Suppose ArrayList X contains two strings[Beijing, Singapore]. Which of the following method will causeruntime errors? (Select all that apply)
A) x.size()
B)x.set(2, "New York");
C) x.remove(2)
D) x.get(2)
E)x.get(1)

The steel-frame structural support was a main feature in the development of t the floors, roof, walls and  skyscraper.

Steel frame is known to be a form of a building method that is used along with a skeleton frame that is made up of steel columns and  I-beams.

Conclusively, This is often used  in the construction of grid to aid the floors, roof and walls of any kind of building. It is also used in the construction of skyscraper.

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Answer:

Explanation:

In mechanics of materials, the bending stress of a beam in bending can be determined by the equation

Answer:

C

Explanation:

The alternator generates electricity to power headlights/radio/windows etc and charge the battery.

A priority queue that stores the number of vacant seats for each row and places the most seats available at the top can be used to solve this issue.

Revenue projections for U.S. movie theatres from 2010 to 2021, broken down by source. Around nine billion dollars in revenue were made by movie theatres nationwide in 2021, of which 4.5 billion dollars came from ticket sales alone.

The expected investment for a franchise (miniplex) is between $1 and $2 billion. The investments include the franchise fee, furniture, fixtures, and equipment as well as advertising and marketing. One must also put up roughly $1 Cr. in capital.

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The ratio of τmax and τavg is defined as the shear stress factor, and it has important implications in the design of materials and structures.

The shear stress factor can vary widely, depending on the material and the loading conditions, and it can be a critical factor in the failure of a material or structure. In general, the shear stress factor is higher for ductile materials than for brittle materials. This is because ductile materials can absorb more energy before they fail, which means that they can handle higher stresses without fracturing. Brittle materials, on the other hand, tend to fail suddenly and catastrophically when they reach their maximum stress, which means that they cannot handle high shear stresses for long.

In conclusion, the maximum shear stress is usually much greater than the average shear stress acting over the cross-section, and the ratio of the two is defined as the shear stress factor. The shear stress factor can vary widely depending on the material and the loading conditions, and it is an important factor to consider in the design of materials and structures. It can be a critical factor in the failure of a material or structure, and it is important to choose materials and designs that can handle high shear stresses without failing suddenly and catastrophically.

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Answer:

The temperature at which the water starts boiling is 111.35 °C.

Explanation:

First, we have to determine the total pressure experimented by water inside the piston-cylinder device. The total pressure is the sum of atmospheric and gauge pressures, the gauge pressure is the weight of piston divided by its cross-sectional area, that is:

\(P_{g} = \frac{m_{p}\cdot g}{A}\)

Where:

\(P_{g}\) - Gauge pressure, measured in pascals.

\(m_{p}\) - Mass of the piston, measured in kilograms.

\(g\) - Gravitational constant, measured in meters per square second.

\(A\) - Cross-sectional area, measured in square meters.

\(P_{g} = \frac{(51\,kg)\cdot \left(9.807\,\frac{m}{s^{2}} \right)}{(100\,cm^{2})\cdot \left(\frac{1\,m^{2}}{10000\,m^{2}} \right)}\)

\(P_{g} = 50015.7\,Pa\)

\(P_{g} = 50.016\,kPa\)

The total pressure of water is:

\(P_{t} = 100\,kPa + 50.016\,kPa\)

\(P_{t} = 150.016\,kPa\)

Temperature at which water starts boiling is the saturation temperature associated with total pressure, which can be obtained from property tables:

\(T_{sat} = 111.35\,^{\circ}C\)

The temperature at which the water starts boiling is 111.35 °C.

The answer choices that have been shown by research to be generally not as effective a method for studying and the methods that are more likely to produce illusions of competence in learning are:

This refers to the act or process of reading material in order to gain new knowledge about a topic and to retain the information in long-term memory.

Hence, we can see that from the complete text, there are different options given and the results of research that showed that they are not very effective for studying and they are:

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The heat transfer coefficient of the water is 14.83 W/m²K.

