Why is it important to place the sheave wheel in exactly the right place on the head frame?

Answers

Answer 1

Answer:

It is important to place the sheave wheel in exactly the right place on the head frame in order to move freely and minimize friction.

A sheave wheel refers to a grooved wheel that's used in holding a rope which is then incorporated in a pulley. The head frame supports the sheave wheel.

It should be noted that the sheave spins on an axle inside the frame of the pulley. This is necessary for allowing the wire to live freely and minimizing wear and friction on the cable.

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Answer 2

Answer:

I guess because these cables are hooked up to a elevate that transport miners, machines and ore into and out of the mine.

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Proper Goal Setting requires the goals to be:Difficult to achieve
Realistic
Not dependent upon any deadline for completion

Answers

Realistic goals are the easiest to achieve

5.PART A: How does Harry's repetition of the phrase "I'll be in my bedroom, making home
and pretending I'm not there" impact the tone of the passage?
A. It shows how much Harry loves sitting in his room all by himself so he can
practice magic.
B. It shows how much the Dursleys love Harry and respect his privacy.
It highlights the contrast between Harry's love for quiet time and Dudley's
hatred of it.
It highlights the contrast between the Dursley's excitement for the dinner and
Harry's loneliness.

Answers

The answer is : It highlights the contrast between the Dursley's excitement for the dinner and Harry's loneliness.

Harry is a lonely boy as he must remain outcast and invisible to Dursley's visitors. During this time, Dursleys are expecting some visitors which has relation to Vernon's job. Harry must stay in the bedroom so the visitors won't see him and won't ask some things about him. Since they are having a visitor, a dinner must be served to make the visit worthwhile which is what the Dursleys are looking forward to.

3. A security system uses sensors at every door and window which will set off analarm if any one of them is opened. There is also a keypad by an entry door toturn on or turn off the system. Describe how these components can be wired in acombination circuit to provide the needed security

Answers

A combination circuit would be needed for security because if you had a strait circuit if any one of those sensors or the keypad was ripped off the circuit will now let the flow of electricity be possible but with a combination circuit it helps eliminate that problem because even if on flow path is cut off, other paths are still available

The 2 main parts of Aerospace Engineering are aeronautical and astronautical

Answers

Answer:

that is ture

Explanation:

Aerospace engineering is the primary field of engineering concerned with the development of aircraft and spacecraft. It has two major and overlapping branches: aeronautical engineering and astronautical engineering.

What is optical media

Answers

Explanation:

Optical media refers to discs that are read by a laser.Examples of optical media are CD-ROM

What is a Flucrum i need help because that is what we are learning about in school. Thank you who ever helps me.

Answers

Fulcrum is the support, or point of rest, on which a lever turns in moving a body.

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