For a single-phase half-bridge inverter feeding RL load, derive an expression for output current. Also, determine the maximum and minimum values of the load current.

Answer:

\(\triangle h=4.935m\)

Explanation:

From the question we are told that:

Liquid density \(\rho=800\)

Diameter of pipe \(d=4cm \approx 0.004m\)

Diameter of venture \(d=10cm \approx 0.010m\)

Specific weight of mercury P_mg \(133 kN/m^3\)

Flow rate \(r=0.05 m^3/s\)

Area A:

            \(A_1=\frac{\pi}{4}0.1^2\\A_1=0.00785m^2\\A_2=\frac{\pi}{4}0.04^2\\A_2=0.001256m^2\\\)

Generally the Bernoulli's equation is mathematically given by

\(\frac{P_1}{\rho_1g}+\frac{V_1^2}{2g}=\frac{P_2}{\rho g}+\frac{V_2^2}{2g}\\\)

Where

\(V_1=\frac{r}{A_1} \\\\ &V_1=\frac{r}{A_2}\)

Therefore

\(P_1-P_2=\frac{Pr^2}{2}(\frac{A_1^2-A_2^2}{A_1^2A_2^2})\)

Generally the equation for pressure difference b/w manometer fluid is given as

\(P_1-P_2=(p_mg-pg)\triangle h\)

Therefore

\((p_mg-pg)\triangle h=\frac{Pr^2}{2}(\frac{A_1^2-A_2^2}{A_1^2A_2^2})\)

\(\triangle h=\frac{\frac{Pr^2}{2}(\frac{A_1^2-A_2^2}{A_1^2A_2^2})}{(p_mg-pg)}\)

\(\triangle h=\frac{\frac{(800)(0.05)^2}{2}(\frac{(0.1)^2-(0.4)^2}{(0.1)^2(0.04)^2})}{(1.33*10^3-800*9.81)}\)

\(\triangle h=4.935m\)

Therefore elevation change is mathematically given by

\(\triangle h=4.935m\)

The strain hardening exponent for the metal can be determined based on the given measurements in the plastic region of the tensile test conducted on the 0.505-inch diameter metal bar with a 2-inch gauge length.

The strain hardening exponent characterizes the relationship between the true stress and true strain in the plastic region of a material. To determine the strain hardening exponent for the metal, we need to analyze the measurements obtained during the tensile test. The true stress and true strain can be calculated using the following formulas:

True Stress = Load / Area

True Strain = ln(Original Gauge Length / Final Gauge Length)

By plotting the true stress and true strain data on a logarithmic scale, we can determine the slope of the resulting curve. This slope represents the strain hardening exponent, denoted by "n." The strain hardening exponent indicates how the material's strength increases as deformation occurs. By analyzing the given measurements in the plastic region, we can calculate the strain hardening exponent for the metal bar.

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We can see here that the maximum value of rolling resistance over which a loaded scraper can maintain is: 780 lb/ton

Rolling resistance is the force that resists the motion of a rolling object on a surface. Maximum rolling resistance refers to the highest level of resistance that an object can encounter while rolling on a particular surface.

For a fully loaded condition:

The total resistance = (gross + rolling) resistance

52% = 0% - rolling resistance

rolling resistance = 52%

The maximum rolling resistance = rolling resistance percentage × speed

The maximum rolling resistance = 52% (15 lb/ton)/(1% resistance)

The maximum rolling resistance = 780 lb/ton

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The hardware that I am using to take this course is a Laptop computer running on windows operating system.

When you send a query, like your previous message, your laptop's operating system breaks it into smaller units called packets. These packets contain parts of your message, destination address, and other metadata.

They're sent over the internet through your Internet Service Provider (ISP), which directs them through routers and switches. These network devices ensure packets take the most efficient path.

They reach the server where I'm hosted. The server processes your query, generates a response, divides it into packets, sends them back through the same process, and your laptop reassembles them to display my answer.

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Answer:

d

Explanation:

d.

None of these

The factors that  you need to consider when preparing to move gondolas are:

In choosing gondola one need to look at some  factor in decisions such as height.

Know that it is good to  consider the construction material and also the center wall configuration for its building also.

The factors that  you need to consider when preparing to move gondolas are:

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A solid line around a component indicates that the component is complete. A dashed line around the component indicates that the component is being shown is not complete.

The overall system gear ratio is 24 : 11.

The comic strip approximately annotating the power education has been attached.

Gear systems incorporate numerous gears and are the primary additives of many engineering packages along with using trains in cars. In working tools systems, non-easy dynamics along with tools hammering or high-frequency oscillations can also additionally occur.

Gear has the characteristic to switch movement and torque among gadget additives in mechanical devices. Gears can alternate the course of motion and/or beautify the end result pace or torque.

