Which vegetation type do you think will cause fire to spread the fastest?
Explain why you chose that answer.
Answer:B
Explanation: Dead Grass more flammable than wood and Green grass contains water.
A motor driven water pump operates with an inlet pressure of 96 kPa (absolute) and mass flow rate of 120 kg/min. The motor consumes 0.8 kW of electrical power, determine the maximum water pressure at the discharge of the pump.
Answer:
The maximum water pressure at the discharge of the pump (exit) = 496 kPa
Explanation:
The equation expressing the relationship of the power input of a pump can be computed as:
\(E _{pump,u} = \dfrac{m(P_2-P_1)}{\rho}\)
where;
m = mass flow rate = 120 kg/min
the pressure at the inlet \(P_1\) = 96 kPa
the pressure at the exit \(P_2\) = ???
the pressure \(\rho\) = 1000 kg/m³
∴
\(0.8 \times 10^{3} \ W = \dfrac{(120 \ kg/min * 1min/60 s)(P_2-96000)}{1000}\)
\(0.8 \times 10^{3}\times 1000 = {(120 \ kg/min * 1min/60 s)(P_2-96000)}\)
\(800000 = {(120 \ kg/min * 1min/60 s)(P_2-96000)}\)
\(\dfrac{800000}{2} = P_2-96000\)
400000 = P₂ - 96000
400000 + 96000 = P₂
P₂ = 496000 Pa
P₂ = 496 kPa
Thus, the maximum water pressure at the discharge of the pump (exit) = 496 kPa
what is the purpose of a limit switch in an electrically controlled cycling system? question 1 options: adjusting the position of a cylinder energizing and deenergizing valve solenoids monitoring the position of a cylinder maintaining the position of a cylinder
The purpose of a limit switch in an electrically controlled cycling system is to monitor the position of a cylinder.
A limit switch is a type of sensor that is used to detect the position of a mechanical component such as a cylinder or valve. In an electrically controlled cycling system, the limit switch is typically mounted in a fixed position near the cylinder and is activated by a moving part of the cylinder when it reaches a specific position.The limit switch sends a signal to the control system when the cylinder has reached its desired position, allowing the system to adjust the timing and sequence of the cycling process. This is important for ensuring that the system operates correctly and that the cylinder moves to the correct position for each cycle.
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which best describes machine language? select one. question 1 options: machine language is the most used language today. machine language instructions comprise only 1s and 0s of binary code. machine language is considered the easiest language to write. machine language relies heavily on go to statements question 2 (1 point) saved listen readspeaker webreader: listen which is a type of high level programming? select one.
Machine language, also known as machine code or object code, is a set of binary digits or bits that the computer reads and decodes. The only language that a computer can comprehend is machine language.
The fundamental language of computers is machine code, which is also referred to as machine language. It is made of digital binary integers, is read by the central processing unit (CPU) of the computer, and appears to be a very lengthy string of zeros and ones.
Machine language is a type of low-level programming language that can only be understood by machines and is composed of binary integers or bits. The CPU immediately executes the instructions, often known as machine code or object code.
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How to stop water from coming into my basement
To stop water leakage from coming into your basement, there are several measures you can take.
How is this so?First, ensure proper grading around your home's foundation to direct water away. Install and maintain gutters and downspouts to carry water away from the foundation.
Seal any cracks or gaps in the basement walls or floors. Consider installing a sump pump system to pump out water that enters the basement.
Also, improve exterior drainage by installing French drains or landscaping features to divert water away from the foundation.
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Two long pipes convey water between two reservoirs whose water surfaces are at different elevations. One pipe has a diameter twice that of the other; both pipes have the same length and the same value of f. If minor losses are neglected, what is the ratio of the flow rates through the two pipes?
Answer:
1 : 5.66 ≈ 1 : 6
Explanation:
Determine the ratio of the flow rates through the two pipes
The flow from the bigger pipe is 5.66 times greater than that from the smaller pipe hence the ratio of the flow rates is : 1 : 5.66
attached below is the detailed/remaining part of the solution
a component made of the aisi 4340 steel with a tensile strength of 1800 mpa and the sen curve shown in exercise e9.6 is loaded cyclically between 0 and 1200 mpa. what is the r-value and the mean stress, sm?
What is stress ratio ?
The ratio of the lowest to highest level of stress is known as the stress ratio. An increase in the stress ratio causes the rate of corrosion fatigue crack propagation to rise.
The length of the floating column, the thickness of the slab, the intensity of the load, the improvement ratio, and other elements all have an impact on the stress ratio. The ratio of a column's length to its diameter is called a column length ratio.
