ENGINEERING MIDDLE SCHOOL

Which of the following is not necessary a reason to machine a brake drum?A. Taper
B. Minor scoring
C. Out-of-roundness
D.pulsation

Answers

Answer 1
Answer:

Minor scoring is not necessary a reason to machine a brake drum. Option B is correct.

What is a Drum Break?

A drum brake is a type of brake that relies on friction created by a set of shoes or pads pressing outward against a revolving cylinder-shaped element known as a brake drum.

Drum brakes are commonly used to describe brakes in which shoes press on the inner surface of the drum. Drum brakes provide consistent braking force regardless of whether the vehicle is moving forward or backward.

This is due to the fact that drum brakes produce the same braking force in both directions. This kind is typically seen on passenger car rear brakes. Drum brakes were so named because the components were placed in a circular drum that revolved with the wheel.

Inside was a pair of shoes that would be forced against the floor if the brake pedal was pushed.

Therefore, option B is correct.

To learn more about the Drum Break, refer to:

brainly.com/question/14925462

#SPJ2
Answer 2
Answer: Minor scoring should be your answer

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What is the function of engineers?

Answers

Answer: the function of an Engineers is to develop new technological solutions

Explanation:

Answer:

hope this works

Explanation:

Ame:
7. A step-down transformer reduces the primary current.
True or false

Answers

False


..............

It increases the primary current a step up reduces the primary current
The answer is false.

In order to break even, your minimum selling price must be __________ your variable costs.

Answers

Your minimum selling price must be HIGHER THAN your variable costs

Which statement best explains the underlined portion of the quote from the declaration of independence

Answers

Missing part of question

("We hold these truths to be self-evident, that all men are created equal....")

Answer:

Both citizens and political leaders have equal rights

Explanation:

The statement tries to remind those elected and in power as our political leaders that we are all equal with those who elected us. Therefore, both citizens and political leaders have equal rights. The statement was common among the founding fathers of several nations in Europe and America.

Compared to 15 mph on a dry road, about how much longer will it take foryou to stop at 30 mph on a snow-covered road?

2 to 3 times

4 to 6 times

8 to 10 times

Answers

Answer:

8 to 10 times

Explanation:

For dry road

u= 15 mph        ( 1 mph = 0.44 m/s)

u= 6.7 m/s

Let take coefficient of friction( μ) of dry road is 0.7

So the de acceleration a = μ g

a= 0.7 x 10  m/s ²                         ( g=10 m/s ²)

a= 7 m/s ²

We know that

v= u - a t

Final speed ,v=0

0 = 6.7 - 7 x t

t= 0.95 s

For snow road

μ = 0.4

de acceleration a = μ g

a = 0.4 x 10 = 4 m/s ²

u= 30 mph= 13.41 m/s

v= u - a t

Final speed ,v=0

0 = 30 - 4 x t'

t'=7.5 s

t'=7.8 t

We can say that it will take 8 to 10 times more time as compare to dry road for stopping the vehicle.

8 to 10 times
I would say 2-3 times but I’m not quite sure

1. When two vehicles moving at the same speed are involved in a collision, the vehicle that

Answers

Answer:

that has

Explanation:

more weight may cause a strong hit
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