27.6 m high would water rise in the pipes of a building if the water pressure gauge shows the pressure at the ground floor to be 270 kpa (in m).
How does water pressure increase with height?One liter of water weighs one kilogram and has a volume of one thousand centimeters since water is roughly 1000 times heavier than air. Again, if we make a column with a surface area of 1 cm2 and a height of 10 m, we will achieve a water pressure of 1 kg/cm2 (1 bar = 1 kg/cm2) at the bottom. Every 10 meters of depth results in an increase of 1bar in water pressure.Larger pipes improve the water flow through the line, but they won't boost your water pressure if the water flow isn't sufficient. Although municipal water systems offer tremendous pressure, a bigger line won't necessarily be beneficial. Larger lines don't automatically make things stronger or quicker.Learn more about water pressure refer to :
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a single-threaded 25-mm power screw is 25 mm in diameter with a pitch of 5 mm. a vertical load on the screw reaches a maximum of 5 kn. the coefficients of friction are 0.06 for the collar and 0.09 for the treads. the frictional diameter of the collar is 45 mm. find the overall efficiency and the torque to ""raise"" and ""lower"" the load.
The torque required to raise the load is 15.75 N-m. The torque required to lower the load is 7.81 N-m.
The overall efficiency is 0.252
What is torque?Torque is the force that can cause an object to rotate around an axis. In linear kinematics, force is what causes an object to accelerate. Similarly, torque is responsible for angular acceleration.
As a result, torque is defined as the rotational equivalent of linear force. The axis of rotation is the straight line around which the object rotates. Torque is simply the tendency of a force to turn or twist in physics.
Torque is described using a variety of terms, including moment and moment of force. The moment arm or lever arm is the distance between the point of application of force and the axis of rotation.
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"smart" wifi devices which are equipped with more sensors, tend to use more energy or watts than old fashioned single contact devices.
true or false?
Answer: true explanation:Smart home devices like thermostats and appliances are highly efficient because they can automatically adjust to changing energy needs. Plus, they can detect inefficiencies so electricity, water, and gas waste can be minimized. Your energy consumption can be reduced exponentially when smart devices run your home.
a 12-bit bipolar dac has a 10.00-v reference. find out: (6 pts) a. what output voltage will be resulted from digital inputs of 4a6h, 02bh, and d5dh?
A 12-bit bipolar dac has a 10.00-v reference, the output voltage from digital inputs of
4a6h, v₀ = 2.906 v
02bh, v₀ = 0.105 v
d5dh, v₀ = 8.3541 v
What is voltage?An electrical circuit's power source exerts pressure known as voltage on charged electrons (current), causing them to flow through a conducting loop and perform tasks like lighting a lamp.
Voltage is measured in volts and is simply equal to pressure. It honors Italian physicist Alessandro Volta (1745–1827), who developed the voltaic pile, the predecessor to the modern household battery.
Voltage was first known as electromotive force in the early history of electricity. For this reason, voltage is denoted by the letter E in equations like Ohm's Law.
The difference in electric potential between two points is known as voltage, also spelled as electric pressure, electric tension, or electric potential difference. It is equivalent to the work required to move a test charge between two points in a static electric field.
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if a 25 kva transformer had a primary voltage of 4,800 volts and an output voltage of 240 volts, what would the maximum primary and secondary amperage's be before overload?
The maximum primary and secondary amperage's be before overload :
25 KVA/2400 = 10.4 Amps (Primary)25 KVA/120 = 208.3 Amps (Secondary)50 KVA/4800 = 10.4 Amps (Primary)50 KVA/ 240 = 208.3 Amps (Secondary)What happens when transformer is overloaded?kVA, voltage, and current should be compared to the transformer's nameplate. There probably is an overload if the power consumption exceeds the information on the nameplate.You may argue that the transformer will be overloaded once the temperature rise brought on by loading exceeds the rated rise as specified by the manufacturer. Temperature rise affects a transformer's insulating life to some extent.If the transformer is repeatedly overloaded, the system will deteriorate faster. A weaker insulating system is the end outcome of gradual, minor changes in loading capacity. Overloading leads to overheating, which finally results in thermal deterioration that affects the insulation through fractures.Explanation :
A typical household service might be rated 120/240 volts, 100 amperes. This means at full load the customer requires 100 amps at 240 volts. The power needs would be 240 x 100=24,000 volt amps or 25 kVA. A 25 kVA transformer would easily supply this load. Similarly, a service rated 240 volts; 200 amperes would have a power capacity of 240 x 200 = 48,000 volt amps or 48 kVA and would need a 50 kVA transformer.
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what is the output frequency of a three-stage binary counter with an input clock frequency of 80 khz?