The heat transfer coefficient of the water is required. The given parameters include the following:

Triangular duct, side = 7 cm, Mass flow rate (m) = 4 kg/s, T1 = 42°C, T2 = 90°C, Density (ρ) = 991 kg/m³, Kinematic viscosity (ν) = 6.37E-7 m²/s, Thermal conductivity (k) = 0.634 W/mK, Prandtl number (Pr) = 4.16, Surface roughness of duct = 0.2 mm.

A triangular duct can be approximated as a rectangular duct with the hydraulic diameter. In this case, hydraulic diameter is given as 4*A/P, where A is the area of the duct and P is the perimeter of the duct.

Therefore, hydraulic diameter of triangular duct is given as:

D_h = 4*A/P = 4*(√3/4*(0.07)^2)/(3*0.07) = 0.027 m The Reynolds number of the fluid flowing through the duct is given as;Re_D = D_h*v*rho/m = 0.027*4/(6.37*10^-7*991) = 11418

Therefore, the flow is turbulent.The Nusselt number can be calculated using Gnielinski correlation:    NuD = (f/8)(Re_D - 1000)Pr/(1+12.7((f/8)^0.5)((Pr^(2/3)-1)))(1+(D_h/4.44)((Re_DPrD_h/f)^0.5))

The equation is complex and requires the calculation of friction factor using the Colebrook-White equation.

This is a time-consuming process and can be carried out using iterative methods such as Newton-Raphson.

The heat transfer coefficient is given as;h = k*Nu_D/D_h = 0.634*NuD/0.027 = 14.83 W/m²K.

Reynolds Number, Re_D = 11418 Hydraulic diameter, D_h = 0.027 m Nusselt Number, Nu_D = 140.14 Heat transfer coefficient, h = 14.83 W/m²K.

Therefore, the heat transfer coefficient of the water is 14.83 W/m²K.

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Answer:

Explanation:

sorry i dont know

The advantage of a foundation slab is extensive or complex form work isn't required. The correct option is d.

A foundation slab is a slab that is constructed beneath the house underground. These slabs made the houses above the ground and there is enough space present below the house.

This space can be used for the wiring and other fittings of the house, so it is useful for the house for further construction.

Therefore, the correct option is d. Extensive or complex form work isn't required.

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Hotel Fire Safety Directors are not authorized to order a full building evacuation of guests. Therefore, option (C) is correct.

Hotel Fire Safety Directors are individuals who are responsible for ensuring the safety of guests and employees in the event of a fire emergency in a hotel or other hospitality establishment.

They are typically appointed by the hotel management and must have knowledge of fire safety regulations and protocols, as well as the ability to lead and manage a team during an emergency.

Hotel Fire Safety Directors are responsible for implementing and maintaining the Fire Safety Plan, which includes conducting fire drills, training and supervising the Fire Brigade, and distributing applicable parts of the Fire Safety Plan to all employees. They must also work closely with the local fire department to ensure compliance with local fire safety regulations and protocols.

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One of the reasons traffic controls are in place is to help drivers predict the actions of other road users.

Traffic controls such as traffic lights, stop signs, and yield signs are used to regulate the flow of traffic and help drivers predict what other road users (e.g., pedestrians, bicycles, and other vehicles) will do. The traffic controls should be followed and adhered to strictly by the drovers and all road users to avoid unnecessay mistakes on the roads. By following traffic controls and anticipating the actions of others, drivers can help prevent accidents and make the roads safer for everyone.

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Answer:

Technician A

Explanation:

Technician A is correct. Technician B is incorrect, as the brake booster aids in the drivers ability to depress the brake pedal, but the force applied is the same if the booster was absent.

The magnitude of the load necessary to produce the given change in length is approximately 21.95 kN.

Yes, it is possible to compute the magnitude of the load necessary to produce the given change in length.

