 5.488
C. 5.572
D. 5.604
Answer: D
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Using the following information, determine the ownership and operating costs for a hydraulic excavator.
Actual cost (delivered)—$172,600 Horsepower rating—245 hp Salvage value—$17,200 Useful life—8 years at 1,600 hours per year Total interest—6.5 percent per year Insurance—$2,589 per year Taxes—$3,020 per year Storage—$2,157 per year Fuel cost—$3.65 per gallon Fuel consumption rate—0.04 gallons per hp per hour Power utilization—60 percent Use factor—50 minutes per hour (83.33 percent) Lubrication—7 quarts of oil at $4.65 per quart Oiler labor—2.9 hours at $31.27 Lubrication schedule—every 150 hours Oil filter—$10.95 Grease—1 tube per 8 hour shift at $8.50 Air filter—$22.50 changed every 450 hours Repairs to equipment—75 percent over useful life
?What is the term for the pushrod engine hydraulic lifter adjustment accomplished simply by torquing the adjusting nut against a shoulder?
What will be an ideal response?
Answer the following with regard to the TTT diagram of a steel of eutectoid composition, shown in Fig. 18.13, and assumed that the specimens involved in the various cooling paths were cut from a thin sheet and austenitized at 750°C before cooling. Describe the microstructure resulting from being:
(a) Cooled to room temperature in less than 1 second. (b) Cooled to 160°C in less than 1 second, and then maintained at this temperature for several years. (c) Quenched to 650°C, and held at this temperature for 1 day, then quenched to room temperature.
Ostrich leather is thinner and finer textured than emu leather.
Answer the following statement true (T) or false (F)