is it possible to conduct a valid plane strain fracture toughness test for a crmov steel alloy under the following conditions: kic = 53 mpam, σys = 620 mpa, w = 6 cm and plate thickness, b = 2.5 cm?

Answer:

24.52% efficiency

Explanation:

Knowns:

Mass = 50 kg

Height = 6 m

Time = 3 s

Indicated Power = 4 kW = 4000 W

Acceleration Due to Gravity = 9.81 m/s^2

Actual Power = Potential Energy / Time = mgh / t

Actual Power = (50 kg * 9.81 m/s^2 * 6 m) / 3 s = 981 W

Motor Efficiency = (Actual Power / Indicated Power) * 100 = (981 W / 4000 W) * 100 = 24.52%

Answer:

10 Watts

Explanation:

Answer:

the reduction in the heat gain is 2.8358 kW

Given that;

Shaft outpower of a motor  = 75 hp = ( 75 × 746 ) = 55950 W

Efficiency of motor  = 91.0% = 0.91

High Efficiency of the motor  = 95.4% = 0.954

now, we know that, efficiency of motor is defined as;  =  /

where   is the electric input given to the motor

so

=  /

we substitute

= 55950 W / 0.91

= 61483.5 W

= 61.4835 kW

now, the electric input given to the motor due to increased efficiency will be;

=  /

we substitute

= 55950 W / 0.954

= 58647.79 W

= 58.6477 kW

so the reduction of the heat gain of the room due to higher efficiency will be;

Q =  -

we substitute

Q = 61.4835 kW - 58.6477 kW

Q = 2.8358 kW

Therefore, the reduction in the heat gain is 2.8358 kW

Explanation:  i hope this answer your question if this is wrong or correct please let me know.also no trying to be rude but can you sent me like a thanks?

A fracture at the midshaft of the radius could potentially damage the following nerves:

Radial Nerve: The radial nerve runs along the posterior aspect of the radius and is vulnerable to injury if the fracture fragments impinge upon or compress the nerve. Damage to the radial nerve can lead to symptoms such as wrist drop, decreased grip strength, and sensory deficits along the dorsum of the hand.

Posterior Interosseous Nerve: The posterior interosseous nerve is a branch of the radial nerve that innervates the deep extensor muscles of the forearm. If the fracture affects the area where the posterior interosseous nerve branches off, it can result in weakness or paralysis of the affected muscles and impaired wrist and finger extension.

Know more about fracture here:

https://brainly.com/question/31937614

#SPJ11

Answer:

True

Explanation:

It's just because of the processing

Nec Article 430 covers selection of time-delay fuses for motor- overload protection.

Article 430 that is found in  National Electrical Code (NEC) is known to be state as “Motors, Motor Circuits and Controllers.” .

Note that the article tells that it covers areas such as motors, motor branch-circuit as well as feeder conductors, motor branch-circuit and others.

Therefore, Nec Article 430 covers selection of time-delay fuses for motor- overload protection.

Learn more about motor- overload from

https://brainly.com/question/20738481

#SPJ1

Answer:

Parasite drag and induced drag.

Answer:

\(D=0.016m\)

Explanation:

From the question we are told that:

Discharge Rate \(F_r=0.5kgls\)

Pressure \(P=15Kpa\)

Temperature \(T=25=>298K\)

Ambient pressure is 1 atm.

Generally the equation for Density is mathematically given by

\(\rho=\frac{PM}{RT}\)

\(\rho=\frac{15*10^5*28.0134*10^{-3}}{8.314*298}\)

\(\rho=16.958kg/m^2\)

Generally the equation for Flow rate is mathematically given by

\(F_r=\mu A\sqrt{Q \rho P(\frac{2}{Q+1})^{\frac{Q+1}{Q-1}}}\)

Where

\(Q=Heat coefficient\ ratio\ of\ Nitrogen\)

\(Q=1.4\)

\(\mu= Discharge\ coefficient\)

\(\mu=0.68\)

Therefore

\(0.5=0.68 A\sqrt{1.4 16.958 15*10^{5}(\frac{2}{1.4+1})^{\frac{1.4+1}{1.4-1}}}\)

\(A=2.129*10^{-4}\)

Where

\(A=\frac{\pi}{4}D^2\)

\(\frac{\pi}{4}D^2=2.129*10^{-4}\)

\(D=0.016m\)

Most WiMAX providers in the US are using an effective data range of 1-5 miles.