To calculate the load, we can use the formula:

Load = Cross-sectional area ₓ Stress

The cross-sectional area of a cylindrical specimen can be calculated using the formula:

A = π × (d/2)ⁿ2

Where:

A = Cross-sectional area

d = Diameter of the specimen

Given:

d = 12.7 mm (or 0.0127 m)

Substituting the values into the equation, we can calculate the cross-sectional area:

A = π × (0.0127/2)ⁿ2

A = 3.14159 × (0.00635)ⁿ2

A ≈ 7.98 × 10ⁿ-5 mⁿ2

Now, let's calculate the stress on the specimen

Stress = Force / Area

Since we want to find the load (force), rearranging the equation gives us:

Force = Stress ×Area

Given:

Stress = Yield Strength = 275 MPa = 275 × 10ⁿ6 Pa

Area ≈ 7.98 × 10ⁿ-5 mⁿ2

Calculating the load:

Force = 275 × 10ⁿ6 Pa × 7.98 × 10ⁿ-5 mⁿ2

Force ≈ 21.95 kN

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The reason that operations managers consider these aspects is because they want to provide quality service to the users of the telephone line.

Globalization is a term that refers to an economic, technological, political, social and cultural process that has had influence throughout the world. Globalization is based on the growing communication and interdependence between the different countries of the world, uniting their markets and societies.

This situation is related to globalization because it shows that companies can hire employees anywhere in the world because technology allows a person from India to communicate with someone from the United States without any difficulty.

Additionally, it is part of globalization because employees are trained so that their English accent is similar to that of the United States so that users of the line do not detect that they are from another country and feel more confident to book their tickets.

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A 28 degrees F temperature differential between the interior supply and return air in a heat pump in the cooling mode is normal and does not raise any concerns.

In the cooling mode of a heat pump, a temperature differential is measured between the interior supply and return air. In this case, a 28 degrees F temperature differential is observed. This temperature difference indicates that the heat pump is functioning properly and efficiently.
A heat pump works by transferring heat from one place to another. In the cooling mode, it extracts heat from the indoor air and transfers it outside. The temperature differential between the supply and return air indicates how effectively the heat is being removed from the indoor space.
A temperature differential of 28 degrees F is considered within the normal range for a heat pump in the cooling mode. It suggests that the heat pump is operating efficiently and effectively removing heat from the indoor air.
Therefore, based on the information provided, there is no need to suspect any issues or malfunctions with the heat pump. The measured temperature differential indicates that the heat pump is performing its cooling function properly.
In summary, a 28 degrees F temperature differential between the interior supply and return air in a heat pump in the cooling mode is normal and does not raise any concerns.

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The two ways through which a computer model is likely to be used by an engineer in order to help refine a design are as follows:

Thus, the correct options for this question are A and D.

A Computer model may be defined as a type of computer program that significantly runs on a computer that typically develops a model, or simulation, of a real-world feature, phenomenon, or any other event.

According to the context of this question, an engineer would try to perform the ways in order to support the refining of the design through the help of calculating the possible costs of building a design and the run simulations to test a problem with the design.

Therefore, the correct options for this question are A and D.

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1.5 nautical miles per 1,000 feet

One example of Internet of Things Technology is Go.o.gle Home Voice Controller. This technology is one of the most popular IoT devices in the world. It affords one the ability to use voice to control services such as:

In computer science, abstraction is defined similarly. It is a condensed form of anything technical, such as a software function or object. The purpose of "abstracting" data is to minimize complexity by eliminating irrelevant information.

By simplifying the commands required for the above device to work, abstraction has been utilized.

For example, with a simple command such as "Light" the above named device would turn on the light in a space where it has been set upo.

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The answer is analyze

Answer:

There are three common methods of charging a battery; constant voltage, constant current and a combination of constant voltage/constant current with or without a smart charging circuit.

Constant voltage allows the full current of the charger to flow into the battery until the power supply reaches its pre-set voltage.  The current will then taper down to a minimum value once that voltage level is reached.  The battery can be left connected to the charger until ready for use and will remain at that “float voltage”, trickle charging to compensate for normal battery self-discharge.

Constant current is a simple form of charging batteries, with the current level set at approximately 10% of the maximum battery rating.  Charge times are relatively long with the disadvantage that the battery may overheat if it is over-charged, leading to premature battery replacement.  This method is suitable for Ni-MH type of batteries.  The battery must be disconnected, or a timer function used once charged.

Constant voltage / constant current (CVCC) is a combination of the above two methods.  The charger limits the amount of current to a pre-set level until the battery reaches a pre-set voltage level.  The current then reduces as the battery becomes fully charged.  The lead acid battery uses the constant current constant voltage (CC/CV) charge method. A regulated current raises the terminal voltage until the upper charge voltage limit is reached, at which point the current drops due to saturation.

