What component regulates the temperature of the coolant in an engine?
A) Radiator B) Cooling (water) jackets
C) Cooling fans D) Thermostat
D
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La misión principal de OSHA es:
a. asignar inspectores de seguridad a todos los sitios de trabajo. b. crear normas y regulaciones que cubran todos los aspectos de los proyectos de construcción. c. asegurar que los empleadores mantengan un lugar de trabajo seguro. d. identificar a personas que violen las reglamentaciones de seguridad.
A triangle has sides adjacent to the right angle that are 12 inches and 16 inches long. The length of the third side is _____.
a. 4 inches b. 20 inches c. 28 inches d. 48 inches
In a sample of 100 steel canisters, the mean wall thickness was 8.1 mm with a standard deviation of 0.5 mm.
a. Find a 95% confidence interval for the mean wall thickness of this type of canister. b. Find a 99% confidence interval for the mean wall thickness of this type of canister. c. An engineer claims that the mean thickness is between 8.02 and 8.18 mm. With what level of confidence can this statement be made? d. How many canisters must be sampled so that a 95% confidence interval will specify the mean wall thickness to within ±0.08 mm? e. How many canisters must be sampled so that a 99% confidence interval will specify the mean wall thickness to within ±0.08 mm?
Which of the following are the components of a corporate AIDS policy?
A. Employee rights. B. Testing. C. Education. D. All of the above.