2. a wheel tractor-scraper is operating on a level grade. assume no power derating is required for equipment condition, altitude, and temperature. use equipment data from figure 6.10. a) disregarding traction limitations, what is the maximum value of rolling resistance (in lb/ton) over which the fully loaded unit can maintain a speed of 15 mph? b) what minimum value of coefficient of traction between the tractor wheels and the traveling surface is needed to satisfy the requirements of part a? for the fully loaded condition, 52% of the weight is distributed to the drive axle. the operating weight of the empty scraper is 74,946 lb.

Answer:

  0.9104

Explanation:

Suitable technology can tell you the probability.

P(-1.5≤Z≤2) ≈ 0.9104

__

A phone app gives the probability as 0.9104426667829628.

The type of type of building construction can include materials with no fire-resistance ratings in limited quantities is type 2.

Although many buildings appear to be similar at first appearance, their cost and durability—particularly in an emergency—are affected by the underlying materials. Building codes categorize all structures into Types 1 through 5, and each Type discloses important details like fire-resistance.

Some contemporary structures are now stronger and less expensive to construct. Engineered wood and synthetic plastics, which burn readily, cause quick collapses and present significant risks for firefighters.

Type 1 constructions, which are the most fire-resistant buildings, are made of shielded steel and concrete because they can sustain high temperatures without collapsing. Type 5 constructions, on the other hand, are the least fire-resistant since they are built of flammable materials, are lightweight, and they burn out quickly. Type 2 constructions, modern structures with metal roofs and tilt-slab or reinforced masonry walls.

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Answer:

y'(x) = 7 ;

y'(x) = 15x²

Explanation:

Differentiation from first principle :

y = 7x

Formula to obtain derivative from first principle:

y'(x) = lim(h - - > 0) : [y(x + h) - y(x)] / h

Obtain : y(x + h)

y(x) = 7x

y(x + h) = 7(x + h)

Substitute into formula :

y'(x) = lim(h - - > 0) : [7(x + h) - 7x] / h

Expand :

y'(x) = lim(h - - > 0) : [7x + 7h - 7x] / h

y'(x) = lim(h - - > 0) : 7h/ h

y'(x) = 7

2.)

y = 5x³

y'(x) = lim(h - - > 0) : [y(x + h) - y(x)] / h

Obtain : y(x + h)

y(x) = 5x³

y(x + h) = 5(x + h)³

Substitute into formula :

y'(x) = lim(h - - > 0) : [5(x + h)³ - 5x³] / h

Expand :

y'(x) = lim(h - - > 0) : [5(x³ + 3x²h + 3xh² + h³) - 5x³] / h

y'(x) = lim(h - - > 0) : [5x³ + 15x²h + 15xh² + 5h³ - 5x³] / h

y'(x) = lim(h - - > 0) : [15x²h + 15xh² + 5h³] / h

y'(x) = lim(h - - > 0) : h(15x² + 15xh + 5h²) / h

y'(x) = lim(h - - > 0) : (15x² + 15xh + 5h²)

y'(x) = 15x²

Never operate electric tools outdoors or in wet conditions unless the circuit is protected by a ground fault circuit interrupter (GFCI).

When a number of electric entities are connected through various conductors is called a circuit.

Here,
A ground fault circuit interrupter (GFCI) helps to avoid the repercussion caused due to electric shocks. An individual receives a shock, the GFCI perceives this and cuts off the current before the individual can get any damage. it is usually installed where electrical circuits come into reference with water.

Thus, Never operate electric tools outdoors or in wet conditions unless the circuit is protected by a ground fault circuit interrupter (GFCI).

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Answer:people tend to do this when they are in a different environment they lose something or just have something going on in their life

Explanation:

A manufacturer of circuit cards aims to develop an apparatus for subjecting them to rapid thermal transients using forced convection, characterized by the relation Nuj = CRemPr^m, where m = 0.8 and n = 0.33.

To achieve rapid thermal cycling and minimize disruption to production schedules, the manufacturer needs an apparatus that can impose controlled thermal stresses on the circuit cards. Forced convection, which involves the movement of fluid (air or liquid) over the surface of the cards, is an effective method for achieving rapid heat transfer.

The relation Nuj = CRemPr^m is a dimensionless correlation equation known as the Nusselt number correlation. It relates the Nusselt number (Nu) to the Reynolds number (Re) and the Prandtl number (Pr). The Nusselt number represents the convective heat transfer coefficient, which determines the rate of heat transfer between the fluid and the surface. The Reynolds number characterizes the flow regime, indicating whether the flow is laminar or turbulent, while the Prandtl number represents the ratio of momentum diffusivity to thermal diffusivity of the fluid.

