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Question
If you stay out too long at the beach you may get a sunburn as a result of too much heat being transferred to your skin. What mode of heat transfer is responsible for this?a. conduction
b. convection
c. radiation
d. none of the above
Answer
This answer is hidden. It contains 1 characters.
Related questions
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In general, the scope of an engineering technologist's work is more application oriented and requires less understanding of mathematics, engineering theories, and scientific concepts that are used in complex designs.
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b. North American Space Administration
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d. National Aero-Space Administration
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b. Notebook paper
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d. Smart phones
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The quantity or numerical value within a linear model that shows by how much the dependent variable changes each time a change in the independent variable is introduced is known as
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In general, engineering problems are mathematical models of physical situations.
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Evaluate:
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There are two common ways of expressing the amount of water vapor in air:
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c. absolute humidity and relative humidity.
d. none of the above
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The layer of air closest to the earth's surface is called the troposphere and plays an important role in shaping our weather.
a. True
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________________
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Fiber optics is the branch of science that deals with transmitting data, voice, and images through thin plastic or glass fibers.
a. True
b. False
Q:
Which type of glass is better in high-temperature applications?
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Silicone is a synthetic compound that is commonly used in lubricants, varnishes, and waterproofing products.
a. True
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Q:
Wood is an anisotropic material, meaning that its properties are direction-dependent.
a. True
b. False
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a. True
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a. True
b. False
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Bronze is an alloy of copper and tin.
a. True
b. False
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Titanium"‚has an excellent strength-to-weight-ratio. Titanium is used in applications where relatively high temperatures, exceeding 400C up to 600C, are expected.
a. True
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A fluid's ______________ represents how compressible the fluid is. How easily can one reduce the volume of the fluid when the fluid pressure is increased?
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The lower the viscosity value is, the more resistance the fluid offers to flow.
a. True
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Modulus of elasticity is a measure of how easily a material can be twisted or sheared.
a. True
b. False
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a. True
b. False
Q:
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a. True
b. False
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An engineering drawing is dimensioned with the aid of
a. dimension lines.
b. extension lines.
c. centerlines and leaders.
d. all of the above
Q:
There are basically two concepts that you need to keep in mind when specifying dimensions in an engineering drawing:
a. size and location.
b. size and material.
c. size and tolerance.
d. part number and material.