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3 years ago

5

Technician A says vehicles with electronic throttle control do not need a separate cruise control module, stepper motor, or cabl

e to control engine speed. Technician B says a faulty brake light switch may cause the cruise control to not operate. Who is correct?

1 answer:

8_murik_8 [283]3 years ago

3 0

Answer: its A

Explanation:

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Nitrogen at an initial state of 300 K, 150 kPa and 0.2 m3 is compressed slowly in an isothermal process to a final pressure of 8

s344n2d4d5 [400]

Answer:

Work = - 4175.23 J

Heat Transfer = -4175.23 J

Explanation:

The work done in an isothermal process, is given by the following formula:

W = RT ln (P1/P2)

where,

W = Work done

R = Universal Gas Constant = 8.314 J/mol.k

T = Constant Temperature = 300 K

P1 = initial pressure = 150 KPa

P2 = final pressure = 800 KPa

using these values, we get:

W = (8.314 J/mol.K)(300 k) ln (150/800)

<u>W = - 4175.23 J</u>

Here, negative sign shows that work is done on the system.

In isothermal process, from 1st law of thermodynamics:

Heat Transfer = Q = W (Since change in internal energy is zero for isothermal processes)

<u>W = - 4175.23 J</u>

Here, negative sign shows that heat is transferred from the system to surrounding.

6 0

3 years ago

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Chairs and bolsters are used to:

weeeeeb [17]

Answer:e. support reinforcing bars in beams and slabs, prior to concrete placement.

Explanation: Chairs are used for construction of foundations,large steel supports,deck constructions and for underground works. Chairs can be for rebar support ( rebar support chairs),post tension chairs.

Bolsters are usually long made of metallic materials mainly used as support for construction of different infrastructures like roads it helps to ensure the concretes and other construction materials stay firmly connected. Image 1 is a metal be chair

Image 2 is a metal bolster

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3 years ago

Select the correct answer.

melomori [17]

Answer:

starburst

Explanation:

There are many different kinds of "hazard symbols," which are being used in order for people to recognize what kind of material they are handling. When it comes to "pictograms," the symbol for a hazard class of explosive is an exploding bomb that shows a<em> starburst effect.</em> An example of such chemical is the <em>"organic peroxide" </em>and other<u> self-reactive chemicals.</u>

A "flame" is a hazard symbol for<em> flammable substances</em>. A<em> </em>"gas cylinder" is a hazard symbol for <em>gases that are located in containers that are under pressure.</em> A "test tube" is a hazard symbol for <em>substances/materials that cause corrosion to skin.</em>

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3 years ago

Handsaw teeth are very sharp: to avoid being cut by the teeth, keep hands and fingers well away from the

siniylev [52]

Handsaw teeth are very sharp: to avoid being cut by the teeth, keep hands and fingers well away from the
path of the blade

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3 years ago

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How are radio waves carried?

bagirrra123 [75]

Answer:

c from transmitter to a receiver

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4 years ago

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