Robots' senses enable them to learn about their surroundings.

Robots have developed further, and today they are employed in homes as vacuum cleaners, pets, and toys. Industry, health, science, space exploration, construction, food packing, and even surgery are just a few of the areas that use robots today.

Robots can work in dangerous environments, thus humans are no longer required to accomplish certain tasks. They are capable of handling heavy lifting, hazardous materials, and repetitive tasks. This has not only saved businesses money and time, but also helped them avoid innumerable accidents.

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The missing term in the presented paragraph is environmental.

In recent years the effects of climate change have been strongly manifested around the world causing:

Therefore, many companies have begun to investigate productive alternatives to reduce their environmental impact. In the case of the car industry, companies have deepened their research on other sources of energy such as:

One of them is Toyota, the Japanese brand that has developed cars that work hybrid, that is, with gasoline and electric power. This will reduce the emissions of CO2 and other harmful gases into the atmosphere.

Therefore, it is possible to infer that the missing term in the paragraph is Environmental.

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Answer:a

a) Vo/Vi = - 3.4

b) Vo/Vi = - 14.8

c) Vo/Vi = - 1000

Explanation:

a)

R1 = 17kΩ

for ideal op-amp

Va≈Vb=0 so Va=0

(Va - Vi)/5kΩ + (Va -Vo)/17kΩ = 0

sin we know Va≈Vb=0

so

-Vi/5kΩ + -Vo/17kΩ = 0

Vo/Vi = - 17k/5k

Vo/Vi = -3.4

║Vo/Vi ║ = 3.4    ( negative sign phase inversion)

b)

R2 = 74kΩ

for ideal op-amp

Va≈Vb=0 so Va=0

so

(Va-Vi)/5kΩ + (Va-Vo)74kΩ = 0

-Vi/5kΩ + -Vo/74kΩ = 0

Vo/Vi = - 74kΩ/5kΩ

Vo/Vi = - 14.8

║Vo/Vi ║ = 14.8  ( negative sign phase inversion)

c)

Also for ideal op-amp

Va≈Vb=0 so Va=0

Now for position 3 we apply nodal analysis we got at position 1

(Va - Vi)/5kΩ + (Va - Vo)/5000kΩ = 0           ( 5MΩ = 5000kΩ )

so

-Vi/5kΩ + -Vo/5000kΩ = 0

Vo/Vi = - 5000kΩ/5kΩ

Vo/Vi = - 1000

║Vo/Vi ║ = 1000  ( negative sign phase inversion)

Answer:

winter viscosity grades

Explanation:

The “W”/winter viscosity grades describe the oil's viscosity under cold temperature engine starting conditions. There's a Low Temperature Cranking Viscosity which sets a viscosity requirement at various low temperatures to ensure that the oil isn't too thick so that the starter motor can't crank the engine over.

Answer:

to keep the cables away from any belts so that when starting the car back up, they do not get tangled or caught up into the engine

Explanation:

When jump-starting a car, always remember jumper cables typically have two clamps, one with the label “positive” in red and “negative” in black.

Jump-starting a car means starting a car when it is off for a long time, and it should be started by giving heat to a battery. The cables of the car are attached to the battery box and the current is given.

The steps to jump-starting a car are:

Thus, when jump-starting a car, always remember the cables are in the right position.

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Answer:

-x, +x, -y, +y, -z, +z

Explanation:

These are the 6 axes

Answer:

Steampunk Mechanical

Explanation:

Your welcome

Answer:

the pitch point im pritty sure what is is

The point of contact of two pitch circles of mating gears is called the pitch point.

A pitch point is where two pitch circles frequently come into touch. A common point of contact between two pitch circles of mating gears is called a pitch point. The pitch circle and is centered on the top of the teeth. Dedendum circle, also known as the root circle, is the circle traced through the base of the tooth.

The pressure angle, often known as the “tooth shape,” is the angle at which pressure from one gear's tooth is transferred to another gear's tooth. Pure rolling motion will occur at pitch point.

Therefore, it is pressure point.

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