The Overall heat transfer coefficient and the length of pipe required was 9.48x10 J and the length of pipe required is 57m.
What is the supposed via way of means of heat transfer?Warmness transfer, all or any of numerous forms of phenomena, taken into consideration as mechanisms, that deliver power and entropy from one place to another. The unique mechanisms are commonly known as convection, thermal radiation, and conduction.
1/U= 1/ha+x/k+1/hk=1/1200+3/21+1/3000= 1.31 x 10^-3.Now U= 763.6 Wm^-2-C-1.To length of pipe required= Q = UAdelta m.= A=3.142xDl= l =4.48/3.142x0.025=57 m.Read more about the length :
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Besides hev and ev motor systems themselves what other systems may use high voltage
Besides hev and ev motor systems themselves what other systems may use high voltage are the air conditioning compressor, auxiliary battery, and water pump.
Why an excessive voltage is used?
High voltages are utilized in transmission structures due to the fact a better voltage implies a decrease modern-day for a given energy of transmission. With a decrease modern-day, much less warmth is generated withinside the transmission traces and so much less electricity is wasted. Furthermore, it has superb environmental benefits.
To come up with a difficult estimate the common rated energy of the water pump is from 250 watts to 1500 watts. The smaller the water pump, much less is the wattage, much less is the energy consumption, subsequently low is the release and head.Usually, an auxiliary deliver is energy delivery that gives an auxiliary voltage. An instance will clean this up. Say you've got got a switching circuit with score of 220VAC enter and 12VDC output. Enclosure air conditioners may be designed to run on AC and DC voltages. The AC versions perform at 120, 230, 380, 400, 480, 575 and six hundred V at frequencies of 60 and/or 50 Hz.Read more about the voltage:
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Technician A says that as long as the dog (clutch) teeth of the synchronizer are rounded, the synchronizer can be reused. Technician B says that the synchronizer sleeve should slide smoothly on its splines. Who is correct
Neither of the technicians are correct.
Who is a technician?A technician simply means an individual who looks after the technical equipments in a company.
In this case, the teeth of the synchronizer are not rounded, the synchronizer can be reused. This shows that he is incorrect likewise technician B.
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Preferential stress will cause crystals to rotate into a preferred orientation unless the crystals are ________
Answer:
Preferential stress will cause crystals to rotate into a preferred orientation unless the crystals are Equant
If the digital inputs for a supply-air fan control application indicate that the supply-air fan should be on, the controller compares the measured ________ to the set point; if this reading is lower than the setpoint, the supply-air fan speed must be increased.
If the digital inputs for a supply-air fan control application show that the supply-air fan should be ON, the controller compares the measured static air pressure to the set point.
The operation of a supply-air fan control.Basically, the controller of a supply-air fan control application is designed and developed to compare the measured static air pressure to the set point when its digital inputs indicate that the supply-air fan should be ON.
By design and configuration, if the measurement of the static air pressure is lower than the set point, the supply-air fan speed must be increased by an engineer accordingly.
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Which of the following industries is leaching used in?
a.To separate a mixture of ethanol and water
b.To separate a slurry containing chalk and water
c.To separate a metal from its ore using acid and preserving desirable products such as gold.
d.None of the above.
Leaching is used in industries to separate a metal from its ore using acid and preserving desirable products such as gold. Thus option C is the correct answer.
What is a metal?A material that quickly releases electrons to produce positive ions and has good electrical conductivity, luster, and flexibility is referred to as metal.
A chemical is extracted from a solid material that has made contact with a liquid during the leaching process. While certain chlorides are dissolved in sodium chloride solution, precious metals like gold are dissolved in cyanide solutions.
Therefore, option C separation of a metal from its ore using acid and preserving desirable products such as gold is the appropriate answer.
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What is the first test you should do when checking the charging system?
Answer:
Connect the test light in series with the negative post, and start pulling feed wires. The first to check is the heavy charging wire from the alternator. A bad or leaky diode in an alternator is a very common source of overnight battery drain. Connect wires one at a time to see what lead is drawing current.
Suppose that the weights for newborn kittens are normally distributed with a mean of 125 grams and a standard deviation of 15 grams. Determine the following. You must show your work or explain the reasoning or process you used to arrive at your answers. Please circle or highlight your final answers.
a. If a kitten weighs 99 grams at birth, what percentile of the weight distribution is it in?
b. How heavy must a kitten be, at a minimum, to be in the 90 th percentile (i.e. 90% of kittens weigh less than this amount)?