Step-by-step solution:
Tensile strength = 1800mpa
Minimum stress = 0mpa
Maximum stress = 1200mpa
Stress ratio = Minimum stress / Maximum stress. = 0/1200 = 0
Therefore, Stress ratio = 0.
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what is the dimensions of beta
Answer:
byee byee bbbbbbbbbbbb
The settlement analysis for a proposed structure indicated that 2 cm of settlement will occur in 1 year, and that the ultimate settlement will be about 12 cm. The structure was redesigned, with a net decrease in building load of 25%. The ultimate settlement of the redesigned structure was calculated to be about 9 cm. What is the settlement (cm) that will occur in 1 year for the redesigned structure? 0.5 0.8 1.5 2 What is the time (months) for 2 cm of settlement for the redesigned structure? 9 12 21 32
According to the information, it can be inferred that the settlement of the redesigned building after one year will be 1.5 cm. Additionally, the building will take 2 cm 32 months to settle.
How to find the settlement of the redesigned building?To find the settlement of the redesigned building we must take into account the information provided by the problem:
Settlement per year (initial structure) = 2cmTotal settlement (initial structure) = 12 cmNet load decrease = 25%Total settlement (redesigned structure) = 9 cmAccording to the above information, to find the settlement of the redesigned building we must do the following mathematical operation:
9 / 12 = 0.75
0.75*2=1.5cm
So the first year settlement for this structure would be 1.5 cm. On the other hand, to calculate the time (in months) it takes to make a settlement of 2 cm we must perform the following operation:
t = 12 / 9 * 2
t = 2.66 years
t = 32 months
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Need help tryna get a good grade
Answer:
C - Prototype model
Explanation:
I believe it's C but Hope this Helps!
For a steel alloy it has been determined that a carburizing heat treatment of 3-h duration will raise the carbon concentration to 0.38 wt% at a point 2.6 mm from the surface. Estimate the time (in h) necessary to achieve the same concentration at a 6.1 mm position for an identical steel and at the same carburizing temperature.
Answer:
The right answer is "16.5 hrs".
Explanation:
Given values are:
\(x_1=2.6 \ mm\)
\(t_1=3 \ hrs\)
\(x_2=6.1 \ mm\)
As we know,
⇒ \(\frac{x^2}{Dt}=constant\)
or,
⇒ \(\frac{x_1^2}{t_1} =\frac{x_2^2}{t_2}\)
⇒ \(t_2=(\frac{x_2}{x_1})^2\times t_1\)
By putting the values, we get
\(=(\frac{6.1}{2.6} )^2\times 3\)
\(=5.5\times 3\)
\(=16.5 \ hrs\)
Recourses needs to provide goods or services are called?
Answer:
Resources needed to provide goods or services are called factors of production
Explanation:
Further Explanation:
Factors of reproduction
Factors of reproduction are inputs or resources that are used in the generation of goods and services with an aim of making profit.
There are four main factors of production which include;
Land
Labor
Capital
Entrepreneurship
Land
This refers to all the natural resources that are available to be used in the production of goods.
These natural resources includes raw materials from the ground, non-renewable resources such as petroleum and renewable resources such as timber.
The income or reward earned from land as a factor of production is rent.
Labor
This refers to the manpower or work done by human beings.
The value of labor depends on the skills, education and motivation of workers.
The reward for labor as a factor of production is wages and salaries.
Capital
This refers to the capital goods, that is, man-made objects that are used for production of goods and services such as machinery, equipment and chemicals.
They also include industries and commercial buildings.
The reward or income earned from capital goods is interest
Entrepreneurship
It involves coming up with an idea and developing it into profitable business.
An entrepreneur is therefore an individual who combines the other factors of production to build a business and add the supply in the economy.
The reward or income earned by entrepreneurs is profit.
Keywords: Factors of production, labor, land, capital
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Level: High school
Subject: Business
Topic: Factors of reproduction
How many kg moles of Sodium Sulphate will contain 10 kg of
Sodium?
70.40mol cuz
1g sodium sulfate = 0.00704mol
take 10kg × 1000 = 10,000g
10,000g × 0.00704
final answer 70.40mol
(as per my thinking)
Answer:
70.40mol cuz
1g sodium sulfate = 0.00704mol
take 10kg × 1000 = 10,000g
10,000g × 0.00704
final answer 70.40mol
how do we find percentage error in measuring voltage across a resistor
Answer:
use the percentage error relation
Explanation:
The percentage error in anything is computed from ...
%error = ((measured value)/(accurate value) -1) × 100%
__
The difficulty with voltage measurements is that the "accurate value" may be hard to determine. It can be computed from the nominal values of circuit components, but there is no guarantee that the components actually have those values.
