Inductive reactance is measured in ____.
A. farads
B. henries
C. ohms
D. watts
Answer: C
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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
The equation for air changes per hour natural is ACHNatural= ____.
A. ACH50 / N B. N / ACH50 C. ACH50 - N D. ACH50 x N
The General Motors Class 2 communication network is a ________ system.
A. Class C B. Class B C. Class A D. UART
Technician A says valve stems are often coated with Teflon. Technician B says chrome is the popular stem coating in Europe. Who is correct?
A. Technician A B. Technician B C. Both technicians D. Neither technician