The point in an electrical circuit schematic where high voltage is stepped down to low voltage is at transformer.
What do you mean by an electric circuit?
Path for transmitting electric current in an electric circuit. An electric circuit consists of a device that provides energy to the charged particles that make up current, such as a battery or a generator, as well as devices that use current, such as lamps, electric motors, or computers, and the connecting wires or transmission lines. Ohm's law and Kirchhoff's rules are two fundamental laws that quantitatively define the behaviour of electric circuits.
Step-down transformers are used to connect transmission lines with varying voltage levels. They reduce the voltage level from a high to a low value.
So, D is the right answer.
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When developing the light bulb, thomas edison’s lab went through numerous materials until they found one that would work. Which one finally worked?.
Platinum filament.
Thomas Edison went through a series of different experiments while developing bulb until and unless the electricity passed through the Platinum filament, and it finally worked.
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Question 2
Salt in crude oil must be removed before the oil undergoes processi
fed to a washing unit where fresh water fed to the unit mixes with t
the sal contained in the oil. The oil (containing salt but no water), be
can be removed at the top of the washer. If the "spent" wash water
oil contains 5% salt, determine the concentration of the salt in the w
crude oil (with salt) to water used is 4:1.
The concentration of the salt in the w crude oil (with salt) to water used is 4:1 is 0.0061.
What is crude oil?
Crude oil is a hydrocarbon mixture that exists in liquid form in natural subterranean reservoirs and stays liquid at atmospheric pressure after passing through surface separation facilities.
The salt content of "spent" wash water is 15%.
5% of crude oil is salt.
The crude oil (with salt) to water ratio utilised is 4: 1.
Crude oil fraction:
95% of crude oil = 0.95
0.95F1 = x1E1
0.95(100) = x1E1
95= x1E1
E1 = 95/X1
wash water fraction:
15% of wash water = 100% -15% = 85%
= F2 = 0.85E2
salts fraction:
0.05F1 = (1-X1)E1 + 0.15E2
0.05F1 = (1-X)95/X1 + 0.15(F2/0.85)
0.05F1 = 95/X1 - 95 + 0.15(F2/0.85) (SINCE = 95.588 = 95/X1 = 99.38)
0.05(100) = 95/X1 - 95 + 17.61(1/4F1)
5 = 95/X1 - 95 + 4.41
Fraction of salts = 1- X1 = 0.0061
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a pressure cooker is a pan that cooks food much faster than ordinary pans by maintaining a higher pressure and temperature during cooking. the pressure inside the pan is controlled by a pressure regulator (the petcock) which keeps the pressure at a constant level by periodically allowing some steam to escape, thus preventing any excess pressure buildup. a certain pressure cooker has a volume of 6 l and an operating pressure of 75 kpa gage. initially, it contains 1 kg of water. heat is supplied to the pressure cooker at a rate of 500 w for 30 min after the operating pressure is reached. assuming an atmospheric pressure of 100 kpa, determine: a) the temperature at which cooking takes place. b) the amount of water left in the pressure cooker at the end of the process. assume some liquid water is still in the pan.
More cooking is done before the water actually begins to boil thanks to the raised pressure inside the cooker, which raises the boiling point of water above 1000C. In the end, food cooks more quickly.
Slow-cooked meals can be quickly prepared with pressure cookers. They are efficient in terms of electricity consumption and are excellent for tenderizing less expensive portions of meat. They are a healthy cooking method since they effectively retain nutrients and can cut cooking times by up to 50%. Water boils at 121°C (250°F) at that pressure. As a result, food may cook at considerably greater temperatures than it could under atmospheric pressure. Additionally, because cooking reactions quicken at higher temperatures, food cooks more quickly it is a good technology.
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Technician A says that water fade changes the coefficient of friction between the brake linings and drums until they dry out. Technician B says that hydraulic fade is caused by brake caliper seals leaking fluid onto the rotors. Who is correct?
According to the given question, technician A is correct.
Who are technicians?
A technician is a worker in a technological field who is skilled in the relevant skill and technique and has a practical understanding of the theoretical principles. Technicians are highly skilled professionals who work in nearly every industry. They service, repair, install, and replace various systems and equipment. Technicians typically work in teams with other skilled workers and must be able to read and communicate effectively.
Water fade occurs as a result of water-soaked brake linings acting as a lubricant, lowering the coefficient of friction between the braking surfaces. And technician A says that water fade changes the coefficient of friction between the brake linings and drums until they dry out.
