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3 years ago

QUESTIONS

Engineering

1 answer:

igomit [66]3 years ago

5 0

Answer:

According to many of the states' driving rules.

All vehicles of 3,000 pounds or more are required to have a brake system that makes them break as a response to the breaking of the vehicle's tow.

Explanation:

The reason behind this answer is that vehicles of more than 3,000 pounds are extremely dangerous and difficult to control. Therefore, when the tow breaks the automatic brake system is required. Because they are too big to be controlled, and if they are left without a brake system to reduce their damage they can destroy entire houses or other cars if this mechanism is not implemented.

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Air at 300 K and 100 kPa steadily flows into a hair dryer having electrical work input of 1500 W. Because of the size of the air

dezoksy [38]

Answer:

0.0280Kg/s

Explanation:

Given:

W = 1500

V2 = 300

V1 = 0

Q = 0 ( adiabatic)

T1 = 300

T2 = 20 m/s = converting to degrees we have 353°c

Let's use the energy equation

$Q - W = m_• *( Cp(dT) + 0.5*(V2^2 - V1^2) Q = 0$

[/tex] m_• = W / (Cp(dT) + 0.5*V2^2) [/tex]

$= 1500 / (1005(353 - 300) + 0.5*21^2)$

$= 1500 W / 53485.5 =0.0280 kg/s$

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4 years ago

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The speed of sound is 1150 ft/s convert to mile/h

Sonbull [250]

Answer:

784.090909mph

Explanation:

1ft/s=0.681818 mph

1150ft/s=0.681818 x 1150=784.090909

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For a gearbox power and efficiency test apparatus that accommodates interchangeable gearboxes, drive up to 0.5kW. How to select

BigorU [14]

Answer:

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With this value knowing the speed of rotation of the gearbox we select an engine that has a power just above.

Also keep in mind that the motor torque must be greater than the resistance offered by the gearbox and the 0.5Kw machine

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dusya [7]

Answer:

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Answer:

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