a step-up transformer has 20 primary turns and 400 secondary turns. if the primary voltage is 120 v, what is the secondary voltage?

Answer:

Pistons should be inspected and measured.

Explanation:

Answer: the shear strength at a depth of 12 ft is 1034.9015 lb/ft²

Explanation:

Given that;

Weight of soil r = 118 lb/ft³

stress parameter C = 250 lb/ft²

φ total = 29°

depth Z = 12 ft

The shear strength on a horizontal plane at a depth of 12ft

ζ = C + δtanφ

where δ = normal stress

normal stress δ = r × z = 118 × 12 = 1416

so

ζ = C + δtanφ

ζ = 250 + 1416(tan29°)

ζ = 250 + 1416(tan29°)

ζ = 250 + 784.9016

ζ = 1034.9015 lb/ft²

Therefore the shear strength at a depth of 12 ft is 1034.9015 lb/ft²

Answer:

a) 3.5 m

b) 14 secs

c) 1.4 secs

Explanation:

a)  Determine the distance the particle will travel

given velocity ( final velocity ) = 5 m/s

v^2 = u^2 + 2as

s = ( v^2 - u^2 ) / 2a

  = ( 5^2 - 8^2 ) / 2 ( -0.5 * 5^3/2 )

  = 3.5 m

b) Determine the time when v = 1m/s

V = u + at

1 = 8 + (  -0.5 * 1^3/2 ) * t

∴ t = 14 secs

c) Determine the time required for particle to travel 8 m

we will employ both equations above

V^2 = u^2 + 2as

s = 8 m , V = unknown , u = 8 m/s   back to equation

V^2 = 8^2 + 2 ( - 1/2 * V^3/2 ) * 8

∴ V^2 + 8V^3/2 - 64 = 0

resolving the above equation

V = 3.478 m/s

now using the second equation

V = u + at

3.478 = 8 + ( - 1/2 * 3.478^3/2 ) * t

hence : t = 1.4 secs

The dangerous light rays developed during oxyfuel gas welding or cutting are ultraviolet. The correct option is C.

Infrared radiation, which is produced by gas fires, can injure the skin and eyes in particular. Radiation is produced during welding and cutting operations, but it is "non-ionizing" radiation.

While fuel gas processing emits both visible light and infrared radiation, welding and cutting procedures do not produce X-rays or any other form of ionizing radiation. Intense visible, ultraviolet, and infrared radiation is emitted by welding arcs and fires.

Similar to UV radiation in the sunshine, UV radiation from a welding arc will burn unprotected skin. This danger applies to both direct UV radiation exposure and UV radiation that is reflected off of metal surfaces including walls, ceilings, and floors.

Therefore, the correct option is C. Ultraviolet.

To learn more about welding or cutting, refer to the link:

https://brainly.com/question/29214474

#SPJ2

I would honestly select every one of the given options. Gor a company evaluating this new material it would be very valuable to hit each of these factors.

Answer:

The free body diagram of the system is, 558 368 368 508 O ?? O, Consider the equilibrium of horizontal forces. F

Explanation:

I hope this helps you but I think and hope this is the right answer sorry if it’s wrong.

❎❎❎❎❎❎❎ sorry but that didn't help me that much

Answer: chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/http://www.velhightech.com/Documents/ME8391%20Engineering%20Thermo%20Dynamics.pdf

click this link for the best explaination

Explanation:

The number 8 is sent to the number 4 by this permutation.

In the given permutation, (3 1 4)∘(7 6 1 8 4), the composition of two cycles is performed. Let's break it down step by step:

1. The first cycle, (3 1 4), implies that 3 is sent to 1, 1 is sent to 4, and 4 is sent back to 3. Any other numbers not mentioned in this cycle remain unchanged.

2. The second cycle, (7 6 1 8 4), means that 7 is sent to 6, 6 is sent to 1, 1 is sent to 8, 8 is sent to 4, and 4 is sent back to 7. Again, any numbers not explicitly mentioned in this cycle remain unaffected.

To determine where the number 8 is sent, we need to follow the path of the permutation. Initially, 8 is sent to 4 in the second cycle. Then, according to the first cycle, 4 is sent back to 3. Therefore, the number 8 is ultimately sent to 3 by this permutation.

In summary, the number 8 is sent to 3 by the permutation (3 1 4)∘(7 6 1 8 4).

Learn more about permutation

brainly.com/question/3867157

#SPJ11

Option b) Angle Head centrifuge is the best centrifuge for urinalysis department is not true.

A centrifuge is a laboratory instrument that separates fluids, gases, or liquids by spinning them at high speeds. Because it creates a centrifugal force that separates the molecules based on size, shape, and density, it is effective.