So technician A is correct.
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What transfers the up-and-down motion from the lifter to the
rocker arm
Answer:
Explanation:
The camshaft lobe moves the lifter upwards, which moves the pushrod. The top end of the pushrod pushes on the rocker arm, which opens the valve.
In developing engine designs, manufacturers use thermocouples to measure the ___________ of components, such as spark plugs and exhaust systems.
Answer: High temperatures
position for an electron is 4.7i - 4.1j + 5.7k find the magnitude
Answer:
for the magnitude we use Pythagoras (with the components) to get: ∣∣∣→A−→B∣∣∣=√(−1)2+(5)2=√1+25=√26≈5.1
what is dbr in om???
The debt-burden ratio (DBR), which includes loan and credit card payments, is the ratio of your total monthly expenses to your gross income.
How is DBR determined?Your debt-burden ratio (DBR), which includes payments for loans and credit cards, is the proportion of your total monthly expenses to your gross income. Banks use this figure to determine your eligibility for loans and credit cards because it reflects your present debts and repayment capacity.While dBm expresses the absolute power level, dB quantifies the ratio between two values. dBm is a dimensionless unit, whereas dB is an absolute unit. While dB is represented in watts and can be relative to various powers, dBm is always relative to 1mW.Your debt-burden ratio (DBR), which includes payments for loans and credit cards, is the proportion of your total monthly expenses to your gross income. Banks use this figure to determine your eligibility for loans and credit cards because it reflects your present debts and repayment capacity.DBR scheduling assists custom manufacturers by locating the resource in a shop that is causing delays, and then builds a plan around that resource to improve the efficiency and performance of the entire shop.To Learn more About dBr, Refer:
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what does '' emerging'' mean, emerging technologies and how are they found?
Answer:
The term commonly refers to technologies that are currently developing, or that are expected to be available within the next five to ten years, and is usually reserved for technologies that are creating, or are expected to create, significant social or economic effects.
The result is the delineation of five key attributes that qualify a technology as emerging. These are: (i) radical novelty, (ii) relatively fast growth, (iii) coherence, (iv) prominent impact, and (v) uncertainty and ambiguity.
8. SAI and IA are most useful for what?
OA. Correctly measuring the front wheel track
OB. Evaluating the exact caster setting needed
OC. Determining if the setback is correct
OD. Determining if there has been collision damage
Grade/Exit
Return. The steering pivot line's angle, as seen from the front of the vehicle, is known as the steering axis inclination (SAI). When you turn the wheel away from a straight forward position, the vehicle lifts slightly due to the included angle, which is created by adding this angle to the camber (see below).
What is Sai's primary motivation?The Steering Axis Inclination (SAI) angle causes the wheel spindle to slant downward slightly as the wheel is turned, which directly affects steering and handling. The same effect is produced by caster, which is the forward or backward tilt of the steering axis as seen from the side. How is the Student Aid Index going to be determined? Your SAI is based on the financial profile of you and your family as described in the Free Application for Federal Student Aid, or FAFSA. The index will be equal to the total of your income, your parents' income, and your assets.
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The steering pivot line's angle, as seen from the front of the vehicle, is known as the steering axis inclination (SAI).
What is Sai's primary motivation?The Steering Axis Inclination (SAI) angle causes the wheel spindle to slant downward slightly as the wheel is turned, which directly affects steering and handling. The same effect is produced by caster, which is the forward or backward tilt of the steering axis as seen from the side. Your SAI is based on the financial profile of you and your family as described in the Free Application for Federal Student Aid, or FAFSA. The index will be equal to the total of your income, your parents' income, and your assets.The steering axis inclination is the angle of the steering pivot line as seen from the front of the car. The included angle, which is produced by adding this angle to the camber, causes the vehicle to lift slightly when you turn the wheel away from a straight forward position.To learn more about 'Steering Axis Inclination' refer to
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Briefly explain thermal expansion using the potential energy–versus–interatomic spacing curve.
As the temperature of the material increases, the potential energy of the molecules increases. Thermal expansion occurs due to changes in temperature, and interatomic distances increase as potential energy increases.
What are the uses of Thermal Expansion?Thermal expansion is used in a variety of applications such as rail buckling, engine coolant, mercury thermometers, joint expansion, and others.
It is to be noted that an application of the concept of liquid expansion in everyday life concerns liquid thermometers. As the heat rises, the mercury or alcohol in the thermometer tube moves in only one direction. As the heat decreases, the liquid moves back smoothly.
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