The Clean Air Act of 1990 required that vehicles sold in the United States be equipped with what feature?
What will be an ideal response?
The Clean Air Act (CAA) of 1990 required that OBD computer-based diagnostics be equipped on vehicles sold in the United States.
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In a study to compare two different corrosion inhibitors, specimens of stainless steel were immersed for four hours in a solution containing sulfuric acid and a corrosion inhibitor. Forty-seven specimens in the presence of inhibitor A had a mean weight loss of 242 mg and a standard deviation of 20 mg, and 42 specimens in the presence of inhibitor B had a mean weight loss of 220 mg and a standard deviation of 31 mg. Find a 95% confidence interval for the difference in mean weight loss between the two inhibitors.
What will be an ideal response?
A medium hybrid electric vehicle operates on about _______ volts
A) 42 B) 330 C) 36 D) 150
Technician A says that solvents with a flash point below 140°F (60°C) are combustible. Technician B says that solvents with a flash point above 140°F (60°C) are flammable. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Los requisitos para sistemas de HVAC se pueden encontrar en el:
a. NEC® Artículo 370. b. NEC® Artículo 398. c. NEC® Artículo 440. d. NEC® Artículo 516.