In a centrifuge, a sample is placed in a test tube that is placed in a rotor. When the rotor spins, the centrifugal force is created. The sample particles move outward, and the denser particles are pushed toward the bottom of the test tube. The less dense particles will rise to the top of the test tube. After spinning, the sample is separated and ready for further examination.

You can learn more about centrifuge at: brainly.com/question/31465291

#SPJ11

True. The fact that an instrument is overdue does not necessarily mean that it is defective.

Overdue refers to the expiration or passing of a specified time or deadline. It indicates that the instrument has not been serviced or calibrated within the recommended timeframe. While it is important to adhere to maintenance schedules and ensure timely servicing of instruments, being overdue does not automatically imply that the instrument is defective or malfunctioning. Defects or malfunctions are determined through proper inspection, testing, and evaluation of the instrument's performance and functionality. Therefore, being overdue for servicing does not inherently make an instrument defective; it simply indicates a delay in maintenance activities.

Know more about Overdue here:

https://brainly.com/question/13279850

#SPJ11

Answer:

The electric ceiling fan was invented in 1882 by engineer and inventor, Philip Diehl. He had earlier invented an electric sewing machine and adapted the motor from this invention to create the ceiling fan. He called his invention the “Diehl Electric Fan” and it was such a success that he soon had many other people competing with him.

Explanation:

In an operating air conditioning system, the refrigerant undergoes two physical states - gas and liquid.

The refrigerant starts as a low-pressure gas in the evaporator coil, where it absorbs heat from the surrounding air and evaporates, transforming into a high-pressure, high-temperature gas.

It then travels to the condenser coil, where it releases heat to the outside air and condenses back into a liquid state.

This cycle allows for the efficient transfer of heat and cooling within the air conditioning system.

Learn more about refrigerant at:

https://brainly.com/question/26395073

#SPJ1

Answer:

Explanation:

Work, U, is equal to the force times the distance:

U = F · r

Force needed to lift the weight, is equal to the weight: F = W = m · g

so:

U = m · g · r

   = 20.4kg · 9.81 \(\frac{N}{kg}\) · 1.50m

   = 35.316 \(\frac{N}{m}\)

   = 35.316 W

I inferred you meant emerging technologies we see today.

Explanation:

1. 3D Printing

A three dimensional printing allows a digital model to be printed (constructed) into a physical object.

A box, an industrial design and many more could be printed within minutes.

2. AI voice recognition devices

Another trend in the tech world is the rise in artificial intelligence been used in voice recognition devices that not only recognize one's voice but also take commands from the user.

This technology allows one to listen to the internet, such as listening to music online.

The tech world is ever changing with new technology beyond one's consumption on the increase daily.

The subterranean network of pipes and infrastructure comprising the exterior sanitary sewer system is engineered to gather and convey wastewater from various dwellings, commercial properties, and other establishments to a dedicated treatment plant.

Normally, the structure is comprised of multiple constituents, encompassing sewage conduits, access points, lifting structures, and pressure points.

Lift and pumping stations are instrumental in facilitating the transportation of wastewater across areas where gravitational forces fall short, optimizing the system's fluidity. These facilities utilize pumping equipment to raise the sewage to greater heights or surmount obstructions.

Learn more about sanitary sewer system from

https://brainly.com/question/30304753

#SPJ4

Answer: Hello your question is incomplete attached below is the complete question

answer:

attached below

Explanation:

In this Verilog description we will refer to figure attached below

we will make some representation which are :

Represent  outputs of the input  AND gates = P

Represent outputs of the input NOR gates = Q

Inverter = R

attached below is the Verilog description

Answer:

(a) The volume flow rate of the refrigerant at the inlet is 0.3078 m3/s

(b) The mass flow rate of the refrigerant is 2.695 kg/s

(c) The velocity and volume flow rate at the exit is 6.017 m/s

Explanation:

According to the given data we have the following:

diameter of the pipe=d=28 cm=0.28 m

inlet pressure P1=200 kPa

inlet temperature T1=20°C

inlet velocity V1=5.5 m/s

Exit pressure P2=180 kPa

Exit Temperature T2=40°C

a. To calculate the volume flow rate of the refrigerant at the inlet we would have to use the following formula:

V1=AV1

=π/4(0.28∧2)5

V1=0.3078 m3/s

b. To calculate the mass flow rate of the refrigerant we would have to use the following formula:

m=p1 V1

m=V1/v1

=0.3078/0.11418

=2.695 kg/s

c. To calculate the velocity and volume flow rate at the exit we would have to use the following formula:

m=m1=m2

V1/v1=V2/v2

V2=(v2/v1)v1

=(0.13741/0.11418)5

=6.017 m/s

The drift velocity of electrons in germanium can be calculated using the formula vd = μE, where vd is the drift velocity, μ is the mobility, and E is the electric field strength. Hence the drift velocity of electrons in germanium  is  152 m/s.

