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Question
Thermal energy transfer occurs whenever there exists a temperature difference within an object, or whenever there is a temperature difference between two bodies, or a temperature difference between a body and its surroundings.a. True
b. False
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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a. True
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For which of the following products are engineers directly involved in the production?
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b. Notebook paper
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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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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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a. True
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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
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Which type of glass is better in high-temperature applications?
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a. True
b. False
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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
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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?
a. modulus of rigidity
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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
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a. True
b. False
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An engineering drawing is dimensioned with the aid of
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b. extension lines.
c. centerlines and leaders.
d. all of the above
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There are basically two concepts that you need to keep in mind when specifying dimensions in an engineering drawing:
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b. size and material.
c. size and tolerance.
d. part number and material.