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NNADVOKAT [17]
3 years ago
5

The type of current that flows from the electrode across the arc to the work is called what?

Engineering
1 answer:
Scrat [10]3 years ago
5 0

Answer:

Direct current.

Explanation:

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A mechanism is a device that transmits movement so the output movement is different from the input movement. identify three ways
igomit [66]

Answer:

• Gear ratios compare the output (or driven gear)

to the input (or drive gear)

• Gear Ratios can be determined using number

(n) of teeth on the gear or diameter (d) of the

gear

• If the output gear is larger than the

input gear the speed will decrease

• If the output gear is smaller than the

input gear the speed will increase

7 0
3 years ago
What is the correct way to measure the overall length of a boat? Measure from the tip of the bow to the highest point on the gun
Firlakuza [10]

Answer:

Correct way to measure the overall length of a boat is:

Measure from the tip of the bow in a straight line to the stern of the boat.

.

6 0
3 years ago
A car is traveling at 70 mi/h on a level section of road with good, wet pavement. Its antilock braking system (ABS) only starts
siniylev [52]

Answer: The theoretical stopping distance is 1.245 miles (6572.193 ft).

Explanation:

First, the physical model is created by using Principle of Energy Conservation and Work-Energy Theorem. It is assumed that surface is horizontal, so there are no changes associated with potential energy. The car has an initial kinetic energy, which is completely dissipated by braking.

K_{1} = \Delta W_{loss}

\frac{1}{2} \cdot m \cdot v^{2} = m \cdot g \cdot (\mu_{2} \cdot \Delta s_{2}+\mu_{2'} \cdot \Delta s_{2'})

The distance is isolated from previous equation:

\Delta s_{2'} = \frac{1}{\mu_{2'}}\cdot (\frac{1}{2}\cdot \frac{v^{2}}{g} - \mu_{2} \cdot \Delta s_{2})

By replacing variables, the distance is calculated herein:

\Delta s_{2'} = \frac{1}{\frac{0.02}{0.80}}\cdot (\frac{1}{2}\cdot \frac{(102.667\frac{ft}{s} )^2}{32.174 \frac{ft}{s^{2}}} -  (0.02) \cdot (100 ft))

\Delta s_{2'} = 6472.193 ft\\\Delta s_{2'} = 1.226 mi

The theoretical stopping distance is:

\Delta s = \Delta s_{2} + \Delta s_{2'}\\\Delta s = 6572.193 ft\\\Delta s = 1.245 mi

5 0
3 years ago
A well-insulated, rigid vessel contains 3 kg of saturated liquid water at 40°C. The vessel also contains an electrical resistor
Olenka [21]

Answer:

The final temperature in the vessel after the resistor has been operating for 30 min is 111.67°C

Explanation:

given information:

mass, m = 3 kg

initial temperature,  T₁ = 40°C

current, I = 10 A

voltage, V = 50 V

time, t = 30 min = 1800 s

Heat for the system because of the resistance is

Q = V I t

where

V = voltage (V)

I = current (A)

t = time (s)

Q = heat transfer to the system (J)

so,

Q = V x I x t

   = 50 x 10 x 1800

   = 900000

   = 9 x 10⁵ J

the heat transfer in the closed system is

Q = ΔU + W

where

U = internal energy

W = work done by the system

thus,

Q = ΔU + W

9 x 10⁵ = ΔU + 0, W = 0 because the tank is a well-insulated and rigid.

ΔU = 9 x 10⁵ J = 900 kJ

then, the energy change in the system is

ΔU = m c ΔT

ΔT = ΔU / m c, c = 4.186 J/g°C

     = 900 / (3 x 4.186)

     = 71.67°C

so,the final temperature (T₂)

ΔT = T₂ - T₁

T₂ = ΔT + T₁

    = 71.67°C + 40°C

    = 111.67°C

5 0
3 years ago
What are the 5 different components of the four-stroke engine?
Dmitrij [34]

Answer: Piston.

Crankshaft.

Camshaft.

Spark plug.

Cylinder.

Valves.

Carburetor.

Flywheel.

Explanation: What Are the Strokes of a 4-Cycle Engine? At the end of the compression (previous) stroke, the spark plug fires and ignites the compressed air/fuel mixture. This ignition/explosion forces the piston back down the cylinder bore and rotates the crankshaft, propelling the vehicle forward.

5 0
3 years ago
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