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Thepotemich [5.8K]
3 years ago
10

Which of the following is NOT true about hydraulic valves? A. Directional control valves determine the path of a fluid in a give

n circuit B. Pressure reducing valve is another name for pressure relief valve C. A pressure relief valve is used to limits the maximum pressure in a hydraulic system D. Pilot check valves can permit flow in the normally blocked opposite direction E. All of the above
Engineering
1 answer:
Lelechka [254]3 years ago
5 0

Answer: Option D is not true of hydraulic valves. A hydraulic valve is a device that can change the opening degree of liquid flow path

Explanation:

The pilot check valve allows flow of liquid in one direction and blocks flow in the opposite direction

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When you come to an intersection, follow the _________ before you proceed.
Elodia [21]

Answer:

When you come to an intersection, follow this important rule (left, right, left). Look to the left first because vehicles coming from the left are closer to you. Look to the right. Take one more look to the left before you pull out.

Explanation:

7 0
3 years ago
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A wing generates a lift L when moving through sea-level air with a velocity U. How fast must the wing move through the air at an
vredina [299]

Answer:

V1 = 1.721 * V2

Explanation:

To start with, we assume that both lift forces are equal, such that

L2 = L1

1 is that of the level at 10000 m, and 2 is that of the level at sea level.

Next, we try and substitute the general formula for both forces such that

C(l).ρ1/2.V1².A = C(l).ρ2/2.V2².A

On further simplification, we have

ρ1.V1² = ρ2.V2², making V1 subject of formula, we have

V1 = √(ρ2/ρ1). V2²

Using the values of density for air at 10000 m and at sea level(source is US standard atmosphere), we have

V1 = √(1.225/0.4135) * V2

V1 = √2.9625 * V2

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4 0
3 years ago
Cold forging makes metal more workable than hot forging.<br> True<br> False
Whitepunk [10]

Answer:

I don't really know but i have some info for you...

Explanation:

The cold forging manufacturing process increases the strength of a metal through strain hardening at a room temperature. On the contrary the hot forging manufacturing process keeps materials from strain hardening at high temperature, which results in optimum yield strength, low hardness and high ductility.

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3 years ago
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In the combination of resistors above, consider the 1.50 µΩ and 0.75 µΩ. How can you classify the connection between these two r
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Answer: they are connected in series.

Explanation:

3 0
4 years ago
The concrete canoe team does some analysis on their design and calculates that they need a compressive strength of 860 psi. They
vlada-n [284]

Answer:

874 psi

Explanation:

Given a sample mean (x') = 900,

and a standard error (SE) = 10

At 99% confidence, Z(critical) = 2.58

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The value of the lower limit is,

900 - 25.8 = 874.2

≈ 874 psi

8 0
3 years ago
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