The lowest output frequency that can be used with a cascaded counter if a clock frequency is applied is: The output frequency that is lowest will be = [tex]2.5kHz[/tex]
What is the counter's output frequency?No matter whether the counter is synchronous or asynchronous, the output frequency for a binary counter or M mod counter is f/2n, where f is the input frequency and n is the number of flip-flops (but only if the duty cycle is 50%).A counter is a device that stores (and occasionally displays) the number of times a specific event or process has occurred in digital logic and computing, frequently in relation to a clock.The most typical kind is a sequential digital logic circuit, which has several output lines and a clock-input line.A binary three-stage counter counts.[tex]2^{2} = 8[/tex] states.Hence the output frequency is[tex]80/23=80/8=10KHz[/tex]What is a 4-bit binary counter's output frequency for a 160 MHz input clock? A 4-bit counter's final flip flop's output is equal to the input clock/16.Thus, the output frequency is 160MHz/16, or 10MHz.TO learn more about counter's output frequency refer to:
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an 8-bit a/d converter has a reference voltage of 10 v. (5 pts) a. what is the resolution of the a/d converter?
The smallest incremental voltage that the ADC can detect and recognize without changing the digital output is referred to as the resolution.
A DAC's resolution can be determined in what ways?The formula Resolution = (Range /(2n -1)) is used to calculate resolution for n-bit DACs. which will result in the slightest alteration the DAC can detect. Range, on the other hand, is the maximum value that a DAC can measure.The smallest incremental voltage that the ADC can detect and recognize without changing the digital output is referred to as the resolution. The ADC output bit count is how it is expressed. So an ADC with a resolution of 12 bits is one that converts an analog signal to a 12-bit digital value.To learn more about Resolution refer to:
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technician a says a worn or damaged idler arm can cause front-end shimmy. technician b says a worn or damaged idler arm can cause hard steering. who is correct?
Insufficient power steering fluid in your system is the most frequent cause of a stiff steering wheel.
What can be a sign that the steering system's parts are damaged?Any noises emanating from the steering wheel could be an indication of a broken steering belt, worn internal gears, or insufficient steering fluid. A new belt must be purchased right away if there is a belt problem. When making a turn, have you noticed a whining or a delayed response? The pump might be about to stop working.Insufficient power steering fluid in your system is the most frequent cause of a stiff steering wheel. This frequently occurs when there is a system leak coming from the pressurized hose location. The majority of the time, the reason for the fluid leak is a fractured or loose hose.To learn more about Steering refer to:
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a steel component is nickel plated to give corrosion protection. to increase the strength of the bond between the steel and the nickel, the component is heated for 4 h at 1000c. if the diffusion parameters for nickel in iron are do ¼ 1.9 104 m2 /s and qd ¼ 284 kj/mol, how far would you expect the nickel to diffuse into the steel in this time?
Diffusion coefficient, D = 3.77 × 10⁻⁶ m²/s
Thus, approximate depth of diffusion is 2.3 microns.
What is diffusion?Diffusion is a process that results from molecules moving randomly and that allows matter to move from one area of high concentration to another area of low concentration. A well-known illustration is how quickly a flower's fragrance fills a room's still air.
Thermal energy that is transported or diffused from a temperature that is higher to one that is lower constitutes heat conduction in fluids. Neutrons must diffuse through a medium, where they frequently scatter but very infrequently absorb, in order for a nuclear reactor to operate.
According to research, the gradient in concentration is directly correlated with the rate of flow of the diffusing substance.
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problem 1: (a) design a compound 2-stage reverted gear train as a speed increaser to provide a total speed increase of exactly 48:1. minimize the gearbox size and use 20° pressure angle full depth gears all with the same diametral pitch, and avoid interference. show a simple scaled sketch or drawing of your meshed gears and clearly give the number of teeth on each gear (n2, n3, n4, n5). (b) repeat this with a 22.5° pressure angle. (c) using a diametral pitch of 16, what is the distance between the shafts, d, in cases (a) and (b)?
The distance between the shafts, d, in cases (a) and (b) Using a diametral pitch of 16 is, D = 29.56m
What is distance?Distance is a measurement of how far apart two objects or points are, either quantitatively or occasionally qualitatively. Distance in physics or common usage can refer to a physical length or an estimate based on other factors (e.g. "two counties over").
The term is frequently used metaphorically to refer to a measurement of the difference between two similar objects (such as statistical distance between probability distributions or edit distance between strings of text) or a degree of separation since spatial cognition is a rich source of conceptual metaphors in human thought (as exemplified by distance between people in a social network).
The concept of a metric space is used in mathematics to formalize the majority of such notions of distance, both literal and figurative.
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if this light stays on after the initial startup of the vehicle it signals a warning that there is something wrong with the service brake system. a) vehicle function indicators b) dashboard warning devices c) oil pressure indicator d) coolant temperature indicator e) electrical system indicator f) service brake system indicator
Service brake system indicator is the warning that there is something wrong with the service brake system. Hence option f is correct.
What is indicator?Amber-colored indicator lights can be found at the front, back, and occasionally on the left and right sides of the vehicle. Whether you're turning left, right, or into oncoming traffic, you use your indicators to signal your planned change of direction.
When this light turns on, one of two things will happen. Either the parking brake is engaged or the hydraulic fluid (brake fluid) in the master cylinder is low. Your brakes are made up of a system of hydraulic oil-filled tubes called brake lines.
Thus, service brake system indicator is the warning that there is something wrong with the service brake system. Hence option f is correct.
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