At room temperature, the mobility of electrons in germanium is given as 0.38 m2/V-s. Therefore, when the magnitude of the electric field is 400 V/m, the drift velocity can be calculated as vd = 0.38 × 400 = 152 m/s.

To calculate how long it takes for an electron to traverse a 25-mm length of crystal, we can use the formula t = d/v, where t is time, d is distance, and v is velocity. Here, d is given as 25 mm, which is equivalent to 0.025 m. Using the calculated drift velocity of 152 m/s, we get t = 0.025/152 = 0.0001645 s.

Therefore, it takes approximately 0.0001645 s for an electron to traverse a 25-mm length of germanium crystal when the magnitude of the electric field is 400 V/m and the room temperature mobility of electrons is 0.38 m2/V-s.

To know more about  drift velocity  visit

https://brainly.com/question/31811326

#SPJ11

The stress at elastic limit is 1.27 N/mm^2, the Young's modulus is 254 N/mm^2, the percentage elongation is 57.5%, the percentage reduction in area is 97.44%, and the ultimate tensile stress is 696.67 N/mm^2.

Stress = Force / Area

Young's modulus = Stress / Strain

Percentage elongation = (extension / gauge length) x 100%

Percentage reduction in area = [(original area - area at neck) / original area] x 100%

Ultimate tensile stress = Maximum load / Area

Diameter of specimen = 100 mm

Gauge length = 100 mm

Extension at 70 KN load = 0.50 mm

Load at elastic limit = 10 KN

Maximum load = 140 KN

Total extension at fracture = 58 mm

Diameter at neck = 16 mm

We can calculate the area of the specimen as follows:

Area = π/4 x d^2

Area = π/4 x (100 mm)^2

Area = 7853.98 mm^2

The stress at elastic limit can be calculated as:

Stress = Load / Area

Stress = 10 KN / 7853.98 mm^2

Stress = 1.27 N/mm^2

The Young's modulus can be calculated as:

Strain = Extension / Gauge length

Strain = 0.50 mm / 100 mm

Strain = 0.005

Stress = Load / Area

Load = Stress x Area

Load = 1.27 N/mm^2 x 7853.98 mm^2

Load = 9982.16 N

Young's modulus = Stress / Strain

Young's modulus = 1.27 N/mm^2 / 0.005

Young's modulus = 254 N/mm^2

The percentage elongation can be calculated as:

Percentage elongation = (extension / gauge length) x 100%

Percentage elongation = (58 mm - 0.50 mm) / 100 mm x 100%

Percentage elongation = 57.5%

The percentage reduction in area can be calculated as:

Original area = π/4 x (100 mm)^2 = 7853.98 mm^2

Area at neck = π/4 x (16 mm)^2 = 201.06 mm^2

Percentage reduction in area = [(original area - area at neck) / original area] x 100%

Percentage reduction in area = [(7853.98 mm^2 - 201.06 mm^2) / 7853.98 mm^2] x 100%

Percentage reduction in area = 97.44%

The ultimate tensile stress can be calculated as:

Area at neck = π/4 x (16 mm)^2 = 201.06 mm^2

Ultimate tensile stress = Maximum load / Area

Ultimate tensile stress = 140 KN / 201.06 mm^2

Ultimate tensile stress = 696.67 N/mm^2

Therefore, the stress at elastic limit is 1.27 N/mm^2, the Young's modulus is 254 N/mm^2, the percentage elongation is 57.5%, the percentage reduction in area is 97.44%, and the ultimate tensile stress is 696.67 N/mm^2.

Learn more about stress on;

https://brainly.com/question/11819849

#SPJ1

The expected weight fraction of pearlite in the as-cooled microstructure of a steel containing 1.90 wt% C, when cooled relatively slowly to room temperature, is approximately 100%.

Mass of solute/total mass x 100The percent by weight (wt%) of carbon in steel is often used to characterize the material's composition. Steel is an alloy consisting mainly of iron with a small amount of carbon, which is an alloy of iron and carbon with a carbon content of less than 2%.What is pearlite?Peralite is a two-phase microstructure made up of alternating layers of alpha-ferrite (an iron-rich solid solution of carbon in body-centered cubic iron) and cementite (an iron carbide with the chemical formula Fe3C). Peralite is created by the eutectoid reaction in steel, which occurs when the steel is cooled slowly to a temperature below its eutectoid point.

Learn more about microstructure: https://brainly.com/question/15344532

#SPJ11

The documents that instruct firefighters regarding the size and capacity of a building's standpipe systems and the pumps supplying those systems are called: "Fire department Preplan.