To determine the overall system gear ratio we can use the formula below:

GR = 48 : 22

GR = 24 : 11

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Answer:

as all the people should go near stratosphere

Answer:

-6sin(6x+2)cos²(3x+1)dx.

Explanation:

\(dy=4*cos^3(3x+1)*3*(-sin(3x+1))dx=-6sin(6x+2)cos^2(3x+1)dx.\)

Answer:

11.87 ft

Explanation:

Volumetric flow rate of the turbine Q = 1.7 million gal/min

Q = 1.7 x \(10^{6}\) gal/min

1 gal = 0.00378541 m^3

1 min = 60 sec

1.7 x \(10^{6}\) gal/min = (1.7 x \(10^{6}\) x 0.00378541)/60 = 107.25 m^3

average velocity of flow through turbine = 34 ft/s

1 ft = 0.3048 m

34 ft/s = 34 x 0.3048 = 10.36 m/s

According to continuity equation, Q = AV

where Q = volumetric flow rate

A = Area of conduit

V = velocity of flow through turbine

A = Q/V = 107.25/10.36 = 10.35 m^2

Area of conduit = \(\pi r ^{2}\)

radius r = \(\sqrt{\frac{area}{\pi } }\) = \(\sqrt{\frac{10.35}{3.142} }\) = 1.81 m

diameter = 2 x radius = 2 x 1.81 = 3.62 m

diameter = 3.62 m = 3.62 x 3.28084 = 11.87 ft

A high compression ratio may result in compressor failure.

A compressor refers to a mechanical device that is designed and developed to provide power to refrigerators, especially by increasing the pressure on air or other applicable gases.

According to heating, ventilation, and air conditioning (HVAC) information, a high compression ratio of 8: 1 or higher is most likely to result in compressor failure.

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The government, through its decisions and policies, wields significant influence that extends beyond national borders and directly affects the world. Government decisions can have far-reaching impacts on various aspects, including politics, economics, social issues, and the environment.

In the realm of politics, government decisions on international relations, diplomacy, and foreign policy shape global alliances, conflicts, and cooperation. They determine how a country engages with other nations, resolves disputes, and participates in international organizations and agreements.

Economically, government decisions on trade policies, regulations, taxation, and fiscal management impact global markets, investments, and economic stability. Changes in the economic policies of major economies can have ripple effects on other countries, affecting trade flows, exchange rates, and overall global economic conditions.

Government decisions also play a crucial role in addressing global challenges such as climate change, public health crises, and human rights issues. Policies on environmental regulations, international agreements, healthcare initiatives, and human rights advocacy can influence global efforts and cooperation in addressing these pressing issues.

Moreover, government decisions on security and defense policies have implications for global peace and stability. Actions related to arms control, military interventions, and peacekeeping operations can shape geopolitical dynamics and impact international security.

In summary, government decisions have a profound impact on the world by shaping international relations, influencing global economies, addressing global challenges, and affecting peace and security. The interconnectedness of nations and the shared nature of global issues highlight the significance of government decisions in shaping the course of the world.

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Answer:

or is the strongest evenger she hulk

Explanation:

?????????

Answer:

Thor!

Explanation:

In Thor: Ragnarok he beat the Hulk in order for Hulk to win thor had to be electrocuted and in Avengers: Endgame Thor is seen holding open the  "Floodgates" and withstanding the radiation from a dying star, also the fact that Thor is a god means that he is all powerful and the rightful heir to the throne to Asgard, plus the fact that he has defeated Loki multiple times a feat that not even the Hulk has done.

the answer Under the Whyte notation for the classification of steam locomotives it is called 4-6-2 Pacific type

A butterfly or poppet-type valve that allows exhaust gases to bypass the turbine wheel is called a: wastegate valve.

A wastegate is a channel that allows the fumes from the exhaust pipes to be easily discharged without choking the vehicle from which the waste comes off.

The wastegate valve is important because it releases pressure from the turbine's wheel and allows for optima functionality in the course of use. So, the answer to the question about poppet-type valves is waste gate valves.

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Answer:

The correct option is A

Explanation:

Thermoplastics are polymers that can be recycled. They can be melted with heat and moulded into any shape which becomes hard when cooled. The heat applied to it in the process of recycling does not affect its chemical composition.

There are two main classes of thermoplastics; semi-crystalline and amorphous.

An amorphous thermoplastic has a disorderly arranged molecular structure which makes it difficult to have a definite melting temperature (Tm). However, a semi-crystalline thermoplastic has a well arranged molecular structure which makes it melt after a certain/definite amount of heat is absolved. Hence, the correct answer is A

Norton's theorem in regards to  linearity property​ is known to be one that employ the use of a current source while the Thevenin's theorem is known to be one that employ the use of a voltage source.

