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Question
Examples of fibers used in the construction of composite materials includea. glass
b. graphite
c. silicon carbide fibers
d. all of 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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Good engineers have good grasp of fundamentals and are analytical, detail oriented, and creative.
a. True
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What does NASA stand for?
a. North American Space Agency
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d. National Aero-Space Administration
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For which of the following products are engineers directly involved in the production?
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d. Smart phones
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f. 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:
a. dew point and relative humidity.
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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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The air surrounding the earth can be divided into four distinct regions:
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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
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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
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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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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High alloy steels contain more than 8% of alloying elements.
a. True
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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?
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
b. False
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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
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.