Likewise, the measuring device may have errors. It may or may not be calibrated against some standard, but even measurement standards have some range of possible error.
Answer:
use the percentage error relation
Which address on a PC does not change, even if the PC is moved to a different network?
The address on a PC that does not change, even if the PC is moved to a different network, is the MAC (Media Access Control) address. The MAC address is a unique identifier assigned to network interfaces for on a physical network.
The Media Access Control (MAC) address of a network interface card (NIC) on a PC does not change, even if the PC is moved to a different network. The MAC address is a unique identifier assigned to the NIC by the manufacturer and is used to identify devices on a local network. It is different from an IP address, which can change if the PC is moved to a different network with a different subnet or if the network configuration is changed.
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What is the size in square inches of a 550 MCM size of a cable
0.925
What is the size in square inches of a 550 MCM size of a cable
Rafe is transportation engineer working on a light rai, system. Who are the other two
specialized civil engineers Rafe is LIKELY working with?
(1 point)
O a coastal engineer and a water resources engineer
O a construction engineer and an urban engineer
O an air quality engineer and a civil engineer
a transportation engineer and a conservation engineer
The two specialized civil engineers Rafe is LIKELY working with are B. a construction engineer and an urban engineer
How to explain the informationBased on the context of Rafe working on a light rail system, the other two specialized civil engineers he is likely working with would be:
A construction engineer: This engineer would be responsible for overseeing the construction activities related to the light rail system, ensuring that the design plans are implemented correctly and managing the construction process.
An urban engineer: This engineer specializes in urban planning and design, focusing on the development and integration of transportation systems within urban environments. They would work closely with Rafe to ensure that the light rail system aligns with the city's overall urban planning goals and effectively integrates with existing infrastructure.
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who is christian agbobli
Answer:
Explanation:
Full professor and vice-rector for research, creation and diffusion at Université du Québec in Montreal (UQAM). so h
Why are specimens usually very thin slices of material.
tìm phản lực gối tựa
Answer:
jwjehevrvbdbejd HB dbnwjsishrb t bxjwbkozkwnwn shxvbebhgvevhehjhr. jebn
If an AC circuit contains both resistive and capacitive components, w
A. Voltage will lead the current in the circuit.
B. The resistance will allow all current to bypass the
circuit's capacitive con
C. Current will lead the voltage in the circuit.
D. The circuit's peak-to-peak voltage level will be reduced by the capacitive
Component
Answer:
C. Current will lead the voltage in the circuit.
Explanation:
The correct option is - C. Current will lead the voltage in the circuit.
Reason -
In the Resistive Capacitive load , current will lead the voltage by 90° .
So, the correct option is Current will lead the voltage in the circuit.
All behavior has
A) A good reason
B) Ethical endangerment
C) Danger
D) Consequences
Answer: d consequences
Explanation:
2-design a set of simple test programs to determine the type compatibility rules of a c compiler to which you have access. Write a report of your findings
When designing a set of simple test programs to determine the type compatibility rules of a C compiler to which you have access, it is important to consider the different data types that are used in C programming. An example of a set of test programs that can be used to determine the type compatibility rules of a C compiler:
Integer Test the compatibility of the C compiler with integer data types. It declares two variables of type int, initializes them with values, and then adds them together. The result is printed to the screen. If the program compiles and runs without any errors, then the C compiler is compatible with integer data types.
Floating-Point Test the compatibility of the C compiler with floating-point data types. It declares two variables of type float, initializes them with values, and then adds them together. The result is printed to the screen. If the program compiles and runs without any errors, then the C compiler is compatible with floating-point data types.
By running the set of simple test programs described above, you can determine the type compatibility rules of a C compiler to which you have access. If any of the programs do not compile or run without errors, then you can determine which data types are not compatible with the C compiler and adjust your code accordingly.
