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gavmur [86]
3 years ago
7

How do you describe sound? (SELECT ALL THAT APPLY.) PLEZ HELP MEH!!

Engineering
1 answer:
otez555 [7]3 years ago
6 0
C, this is because Loud sounds and softer sounds have different amplitudes and different energy rates
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Refectories are one of the types of ceramics that have low melting temperature. a)-True b)-False
MaRussiya [10]

Answer:

b). False

Explanation:

A refractory material is a type of material that can withstand high temperatures without loosing its strength. They are used in reactors, furnaces, kilns, etc.

    Refractory materials are certain super alloys and ceramics materials.

Properties of refractory materials :

1. Refractory materials have high melting point.

2.They acts barriers between high heat zone and low heat zone.

3. The specific heat of refractory material is very low.

4. Refractories that have high bulk densities are better in quality.

Hence, Refractory materials have a very high melting temperature.

3 0
3 years ago
3. Technician A says passive permanent
Angelina_Jolie [31]

Answer:

Both technician A and B

Explanation:

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3 years ago
The two types of outlets that are found in an electrical system are:______
Dmitry [639]

Answer:

a. lighting and receptacle outlets

Explanation:

The two types of outlets that are found in an electrical system are

a. lighting and receptacle outlets

Outlets allow electrical equipment to connect to the electrical grid. The electrical grid provides alternating current to the outlet.

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3 years ago
Thoughts about drinking and driving
poizon [28]

Answer: it’s very bad behavior and can be dangerous

Explanation:

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The parts of a feature control frame are the tolerance value, the datum references, and the
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d

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