In the given relation, the values of m = 0.8 and n = 0.33 determine the correlation exponents. These values have been determined through experimental data and are specific to the system being studied. The manufacturer needs to determine the appropriate values of the constant C based on the specific conditions and characteristics of their apparatus and circuit cards.

By using the Nuj = CRemPr^m relation, the manufacturer can design and optimize their thermal cycling apparatus to achieve the desired rapid thermal transients. This will allow them to perform accelerated thermal stress tests on the circuit cards, identifying any defective joints or potential failure points before the product is released to the customer. Implementing such tests in the manufacturing process will help ensure the reliability and quality of the electronic modules, reducing the risk of failures caused by thermal cycling-induced stresses.

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A multispeed capacitor-run motor changes speed by adding impedance to the run winding and increasing the slip, not by changing the number of poles.

A capacitor-run motor is a type of single-phase induction motor that uses a capacitor to create a phase shift between the run winding and the start winding. This phase shift causes the motor to start rotating in the desired direction.

The run winding is the main winding of the motor. It is responsible for providing the torque that keeps the motor running. The impedance of the run winding can be increased by adding a resistor or inductor in series with it. This increases the slip, which is the difference between the synchronous speed of the motor and the actual speed of the motor.

The slip is a measure of how much the rotor is lagging behind the rotating magnetic field. As the slip increases, the torque of the motor decreases. This allows the motor to run at different speeds.

The number of poles in a motor determines its synchronous speed. The synchronous speed is the speed at which the rotating magnetic field rotates. The number of poles can be changed by changing the physical configuration of the motor. However, this is not typically done in multispeed capacitor-run motors.

Additional Information

Multispeed capacitor-run motors are typically used in appliances such as fans and air conditioners. They are a good choice for these applications because they are relatively inexpensive and easy to maintain.

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Answer:

exploration

Explanation:

Other than the scientific reasons listed in the question, one of the main reasons why people all over the world are pursuing this endeavor is exploration. As human beings, we love to imagine new worlds and life-forms that we have never seen before. This fuels our need for exploration. Scientists throughout generations have dedicated their entire lives to learning and creating newer and better technology in order for humans to take that next step in exploring and learning the secrets of the universe.

Answer:

plz follow in titkok

Explanation:

Because she has a Victim mindset and having low grade in her Math class, Julianna believes: A. her low grades are the fault of her unfair teacher.

A Victim mindset is also referred to as victim mentality and it can be defined as an acquired personality trait in which an individual tends to recognize and believe that the negative and unfair actions of others towards him or her, is responsible for the bad and unpleasant things that happens.

This ultimately implies that, an individual with a Victim mindset is prejudiced and strongly believes that every other person is against him or her, and as such these people are responsible for their failures.

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False.

In a state transition diagram, the circle at the left with a hollow border is the initial state, also known as the start state. The initial state represents the state of the system when it is first activated or initialized. When an event occurs, the system transitions from the initial state to another state, represented by a solid circle. State transition diagrams are a graphical representation of a finite state machine, which is a mathematical model of computation used in computer science and other fields to model the behavior of systems that can be in one of a finite number of states.

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Answer:

yes it is certainly good ice cream

ᴄᴏᴍᴘʟᴇᴛᴇɴᴇꜱꜱ ᴍᴇᴀɴꜱ ᴛʜᴇ ꜱᴛᴀᴛᴇ ᴏꜰ ʙᴇɪɴɢ ᴄᴏᴍᴘʟᴇᴛᴇ ᴀɴᴅ ᴇɴᴛɪʀᴇ; ʜᴀᴠɪɴɢ ᴇᴠᴇʀʏᴛʜɪɴɢ ᴛʜᴀᴛ ɪꜱ ɴᴇᴇᴅᴇᴅ.

ʙᴇᴀᴜᴛʏ ᴍᴇᴀɴꜱ combination of qualities, such as shape, colour, or form, that pleases the aesthetic senses, especially the sight.

Answer:

N0

Explanation:

It does not seem reasonable to expect a tensile stress of 200 MPa to produce a reduction in specimen diameter of 0.08 mm

Given data :

Diameter ( d ) = 10 mm

length ( l ) = 150 mm

elasticity ( ∈ ) = 100 GPa

longitudinal strain ( б ) 200 MPa

Poisson ratio ( μ )  ( assumed ) =0.3

Assumption : deformation totally elastic

attached below is the detailed solution to why it is not reasonable .

The Sd value = 0.08 > the calculated Sd value ( 6*10^-3 ) hence it is not reasonable to expect a tensile stress of 200 MPa to produce a reduction in specimen

Fick's Law of diffusion states that the rate of diffusion of a substance through a medium is directly proportional to the concentration gradient of the substance. The law provides a mathematical equation to calculate the rate of diffusion.