WiMAX (Worldwide Interoperability for Microwave Access) is a wireless communication technology that provides high-speed broadband access over long distances. The effective data range refers to the coverage area within which users can reliably access the WiMAX network and receive stable data connections.

While the specific range can vary depending on factors such as terrain, network infrastructure, and equipment capabilities, the general range for WiMAX providers in the US falls within 1-5 miles. This means that users within this distance from the WiMAX base station or access point can typically expect to receive satisfactory signal strength and data speeds.

Know more about Worldwide Interoperability for Microwave Access here:

https://brainly.com/question/9124937

#SPJ11

Center of gravity, or CG, is defined as the point in an object where the mass is evenly distributed. It is important to know the location of the CG because it has an impact on the stability and balance of the object. In aviation, the CG of an aircraft is a critical factor that affects the performance and safety of the flight.
In this case, we have the following information:

Weight (W) = 8,420 lb
CG location (CG) = Station 85

Simplifying the equation:

717,700 + 4,200 = 8,360 × CG3

721,900 = 8,360 × CG3

CG3 = 721,900 / 8,360

CG3 = 86.3

Therefore, the new CG location after removing 60 pounds from Station 70 is Station 86.3. The answer is not given in the choices, but it is closer to option (a) than the other two.

To know more about gravity visit:

https://brainly.com/question/31321801

#SPJ11

The antigen binding fragment of an immunoglobulin molecule, consisting of a combination of heavy and light chains whose molecular conformation is specific for the antigen, is called the variable region.

The variable region, also known as the variable domain, is the part of an immunoglobulin molecule that exhibits high variability and specificity for binding to antigens. It is composed of both heavy and light chains that come together to form a unique three-dimensional structure. This region contains hypervariable regions, also known as complementarity-determining regions (CDRs), which directly interact with the antigen, allowing for specific recognition and binding. The variability within the variable region allows immunoglobulins to recognize a wide range of antigens and contribute to the immune response.

learn more about binding here :

https://brainly.com/question/28039821

#SPJ11

Answer:

20% of the critical value. Determine (a) the damping factor, (b) the

Explanation:

The volume displaced per minute (cfm) of the four-cylinder, four-cycle IC engine with a bore of 3.3 in and a stroke of 4.1 in when it is drawing 60 cfm of the mixture at approximately 1800 rpm is equal to 89.21 cfm (Option b).

The bore diameter of a four-cylinder, four-cycle IC engine is 3.3 inches and the stroke is 4.1 inches. The engine utilizes 60 cfm of the incoming mixture at 1800 rpm. We must determine the volume deposed per minute (cfm). The following formula was used:

Volume Displaced by the engine= bore² × 0.7854 × stroke × RPM × no. of cylinders ÷ 1728

In the above formula, we can substitute the following values:

Volume Displaced by the engine= 3.3² × 0.7854 × 4.1 × 4 × 1800 ÷ 1728= 89.21 cfm. Hence, the correct option is (b) 89.21 cfm.

You can learn more about volume at: brainly.com/question/28058531

#SPJ11

Answer:

d. all of the above

Explanation:

There are two components of acceleration for a particle moving in a circular path, radial and tangential acceleration.

The radial acceleration is given by;

\(a_r = \frac{V^2}{R}\)

Where;

V is the velocity of the particle

R is the radius of the circular path

This radial acceleration is always directed towards the center of the path, perpendicular to the tangential acceleration and negative.

Therefore, from the given options in the question, all the options are correct.

d. all of the above

There are different type of acceleration.  The radial component of acceleration of a particle moving in a circular path is always negative, directed towards the center of the path and perpendicular to the transverse component of acceleration.

This is due to because of the centripetal force. So centripetal force is the reason for a radial acceleration.

Learn more from

https://brainly.com/question/13308560

Answer:

I think trains are pretty awesome. There's a train in japan that levitates slightly and runs on magnetism. Pretty amazing. It's super fast too

You get a result immediately from Euler's formula:

e ^(i π/2) = cos(π/2) + i sin(π/2) = 0 + i * 1 = i

Answer:

3

Explanation:

Answer:al part of question

Explanation:voltage

Answer:

True

Explanation:

I looked it up

Answer:

true

Explanation:

Answer: A. Makes a commodity available for sale or exchange

Explanation: hope it helps ^w^

Answer :

Im not really sure tbh

Explanation:  Water at 15°C is heated by passing it through 2-cm internal-diameter thin-walled copper tubes. Heat is supplied to the water by steam that condenses outside the copper tubes at 120°C. If water is to be heated to 65°C at a rate of 0.2 kg/s, determine (a) the length of the copper tube that needs to be used and (b) the pumping power requirement to overcome pressure losses. Assuming the entire copper tube to be at steam temperature of 120°C

The process of die forming that uses a die and a press to form parts from the given processes is called; C: Hydroforming

There are different types of die forming in sheet metal operations. Now, Hydroforming is a specialized type of die forming that uses a high pressure hydraulic fluid to press room temperature working material into a die.