(a) If a kitten weighs 99 grams at birth, it is at 5.72 percentile of the weight distribution.
(b) For a kitten to be at 90th percentile, the minimum weight is 146.45 g.
Weight distribution of the kittenIn a normal distribution curve;
2 standard deviation (2d) below the mean (M), (M - 2d) is at 2%1 standard deviation (d) below the mean (M), (M - d) is at 16 %1 standard deviation (d) above the mean (M), (M + d) is at 84%2 standard deviation (2d) above the mean (M), (M + 2d) is at 98%M - 2d = 125 g - 2(15g) = 95 g
M - d = 125 g - 15 g = 110 g
95 g is at 2% and 110 g is at 16%
(16% - 2%) = 14%
(110 - 95) = 15 g
14% / 15g = 0.93%/g
From 95 g to 99 g:
99 g - 95 g = 4 g
4g x 0.93%/g = 3.72%
99 g will be at:
(2% + 3.72%) = 5.72%
Thus, if a kitten weighs 99 grams at birth, it is at 5.72 percentile of the weight distribution.
Weight of the kitten in the 90th percentileM + d = 125 + 15 = 140 g (at 84%)
M + 2d = 125 + 2(15) = 155 g ( at 98%)
155 g - 140 g = 15 g
14% / 15g = 0.93%/g
84% + x(0.93%/g) = 90%
84 + 0.93x = 90
0.93x = 6
x = 6.45 g
weight of a kitten in 90th percentile = 140 g + 6.45 g = 146.45 g
Thus, for a kitten to be at 90th percentile, the approximate weight is 146.45 g
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what is the last item on the vehicle starting checklist
The last item on the vehicle starting checklist before a driver begins to travel is for the driver to release the service brake.
What does it mean to release the brake?The Release Parking Brake message implies that your parking brake is said to be currently engaged and as such one needs to release the parking brake before one can be able to drive the vehicle.
Therefore, The last item on the vehicle starting checklist before a driver begins to travel is for the driver to release the service brake.
See full question below
what is the last item on the vehicle starting checklist before a driver begins to travel?
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Determine the general lighting load for a two-story office building that measures 125 feet by 150 feet.
The general lighting load for a two-story office building that measures 125 feet by 150 feet is 112, 500 sq ft.
What is lighting load?
Lighting loads are the energy used to power electric lights and they make up nearly a third of US commercial building energy use.
Lighting load = n(LW)
where;
L is length of the buildingW is width of the buildingn is number of story buildingFor one story building, = 3
For two story building, n = 6
Lighting load = 6 x 125 x 150 = 112, 500 sq ft.
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10. What refrigerant is no longer manufactured in the
United States?
Answer:
Freon Refrigerant
Explanation:
As of January 1, 2020 Freon Refrigerant can no longer be manufactured or imported to the United States. This is because R-22 (the principal component in Freon) has been banned in the states. Along with other greenhouse gasses, due to their contribution to damaging Earth’s ozone layer and global warming.
hope this helps:)
Answer:
Freon Refrigerant Is Now Banned in the US
As of January 1, 2020, a once very popular air conditioning refrigerant can no longer be made in or imported into the United States.
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In a basketball game, the point guard A intends to
throw a pass to the shooting guard B, who is breaking
toward the basket at a constant speed of 12 ft /sec. If
the shooting guard is to catch the ball at a height
of 7 ft at C while in full stride to execute a layup,
determine the speed v0 and launch angle with
which the point guard should throw the ball
In a basketball game, point guard A intends the speed as 47.76 ft/sec, and the launch angle will be 41.084°.
What is the projectile motion?The projectile motion is given as the motion of the object in the curved path near the earth's surface. The throwing of the ball will follow the projectile motion.
The missing image is attached below.
The given game situation consists of:
Velocity of shooting guard (vs) = 12 ft/sec.
Distance from B to C (sc) = 20 ft
Final height to catch the ball, 7 ft
The total distance to cover from B to C = 60 ft
Time is taken to reach B to C = Distance/Speed
Time to reach B to C = 20ft/12ft/sec
Time to reach B to C = 1.667 sec.
