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Question
Coordinate systems are used to locate things with respect to a known origin.a. True
b. False
Answer
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Related questions
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a. True
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What does NASA stand for?
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For which of the following products are engineers directly involved in the production?
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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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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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The air surrounding the earth can be divided into four distinct regions:
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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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Silicone is a synthetic compound that is commonly used in lubricants, varnishes, and waterproofing products.
a. True
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Wood is an anisotropic material, meaning that its properties are direction-dependent.
a. True
b. False
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Precast concrete slabs, blocks, and structural members are fabricated in less time with less cost in factory settings where surrounding conditions are controlled.
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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Most of the mass of the earth comes from the mantle. The mantle is made up of molten rock that lies underneath the crust and makes up nearly 84% of the Earth's volume.
a. True
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As design engineers, whether you are designing a machine part, a toy, a frame for a car, or a structure, the selection of material is an important design decision.
a. True
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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
Q:
There are basically two concepts that you need to keep in mind when specifying dimensions in an engineering drawing:
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c. size and tolerance.
d. part number and material.