Tailor Welding is a process of making welded blanks made from individual sheets of steel of different thickness, strength and even coating that are joined together by the use of laser welding.

Read more about Welding operations at; https://brainly.com/question/9450571

Answer:

Total number of pastries that will be made from at least \(3/8\) a pound of dough is \(8.\)

Explanation:

It is given that the line plot shows the weight of the dough for each pastry.

From the given box plot it is clear that,

Number of pastries with weight pound

Number of pastries with weight pound

Number of pastries with weight pound

We know that

We need to find the number of pastries that will be made from at least a pound of dough. It means the number of pastries whose weight is

Number of pastries with weight pound Number of pastries with weight pound

\(N=3+5\)

\(N=8\)

Therefore, the total number of pastries that will be made from at least a pound of dough is

It is the complete question,

Answer:

up up down down

Explanation:

left right left right b a select start

Mechanical systems have some limitations which can pose challenges in terms of efficiency, maintenance and durability.

Mechanical systems have inherent disadvantages as they tend to be less energy-efficient compared to newer technologies because they rely on mechanical processes that may generate friction and heat, leading to energy loss.

This systems require regular maintenance to ensure they continue to operate effectively and any malfunction can result in significant downtime and repair costs. They are also prone to wear and tear over time which can lead to reduced performance.

Read more about Mechanical Systems

brainly.com/question/28154924

#SPJ1

Answer: 0

Explanation: i need to add it up to get what u want

Answer: gas station employees

Explanation:

their not using the road

The employees and workers of a gas station and small aircraft pilots are not considered as road users. Road users are the people such as drivers and pedestrians who uses the road.

Road users include both the drivers as well as the pedestrians and cyclists. Their behavior is the area which has by far the biggest potential for improving the road safety. Road users means a motorist, passenger, public transportation operator, or user, truck driver, bicyclist, motorcyclist, or pedestrian, including a person with disabilities as well.

The important characteristics of the road user include intelligences, skills, experience, knowledge and literacy. Proper knowledge of the vehicle characteristics, the driving practices, rules of roads and traffic behavior are necessary for the purpose of safe traffic operations.

Learn more about Road users here:

https://brainly.com/question/14382160

#SPJ2

The chord length of the F-22 where the wing joins the center body is 21.5 ft.

If the airplane is making a high-speed pass at a velocity of 1398 ft/s at sea level (Mach 1.2),

the Reynolds number at the wing root can be calculated as follows:

The formula for calculating the Reynolds number is given by:

Re = rho * v * c / µ

where,

ρ = Density of air (at sea level) = 1.225 kg/m

3v = Velocity of aircraft = 1398 ft/s

c = Chord length of wing = 21.5 f

t = 6.5532

µ = Dynamic viscosity of air (at sea level) = 1.789 * 10^-5 Pa s (approx.)

We need to convert the values to S.I. units before we can apply them in the formula.

Rho = 1.225 kg/m

3v = 427.2 m/s

c = 6.5532 ft = 1.997 mµ = 1.789 * 10^-5 Pa s

Now we can substitute the values in the formula and simplify as follows:

Re = rho * v * c / µ= (1.225 kg/m3) * (427.2 m/s) * (1.997 m) / (1.789 * 10^-5 Pa s)= 1.015 * 10^7

This is the Reynolds number at the wing root. Rounding off to two decimal places gives a final answer of 10,150,000.

the Reynolds number at the wing root is 10,150,000.

To know more about joins visit:

https://brainly.com/question/32156848

#SPJ11

Answer: The maintenance factor of a lighting system reflects how much of the initial luminous flux is still available at the end of its useful life. The planned lighting engineer must compute the maintenance factor and multiply the new value of the light output by it.

Explanation:

Answer:

Explanation: A lighting system's maintenance factor indicates how much of the initial luminous flux remains available at the end of its service life. The maintenance factor must be determined by the planning lighting engineer and the new value of the luminous flux multiplied by it.