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Three single-phase loads in parallel are supplied from a 1400V (RMS), 60 Hz supply. The loads are as follows: Load 1: Inductive load: 125 kVA, 0.28 power factor Load 2: Capacitive load: 10 kW, 40 kVAR Load 3: Resistive load: 15 kW Find the total kW, kVAR, kVA, and supply power factor. (5 points) Find the capacitive correction (in kVARs) required to improve the power factor to 0.8 and calculate the supply current with this correction in place. (10 points) What is the least current that can service these three loads and how much compensation would it require
Answer:
The answer is below
Explanation:
\(\theta_1=cos^{-1}0.28=73.74^o\ lagging\\\\S_1=125\angle 73.74^o=35\ kW+j120\ kVAR\\\\S_2=10\ kW-j40\ kVAR\\\\S_3=15\ kW\)
Total power = P = 35 kW + 10 kW + 15 kW = 60 kW
Total kVAR = 120 kVAR - 40 kVAR = 80 kVAR
\(Total\ apparent \ power =S= S_1+S_2+S_3=(35+j120)+(10-j40)+(15)\\\\S=60\ kW+j80\ kVAR=100\angle 53.13^o\\\\Current(I)=\frac{S^*}{V^*} \frac{100000\angle -53.13^o}{1400\angle0}=71.43\angle-53.13^o\\ \\Power\ factor (PF)=cos(53.13)=0.6\ lagging\\\\The \ new\ power\ factor\ is\ to \ be\ 0.8[cos^{-1}0.8=36.87^o], hence\ since\ the\ total\ \\real\ power(P)= 60\ kW, the\ capacitor\ kVAR(Q_c)\ is:\\\\Q_c=60tan(53.13)-60tan(36.87)=80-45=35\ kVAR\\\\\)
\(C=\frac{Q_c}{wV^2} =\frac{35000\ VAR}{2\pi*60\ Hz*1400\ V}=47.38\ \mu f\)
New current (I') = \(\frac{S'^*}{V^*}=\frac{60000-j45000}{1400}=53.57\angle-36.87^o\)
Current reduce from 71.43 A to 53.57 A
Steam flows steadily through a turbine at a rate of 45,000 lbm/h, entering at 1000 psia and 9008F and leaving at 5 psia as saturated vapor. If the power generated by the turbine is 4 MW, determine the rate of heat loss from the steam.
Which of the following is a Dashboard Scoreboard for alignment of the business where information is constantly flowing through the Tiers so immediate actions can be taken?
Answer:
What is a dashboard?
A dashboard is an information management tool used to track KPIs, metrics, and key data points that are relevant to your business, department, or a specific process. Dashboards aggregate and visualize data from multiple sources, such as databases, locally hosted files, and web services. Dashboards allow you to monitor your business performance by displaying historical trends, actionable data, and real-time information.
Dashboards actually take their name from automobile dashboards and they are used in much the same way. For the sake of an analogy, let’s look at a car. There may be hundreds of processes that impact the performance of your vehicle if you look under the hood. Your car’s dashboard summarizes this using visualizations so you can focus on what matters most: safely driving your vehicle.
For businesses, there are hundreds of processes that impact your performance if you look ‘under the hood’, so to speak. And with a wealth of data made available these days, managing and extracting value from it can be difficult. Simplifying data analysis and distribution through tools like dashboards is a way to help businesses rev their engines and make smarter, better, faster data-driven decisions.
And a well designed dashboard levels up your approach to information management. Everyone in the business, regardless of role, has questions about your company performance, whether it be campaign performance, new wins, or churn rate. Dashboards bring everyone (and your metrics) together in one place to answer these questions.
Explanation:
you are going to begin your analysis on this truss by first trying to solve for the forces in members hd and cd. when applying the method of sections to divide the truss into two sections, what three members will the line that passes through the truss intersect if you are trying to solve for the forces in members hd and cd? (you must provide an answer before moving to the next part.)
The process comprises breaking the truss into individual pieces and analyzing each piece as a separate rigid body.
What is the goal of the truss's sectional analysis?The technique entails disassembling the truss into separate portions and examining each section as a distinct rigid body.The method of sections is typically the quickest and simplest way to identify the unidentified forces acting on a particular truss element.a list of the stepsAlways begin your calculations by looking at supports.Slice the members of the problem you want to solve.Consider the half-structure to be a separate static truss.Use the formula sum of forces = 0 to solve the truss.Consider for a minute a node with several unknown members.By selecting a joint with only three unknown member forces and one or more known load forces, space truss difficulties can be resolved.To learn more about the truss's sectional analysis refer to:
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what is the condition for sampling frequency to reconstruct the information signal ?
A thermal energy storage unit consists of a large rectangular channel, which is well insulated on its outer surface and encloses alternating layers of the storage material and the flow passage. Each layer of the storage material is an aluminum slab of width W=0.05 m, which is at an initial temperature of 25∘C25 ∘C. Consider conditions for which the storage unit is charged by passing a hot gas through the passages, with the gas temperature and the convection coefficient assumed to have constant values of T[infinity]=600∘CT [infinity]=600 ∘C and h=100W/m2⋅Kh=100W/m 2⋅K throughout the channel. How long will it take to achieve 75% of the maximum possible energy storage? What is the temperature of the aluminum at this time?
