There is a gear ratio of 3:1 between a pair of gears. One gear has 18 teeth. How many teeth can the other gear have?
A. 6 teeth
B. 9 teeth
C. 36 teeth
D. 54 teeth
E. both a and d
Answer: A
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Using the following information, determine the ownership and operating costs for a scraper.
Actual cost (delivered)—$162,000 including tires Horsepower rating—200 hp Cost of tires—$6,000 Salvage value—$32,400 Useful life—6 years at 1,400 hours per year Total interest—7 percent per year Insurance—$3,240 per year Taxes—$3,645 per year Storage—$2,025 per year Fuel cost—$3.90 per gallon Fuel consumption rate—0.06 gallons per hp per hour Power utilization—85 percent Use factor—40 minutes per hour (66.67 percent) Lubrication—8 quarts of oil at $4.50 per quart Oiler labor—2.2 hours at $27.65 Lubrication schedule—every 100 hours Oil filter—$8.70 Grease—1 tube per 8 hour shift at $7.00 Air filter—$17.00 changed every 200 hours Life of tires—3,500 hours Repair to tires—12 percent of deprecation Repairs to equipment—120 percent over useful life
Savanna goats can be solid black, solid red, or a mixture of white and tan, red, or black
Indicate whether the statement is true or false
If a low-pass RL filter's cutoff frequency is 20 kHz, its bandwidth is ________
A) 20 kHz B) 0 Hz C) 40 kHz D) unknown
Plans used for work that has to do with construction in or on the earth are called _____
A) structural foundations B) exterior views C) civil plans D) architectural renderings