Thevenin's theorem make use of a resistor in a kind of series, but Norton's theorem is known to use a resister set in a kind of parallel way in line with the source.

Norton's Theorem is known to be a law that states that one can be able to simplify any form of  linear circuit, no matter how difficult or hard that it may be, to an equivalent circuit through the use of only one current source and also the use of a parallel resistance linked to a load.

Note that, Norton's theorem in regards to  linearity property​ is known to be one that employ the use of a current source while the Thevenin's theorem is known to be one that employ the use of a voltage source.

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75743366

Explanation:

The Brinell hardness test is commonly used to measure the hardness of a material. For a 1040 steel with a yield strength of 620 MPa, the approximate Brinell hardness is determined to be 207.

The Brinell hardness test is the most commonly used method for determining the hardness of a material. The Brinell hardness test measures the resistance of a material to indentation under load.

A ball indenter with a known diameter is pressed into the surface of the test piece, and the diameter of the resulting impression is measured.

The load used and the diameter of the indenter are related to the Brinell hardness number (BHN) by the following formula:

BHN = 2P/πD(HD – √HD² – d²), Where:

which is the diameter of the impression left in the test piece by the indenterd = diameter of the ball indenter in mm

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The best case scenarios of the time and space complexity of binary search is simply the time complexity of the binary search algorithm which is O(log n).

However, this balanced scenarios complexity would be O(1) when the central index would directly match the desired value.

On the other end, for an unbalanced scenarios of binary search tree, the running time of a binary search would be O(n). which will represent a linked list

The binary search tree simply refers to an advanced algorithm used for analyzing the node, its left and right branches, which are eventually modeled in a tree structure and returning the value.

So therefore, the best case scenarios of the time and space complexity of binary search is simply the time complexity of the binary search algorithm which is O(log n).

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Answer:

say in English plz I don't understand

The basic building block of digital technology is the gate (Option c). It makes reference to logic gates.

A logic gate is a computer model that uses logical mathematical equations based on Boolean function.

A logic gate can be considered as a unit block for all used types of digital devices and/or circuits.

Digital technologies use logic gates that allow them to perform different functions (digital functions).

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The correct answer is both the tech are right that a rod heater can be used to install semi-floating wrist pins and semi-floating wrist pins can be pressed into the rods.

After some kind of friction secures the pin to the connecting, the piston can freely pivot inside the bosses of the piston pin. The most common method of attaching the semi-floating wrist pins to the rod is by press-fitting. The little end of the connecting rod is heated, which expands the metal and the diameter of the hole.If you're using high-level forced induction, nitrous oxide injection, high rpm or heavy sustained loading on your performance engine, upgraded semi-floating wrist pins represent the insurance deal of the century. Wall thickness is a critical factor based on application.

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Answer:

the pressure at a closed valve attached to the tank 10 ft above its bottom is 37.88 psi

Explanation:

Given that;

depth 1 = 71 ft

depth 2 = 10 ft

pressure p = 17 psi = 2448 lb/ft²

depth h = 71 ft - 10 ft = 61 ft

we know that;

p = P_air + yh

where y is the specific weight of ethyl alcohol ( 49.3 lb/ft³ )

so we substitute;

p = 2448 + ( 49.3 × 61 )

= 2448 + 3007.3

= 5455.3 lb/ft³

= 37.88 psi

Therefore, the pressure at a closed valve attached to the tank 10 ft above its bottom is 37.88 psi

Answer:

Shear Stress = 0.415 ksi

Explanation:

In order to find the shear stress we first need to find the cross sectional area of pin B. The area is given as follows:

A = πd²/4

where,

A = Area of cross section of pin = ?

d = diameter of pin = 0.28 in

Therefore,

A = π(0.28 in)²/4

A = 0.0615 in²

Now, the shear stress is given as:

Shear Stress = Shear Force/Area

Shear Stress = 25.6 lb/0.0615 in²

Shear Stress = 415.8 psi

Shear Stress = 0.415 ksi

Answer: hello some data related to your question is missing attached below is the missing data

answer:

T2 = 265°C

Explanation:

First step : calculate sum of vertical forces

∑ y = 0

Fmg - 2(0.5 Fst ) = 0

∴Fmg = ( 12 * 10^6 ) ( 2 * π/4 (0.01)^2 )

          = 1884.96 N

Also determine the Compatibility equation in order to determine the change in Temperature

ΔT = 250°C

therefore Temperature at which average normal stress becomes 12.0 MPa

ΔT = T2 - T1

250°C = T2 - 15°C

T2 = 250 + 15 = 265°C

attached below is the detailed solution

Answer:

In a single-family residence, a line-voltage thermostat is primarily used to control heating and cooling systems.