Answer:
the temperature of the aluminum at this time is 456.25° C
Explanation:
Given that:
width w of the aluminium slab = 0.05 m
the initial temperature \(T_1\) = 25° C
\(T{\infty} =600^0C\)
h = 100 W/m²
The properties of Aluminium at temperature of 600° C by considering the conditions for which the storage unit is charged; we have ;
density ρ = 2702 kg/m³
thermal conductivity k = 231 W/m.K
Specific heat c = 1033 J/Kg.K
Let's first find the Biot Number Bi which can be expressed by the equation:
\(Bi = \dfrac{hL_c}{k} \\ \\ Bi = \dfrac{h \dfrac{w}{2}}{k}\)
\(Bi = \dfrac{hL_c}{k} \\ \\ Bi = \dfrac{100 \times \dfrac{0.05}{2}}{231}\)
\(Bi = \dfrac{2.5}{231}\)
Bi = 0.0108
The time constant value \(\tau_t\) is :
\(\tau_t = \dfrac{pL_cc}{h} \\ \\ \tau_t = \dfrac{p \dfrac{w}{2}c}{h}\)
\(\tau_t = \dfrac{2702* \dfrac{0.05}{2}*1033}{100}\)
\(\tau_t = \dfrac{2702* 0.025*1033}{100}\)
\(\tau_t = 697.79\)
Considering Lumped capacitance analysis since value for Bi is less than 1
Then;
\(Q= (pVc)\theta_1 [1-e^{\dfrac {-t}{ \tau_1}}]\)
where;
\(Q = -\Delta E _{st}\) which correlates with the change in the internal energy of the solid.
So;
\(Q= (pVc)\theta_1 [1-e^{\dfrac {-t}{ \tau_1}}]= -\Delta E _{st}\)
The maximum value for the change in the internal energy of the solid is :
\((pVc)\theta_1 = -\Delta E _{st}max\)
By equating the two previous equation together ; we have:
\(\dfrac{-\Delta E _{st}}{\Delta E _{st}{max}}= \dfrac{ (pVc)\theta_1 [1-e^{\dfrac {-t}{ \tau_1}}]} { (pVc)\theta_1}\)
Similarly; we need to understand that the ratio of the energy storage to the maximum possible energy storage = 0.75
Thus;
\(0.75= [1-e^{\dfrac {-t}{ \tau_1}}]}\)
So;
\(0.75= [1-e^{\dfrac {-t}{ 697.79}}]}\)
\(1-0.75= [e^{\dfrac {-t}{ 697.79}}]}\)
\(0.25 = e^{\dfrac {-t}{ 697.79}}\)
\(In(0.25) = {\dfrac {-t}{ 697.79}}\)
\(-1.386294361= \dfrac{-t}{697.79}\)
t = 1.386294361 × 697.79
t = 967.34 s
Finally; the temperature of Aluminium is determined as follows;
\(\dfrac{T - T _{\infty}}{T_1-T_{\infty}}= e ^ {\dfrac{-t}{\tau_t}}\)
\(\dfrac{T - 600}{25-600}= e ^ {\dfrac{-967.34}{697.79}\)
\(\dfrac{T - 600}{25-600}= 0.25\)
\(\dfrac{T - 600}{-575}= 0.25\)
T - 600 = -575 × 0.25
T - 600 = -143.75
T = -143.75 + 600
T = 456.25° C
Hence; the temperature of the aluminum at this time is 456.25° C
Raven is adding FSMO roles to domain controllers in the domain1.com forest. The forest contains a single domain and three domain controllers, DC1, DC2, and DC3. DC1 contains a copy of the global catalog, and all three domain controllers have the latest version of Windows Server 2019 installed. Which of the following is a best practice that Raven should follow? She should use DC2 or DC3 as the Domain Naming Master. B She should create the Domain Naming Master role on DC1. She should create three Domain Naming Master roles, one for each domain controller. She does not need to create the Domain Master role because DC1 contains a copy of the global catalog.
The best practice that Raven should follow is to use DC2 or DC3 as the Domain Naming Master of the following is a best practice that Raven should follow. The correct option is A.
The management of the addition or deletion of domains from the forest is the responsibility of the Domain Naming Master. For redundancy and fault tolerance, it is advised to split the FSMO roles among several domain controllers.
Since DC1 already has a copy of the global catalog, it is advantageous to choose a different domain controller (DC2 or DC3) as the Domain Naming Master to disperse the workload and guarantee high availability. This ensures that the forest's operations may continue even if one domain controller goes offline and prevents the creation of a single point of failure.
Thus, the ideal selection is option A.
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