ENGINEERING MIDDLE SCHOOL

1. The AWS A5.5 is a list of electrodes used to weld which type of metal?A Copper and copper alloys.
B. Carbon steels.
C. Low alloy steels.
D. Gray and ductile iron.
E. Corrosion-resistant steels.

Answers

Answer 1
Answer:

Answer:

low alloy steels

Explanation:
Answer 2
Answer: C). Low alloy steels because I need points

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A guy named Kirby Had touched only a gear on the projector. Yet there was a out of the blue rip. Kirby did not mind at all and started the projector. Things went wrong and the tape would not work. What ripped?

Answers

The guy named Kirby didn't touch the power button on the projector. If he touched means the projector will work fine.

Explanation:

  • Kirby touched the gear on the projector. He should check the projector carefully before operating the projector. But he didn't check properly.
  • There was a blue rip in the projector. Kirby fails to notice the blue rip. Without minding that he has started the projector. So the tape and the projector is not working well.
  • He should fix the blue rip and he should press the start button in the projector. The mistake is he didn't do that. This is the thing that made the projector ripped.                                                                                                                                                                  

                           

Define reverberation​

Answers

Explanation:

noun: 1)prolongation of a sound; resonance.

noun:2)a continuing effect; a repercussion

Which of the following is an example of a reliable source?A. A pamphlet on the economics of bridge building published by the organization
Citizens Against Government Spending.
B. An article in Environmental Science and Technology, a peer-reviewed journal
published by the American Chemical Society.
C. A newspaper editorial written by a United States senator.
D. A blog post by a university engineering student.

Answers

I think its C

im pretty sure

or it could be B

but C is my first choice

Did u hear about the guy that stole a limbo stick from that house? I mean how low can u go

A single slit diffraction pattern is obtained on a screen using yellow light. If the yellow light is replaced by blue light without making any other changes in the experimental set up, what will happen to the diffraction bands?

Answers

The diffraction bands would reduce.

Diffraction is the bending of a wave without any changes to the properties of the wave. During diffraction a wave changes direction of propagation.

Explanation:

The blue light would diffract less than the yellow light because the wavelength of blue light is shorter than that of yellow light in the electromagnetic radiation spectrum. Waves with shorter wavelength diffract less and are easily blocked by obstacles, especially when the obstacle is larger than the wavelength of the wave, while waves with longer wavelengths are able to diffract and pass past obstacles. This is why radio waves of longer wavelengths are ideal in communication over hilly/mountainous places

Learn More:

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Which is one of the aspects of PR in game marketing? A. It creates and discusses marketing strategy. B. It deploys a community of online players. C. It decides the geographics of the game. D. It constructs game demos.

Answers

Answer:d

Explanation:

Most likely

If a building is too humid, what harmful substance may be stored there?

Answers

Carbon dioxide is a harmful substance may be stored there, If a building is too humid.

What is humid?

Humidity is a measurement of the amount of water vapour in the atmosphere. If there is a lot of water vapour in the air, the humidity will be high. As the humidity increases, it feels more humid outside. In weather reports, humidity is frequently described using the word "relative humidity."

It normally has a temperature of at least 90 °F and a relative humidity of at least 30% when the air is hot and humid.

Because excessive humidity slows down perspiration evaporation, humid heat is riskier than dry heat. Patients may endure organ failure, a rapid heartbeat, high blood pressure, and even death if they are not given the chance to cool off.

Thus, it is Carbon dioxide.

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Answer:

carbondioxide

Explanation:
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