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postnew [5]
3 years ago
7

Is there anyone who can help me with welding?

Engineering
1 answer:
Artist 52 [7]3 years ago
8 0

Answer:

I do know some things on welding. Though I don't know what kind of welding you mean ill give you some simple tips.

Explanation:

When welding make sure there are no air pockets or the whole piece of material will break. Always watch your piece closely, letting your eyes off for a minute could be the end. Always weld your piece onto the handle as strongly as possible. If you don't have I good handle it will fall off. Also always wear goggles so nothing gets in your eye. Hope this helps!

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Part A - Transmitted power A solid circular rod is used to transmit power from a motor to a machine. The diameter of the rod is
uranmaximum [27]

Answer:

Explanation:

Given that solid circular rod rotates at constant speed and neglecting losses throughout the system, power is calculated as the product of torque and angular speed. That is to say:

\dot W = T \cdot \omega

There is a formula that relates torque with shear stress:

\tau = \frac{T \cdot D}{2 \cdot J}

Where J is the torsion module, whose formula for a solid circular cross section is:

J = \frac{\pi \cdot D^{4}}{32}

The tension module is calculated herein:

J = 3.835 in^{4}

Maximum allowed torsion is found by isolating it from shear stress equation:

T_{max} = \frac{2 \cdot J \cdot \tau_{max}}{D}

T_{max} = 31.907 kip \cdot in\\T_{max} = 2.659 kip \cdot ft

Then, maximum transmissible power is determined directly:

\dot W = (2.659 kip \cdot ft) \cdot (2)\cdot (\pi) \cdot (170 rpm)\\\dot W \approx 2840.188 \frac{kip \cdot ft}{min} \\\dot W \approx 86.066 h.p.

8 0
3 years ago
Which type of system is being researched to deliver power to several motors to drive multiple systems in vehicles?
qaws [65]

Answer:

pneumatic power system

Explanation:

pneumatic power can be used to quietly operate power windows, door locks, power mirrors, and much much more, also negative pressure pneumatics (vacuum) is used to control many engine and fuel systems

8 0
2 years ago
The number of weaving errors in a twenty-foot by ten-foot roll of carpet has a mean of 0.8 What is the probability of observing
Viktor [21]

Answer:

0.14% probability of observing more than 4 errors in the carpet

Explanation:

When we only have the mean, we use the Poisson distribution.

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

In which

x is the number of sucesses

e = 2.71828 is the Euler number

\mu is the mean in the given interval.

The number of weaving errors in a twenty-foot by ten-foot roll of carpet has a mean of 0.8.

This means that \mu = 0.8

What is the probability of observing more than 4 errors in the carpet

Either we observe 4 or less errors, or we observe more than 4. The sum of the probabilities of these outcomes is 1. So

P(X \leq 4) + P(X > 4) = 1

We want P(X > 4). Then

P(X > 4) = 1 - P(X \leq 4)

In which

P(X \leq 4) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3) + P(X = 4)

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

P(X = 0) = \frac{e^{-0.8}*(0.8)^{0}}{(0)!} = 0.4493

P(X = 1) = \frac{e^{-0.8}*(0.8)^{1}}{(1)!} = 0.3595

P(X = 2) = \frac{e^{-0.8}*(0.8)^{2}}{(2)!} = 0.1438

P(X = 3) = \frac{e^{-0.8}*(0.8)^{3}}{(3)!} = 0.0383

P(X = 4) = \frac{e^{-0.8}*(0.8)^{4}}{(4)!} = 0.0077

P(X \leq 4) = P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3) + P(X = 4) = 0.4493 + 0.3595 + 0.1438 + 0.0383 + 0.0077 = 0.9986

P(X > 4) = 1 - P(X \leq 4) = 1 - 0.9986 = 0.0014

0.14% probability of observing more than 4 errors in the carpet

5 0
3 years ago
Who was the American founder and leader of the Shakers in the 1770’s who advocated equality, individual responsibility, and peac
DaniilM [7]

Answer: Ann Lee (1736-1784)

Explanation:

6 0
3 years ago
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In a surface grinding operation, the wheel diameter = 8.0 in, wheel width = 1.0 in, wheel speed = 6000 ft/min, work speed = 40 f
Katen [24]

Answer: the answer will be d because it is the right one to be

Explanation:

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3 years ago
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