The time taken to cover the horizontal distance:
Distance = Velocity * Time
60³ = v₀cosθ * distance/time
60³ = v₀cosθ * 20/12
v₀cosθ = 36 ft/sec
The vertical movement can be given where, g = 32.2 ft/sec²:
s = s₀ + v₀sinθ * time + 1/2 -g time²
7 = s + v₀sinθ * 20/12 - 1/2 32.2 ft/sec² * (20/12)²
v₀sinθ = 31.3875 ft/sec
[tex]\rm v_0 =\sqrt{v_0sin\theta^2\;+\;v_ocos\theta^2}[/tex]
Substituting the values:
v₀ = 47.76 ft/sec
The launch angle for the ball will be:
tanθ = v₀sinθ/v₀cosθ
tanθ = 31.3875/36
tanθ = 0.871
θ = 41.084°
Thus, the speed v₀ of the ball will be 47.76 ft/sec, and the launch angle will be 41.084°.
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Determine the minimum number of 120-volt, 20-ampere circuit breakers for a continuous load consisting of 63 feet of track lighting to be installed in a dress shop. Calculate the number of circuits to the larger whole number.
If we have 20-ampere circuit breakers. The number of circuits to the larger whole number is: 13.
Number of circuitsReceptacles on a single strap= 180 VA each.
Hence,
VA of the circuit=(Volts x Amperes)/One receptacle
Let plug in the formula
VA of the circuit=(120 volts x 20 amperes)/180 VA
VA of the circuit= 2,400 VA (circuit)/180 VA
VA of the circuit = 13 circuits
Therefore the number of circuits to the larger whole number is: 13.
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when electric power is transmitted over long distance, line losses can be reduced by generating AC rather than DC voltage and by transmitting?
When electric power is transferred over a long distance then, line loss can be reduced by high voltage and low current. Thus, option A is correct.
What is electric power?The complete question is attached to the image below.
The electric circuit transfers the electric current then it is called electric power. The loss in the line over a larger distance is reduced by transferring AC instead of DC voltage.
The AC transmitted is of high voltage, and the power is low. The equation for current is given,
P = VI
The increase in the voltage causes the decrease in the current and in turn the resistance also reduces resulting in the loss of the power of the circuit to decrease.
Therefore, the loss is reduced by transferring high voltage and, low current AC.
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In a hydraulic system a reservoir baffle prevents the hydraulic oil from moving directly from the system return line to the pump ____ line.
In a hydraulic system a reservoir baffle prevents the hydraulic oil from moving directly from the system return line to the pump suction line.
What is a hydraulic system?It should be noted that a hydraulic system simply means a mechanical function that operates through the force of liquid pressure.
In this case, in a hydraulic system a reservoir baffle prevents the hydraulic oil from moving directly from the system return line to the pump suction line.
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Hydraulic vane phaser
Answer:
Vane pumps are hydraulic pumps that operate at very low noise levels. Hydraulic vane pumps operate with much lower flow pulsation, i.e. constant flow. As such, vane pumps produce less noise while maintaining a relatively high speed of up to 3,000 rpm.
Explanation:
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the plastic region of the stress-strain curve for a metal is characterized by:
The plastic region of the stress-strain curve for a metal is mainly characterized by a power function known as the flow curve.
What is the plastic region?The plastic region of a stress-strain curve can be defined as the portion where some permanent deformation occurs in a material, even if the load is removed.
Based on scientific information and records, the plastic region of the stress-strain curve for a metal is mainly characterized by a power function known as the flow curve.
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When reassembling a locking hub mechanism, it is a good idea to replace the: Group of answer choices retaining plate. all snap rings. bearing seal. axle shafts.
When reassembling a locking hub mechanism, it is a good idea to replace the bearing seal.
What is a bearing seal?It should be noted that the bearing seal is used to prevent contaminants from reaching the inside of the parts and also from preventing the lubricant leaking.
In this case, when reassembling a locking hub mechanism, it is a good idea to replace the bearing seal.
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4.5% complete Question Select the methods of containment based on the concept of isolation. (Select all that apply.) A.Blackhole B.Sinkhole C.Physical disconnection/air gapping D.Sandboxing
Answer:
A. Blackhole
C. Physical disconnection/air gapping
D. Sandboxing
Here are the methods of containment based on the concept of isolation:
Physical disconnection/air gapping is the most effective method of isolation, separating the infected system from the rest of the network.
How does sandoxing work?Sandboxing isolates the infected system in a controlled environment, allowing analysis and cleaning without affecting the rest of the network. Quarantine isolates the infected system from the rest of the network until it can be cleaned, preventing it from infecting other systems.