The equation for Fick's Law is:

J = -D * (∂C/∂x)

Where:

J represents the flux or the rate of diffusion of the substance.

D is the diffusion coefficient, which describes the substance's ability to diffuse through the medium.

∂C/∂x represents the concentration gradient, indicating the change in concentration over a distance.

In simpler terms, Fick's Law states that the rate of diffusion is proportional to the concentration gradient and inversely proportional to the diffusion coefficient. A steeper concentration gradient or a higher diffusion coefficient will result in a faster rate of diffusion.

This law is applicable in various fields, such as physics, chemistry, biology, and engineering. It helps to understand the movement of particles or molecules across a concentration gradient, whether it's the diffusion of gases in the atmosphere, the movement of ions through a cell membrane, or the transfer of substances in industrial processes.

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Answer:

One corner ( D )

Explanation:

when dimensioning the location of a house on site the standard and the acceptable procedure is to ; Dimension One corner of the house

Adjacent lots is a term used to describe parcels of the site that meet each other along their boundary lines. and they also include parcels that may be separated by streets

Answer:

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

Explanation:

It is to be noted that all UHRS platforms are optimized for the popular kinds of internet browser applications.

The Universal Human Relevance System (UHRS) is a crowdsourcing platform that allows for data labeling for a variety of AI application situations.

Vendor partners link people referred to as "judges" to offer data labeling at scale for us. All UHRS judges are bound by an NDA, ensuring that data is kept protected.

A browser is a software tool that allows you to see and interact with all of the knowledgeon the World Wide Web. Web sites, movies, and photos are all examples of this.

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Answer:

Explanation:

heat

Answer:

this is the answer

Explanation:

this the summery about engineering

congress tasked nasa with searching for near-earth objects because : they might impact Earth, as others have in the past.

Congress tasked NASA with searching for near-Earth objects (NEOs) because of the potential threat they pose to our planet.

NEOs include asteroids and comets that come within a certain proximity of Earth's orbit.

The main reasons behind this tasking are:

Planetary Defense: NEOs have the potential to collide with Earth, causing significant damage and posing a threat to human life.

By identifying and tracking these objects, NASA can assess their trajectories and develop plans to mitigate potential impacts.

Scientific Research: Studying NEOs provides valuable insights into the formation and evolution of our solar system.

These objects are remnants from the early stages of the solar system's formation and can provide clues about the origin of planets, asteroids, and comets.

Resource Exploration: Some NEOs may contain valuable resources such as water, metals, and minerals.

Future space missions could potentially utilize these resources, reducing the cost and reliance on Earth-based supplies.

Public Safety and Awareness: By actively searching for NEOs, NASA plays a crucial role in informing the public and policymakers about potential threats.

Increasing public awareness about NEOs fosters a better understanding of the risks they pose and the importance of monitoring and addressing them.

Hence, Congress tasked NASA with searching for NEOs to protect Earth from potential impacts, advance scientific knowledge, explore potential resources, and promote public safety and awareness.

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From what my research concluded, true

Za answa iz:

True

Twust meh

Answer:

I would say that the hardest part about learning Thermodynamics is the generality and abstractness of it all.

Explanation:

Answer:

english

Explanation:

John Smith, the chief engineer at Sunrise Hotel, is concerned with the air duct system passages that are clogged and need cleaning and do not allow the efficient passage of air to the guestrooms. This concern is related to the ventilation load.

What is a ventilation load? A ventilation load is the air that enters and exits a building due to the required need to ventilate the building. There are three main types of ventilation loads, namely natural ventilation, mechanical ventilation, and mixed-mode ventilation. The goal of ventilation is to regulate the air movement inside the building, especially in the air duct system passages and air conditioning unit. The proper functioning of the air duct system passages is essential for the efficient passage of air in the building.

For instance, air duct systems are responsible for supplying air to an HVAC unit, distributing air throughout the building, and returning the air to the air handler for further processing before being redistributed throughout the building. If the air duct system passages are clogged and need cleaning, it means that they do not allow efficient passage of air to the guestrooms. Therefore, John Smith, the chief engineer at Sunrise Hotel, is concerned about the ventilation load due to the clogged air duct system passages.

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Answer: Biometrics

Explanation:

Dual factor authentication refers to an electronic authentication method whereby a user will only be granted an access to an application or a website after the user has successfully been able to present two pieces of evidence which then grants access to the application or website.

Since the technician wants to implement a dual factor authentication system, the biometrics should be implemented during the authorization stage.

Biometrics refers to the body measurements and the calculations that are related to the characteristics of humans. Biometric authentication is used as a form of identification.

Sandpaper.

Rubble.

Pyramid.

Wrinkled.

Marbled.

Answer:

depend what cereal yeha

Explanation:

no explanation