A particle ranging in size from approximately 0.1 micrometer to 0.001 micrometers is a(n):

A) Toxic nanoparticle
B) Nanotechnology particle
C) Fine particle
D) Ultrafine particle


D) Ultrafine particle

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What is the polarized field frequency relay responsible for?

What will be an ideal response?

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In adults, the stem cells responsible for the production of red and white blood cells originate primarily in the

A) liver. B) thymus. C) spleen. D) red bone marrow. E) yellow bone marrow.

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Plot the total volume as a function of temperature for 0.5 kg of hydrogen gas at 500 kPa, for temperatures varying between -50°C and 300°C. Assume the hydrogen behaves as an ideal gas.

Given: m = 0.5 kg; P = 500 kPa; H2 gas What will be an ideal response?

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Tech A says a humming noise in the differential is often caused by improper tooth contact between the drive pinion and ring gear. Tech B says the humming noise might be the differential pinion and side gears. Who is correct?

A. a only B. b only C. both a and b D. neither A nor B

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