A fire pre-plan is a scenario-based plan that is tailored to a specific process area or piece of equipment. The site emergency response plan should include a reference to all fire pre-plans. They should explain how to utilize the fire prevention and emergency response systems in certain fire case situations.

Items that should be included in a pre-plan include:

The fire service's management principles include discipline, division of work, unity of command, and line of authority. Building codes control the materials used in building. It is valuable to explore the past and present fire service.

Learn more about firefighters;
https://brainly.com/question/1023064
#SPJ1

Answer:

If a gpa a 2.2 that bad

Explanation:

Answer:

True

Explanation:

The wired networking standard that specifies the order in which data is sent through the network is Ethernet.

Ethernet is a widely used wired networking standard that defines the protocols and specifications for data transmission over a local area network (LAN). It specifies the order in which data is sent through the network by utilizing the Carrier Sense Multiple Access with Collision Detection (CSMA/CD) algorithm.

The CSMA/CD algorithm ensures that multiple devices connected to an Ethernet network can share the same communication medium without interfering with each other. Before transmitting data, a device using Ethernet listens to the network to detect if it is clear to send data. If the network is busy, it waits for an opportune moment. Once the network is clear, the device sends the data, constantly monitoring for collisions. If a collision occurs (when two or more devices transmit data simultaneously), they stop transmitting, wait for a random period of time, and then retry.

By following this protocol, Ethernet ensures orderly and efficient data transmission within the network, minimizing collisions and maximizing data throughput. It has become the de facto standard for wired local area networks due to its reliability, scalability, and widespread adoption.

Learn more about Ethernet

brainly.com/question/31610521

#SPJ11

Answer:

speed(0)

square_length = int(input("What is the length of the square?"))

def draw_square():

   pendown()

   for i in range(4):

       forward(square_length)

       left(90)

   penup()

penup()

setposition(-200, -200)

draw_square()

penup()

setposition(-200, 200 - square_length)

draw_square()

penup()

setposition(200 - square_length, 200 - square_length)

draw_square()

penup()

setposition(200 - square_length, -200)

draw_square()Explanation:

Answer:

false

Explanation:

the changing of a prisoner sentence or another penalty to another less severe

Water flowing through a flexible fire hose is turbulent flow and consists of a flow field of eddies.

To learn more about fire hose refer to:

https://brainly.com/question/22985932

#SPJ4

An airplane flying across the sky experience drag force determined by the factors including the speed of flight, coefficient of skin friction and the reference surface area

The boundary layer thickness is approximately 0.233 cm

The total skin friction drag, is approximately 265 N

Reason:

First part:

Given parameters are;

Chord length, L = 3 m

Velocity of the plane, V = 200 m/s

Density of the air, ρ = 1.225 kg/m³

Viscosity of the air, μ = 1.81 × 10⁻⁵ kg/(m·s)

The Reynolds number is given as follows;

\(R_{eL} = \dfrac{\rho \times V \times L}{\mu}\)

Therefore;

\(R_{eL} = \dfrac{1.255 \times 200 \times 3}{1.81 \times 10^{-5}} = 4.16022099448 \times 10^7 \approx 4.16 \times 10^7\)

Boundary layer thickness, \(\delta_L\), for laminar flow, is given as follows;

\(\dfrac{ \delta_L }{L}=\dfrac{5.0}{\sqrt{R_{eL} } }\)

\({ \delta_L }=\dfrac{5.0 \times L}{\sqrt{R_{eL} } }\)

Which gives;

\({ \delta_L }=\dfrac{5.0 \times 3}{\sqrt{4.16 \times 10^{7}} } \approx 2.33 \times 10^{-3 }\)

The boundary layer thickness, \(\delta_L\) ≈ 2.33 × 10⁻³ m = 0.233 cm

Second Part

The total skin friction is given as follows;

\(Dynamic \ pressure, q = \dfrac{1}{2} \cdot \rho \cdot V^2\)

Therefore;

\(q = \dfrac{1}{2} \times 1.225 \times 200^2 = 24,500\)

The dynamic pressure, q = 24,500 N/m²

Skin friction drag coefficient, \(C_D\), is given as follows;

\(C_D = \dfrac{1.328}{\sqrt{R_{eL} } }\)

Therefore;

\(C_D = \dfrac{1.328}{\sqrt{4.16 \times 10^7 } } \approx 2.06 \times 10^{-4}\)

Skin friction drag, \(D_f\), is given as follows;

\(D_f\) = q × \(C_D\) × A

Where;

A = The reference area

∴ \(D_f\) = 24,500 N/m² × 2.06 × 10⁻⁴ × 3 m × 17.5 m = 264.9675 N ≈ 265 N

The total skin friction drag, \(D_f\) ≈ 265 N

Learn more here:

https://brainly.com/question/12977939