The following methods are not based on the concept of isolation:
Blackhole: This is a method of redirecting malicious traffic to a dead end. This does not isolate the infected system, but it does prevent the malicious traffic from reaching other systems on the network.
Sinkhole: This is a method of redirecting malicious traffic to a honeypot. This does not isolate the infected system, but it does allow security researchers to collect information about the malicious traffic.
Therefore, the methods of containment based on the concept of isolation are Physical disconnection/air gapping, Sandboxing, and Quarantine.
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A 7-hp (shaft) pump is used to raise water to an elevation of 15 m. If the mechanical efficiency of the pump is 82 percent, determine the maximum volume flow rate of water.
The maximum volume flow rate of water is determined as 0.029 m³/s.
Power of the pump
The power of the pump is watt is calculated as follows;
1 hp = 745.69 W
7 hp = ?
= 7 x 745.69 W
= 5,219.83 W
Mass flow rate of waterη = mgh/P
mgh = ηP
m = ηP/gh
m = (0.82 x 5,219.83)/(9.8 x 15)
m = 29.12 kg/s
Maximum volume rateV = m/ρ
where;
ρ is density of water = 1000 kg/m³V = (29.12)/(1000)
V = 0.029 m³/s
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Technician A states; that bent lift arms can be straightened.
Technician B states; that worn lift pads should be replaced.
Who is correct?
Both technician "A" and "B"
Neither technician "A" nor "B"
Technician "A" only
Technician "B" only
Design a driver circuit that should drive a a seven segment to display octal numbers
[0 up to 7]. Your work should include the following steps
1) An appropriate title
2) The truth Table
3) Simplified expressions for the appropriate circuit
4) Logical circuit for the driver.
Answer:
point hehe sorry sorry
Explanation:
I don't know
8) Microsoft Windows is
A. the most popular computer OS
B. a system software that manages computer
C. a collection of computer programs or applications along with its related data
Before installing head gaskets look for “____” labels on the head gaskets
Before installing head gaskets, you should look for "this side up" or "front" labels on the head gaskets.
What is a head gasket?A head gasket can be defined as a gasket which is fitted between the engine block and the cylinder head in an internal combustion engine, so as to seal oil passages and absorb the pressures of the combustion that occurs inside the engine.
As a general rule, you should look for "this side up" or "front" labels on the head gaskets before installing head gaskets in an internal combustion engine of a vehicle.
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Engine vacuum is being discussed. Technician A says that when the engine is operating under light loads, engine vacuum is low. Technician B says that engine vacuum is high when the engine is operated under heavy loads. Who is correct
Neither of the two technicians (Technician A and Technician B) is correct.
What is an engine vacuum?An engine vacuum can be defined as a type of engine which is designed and developed to derive its force from air pressure that's being pushed against one side of the piston of an automobile, while having a partial vacuum on the other side.
In this scenario, we can infer and logically conclude that neither of the two technicians (Technician A and Technician B) is correct because engine vacuum is high when the engine is operating under light loads and vice-versa.
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Silicon chips are used primarily in ?
Answer:
4th generation computers
Silicon chips are used primarily in relays. The correct option is B.
What are silicon chips?The brain of the device is made up of silicon chips, which control all of its internal mechanisms. Tablets, smartphones, and laptops are a few examples.
The invention of silicon chips led to the revolutionization and miniaturization of technology, as well as the creation of the contemporary computer.
Instead of the slow computers that used to take up entire rooms, it made it possible to create fast computers that fit in people's homes and eventually portable computers.
Relays are electrically powered switches that operate by receiving electrical signals from other sources to open and close circuits.
Therefore, the correct option is B. relays.
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The question is incomplete. Your most probably complete question is given below:
A. integrated circuits
B. relays
C. motors
D. transformers
The results of a _________ test will determine if there is suitable drainage and the size of the drain field that will be required for a septic system.
Answer:
The results of a percolation test will determine if there is suitable drainage and the size of the drain field that will be required for a septic system.
An Exterior Insulation Finish System (EIFS) shall terminate a minimum ___________ inches above the finished ground level.
Answer:
An Exterior Insulation Finish System (EIFS) shall terminate a minimum 6 inches above the finished ground level.
what input is required from ADC to allow the INS to calculate W/V?
TAS is an important input which is required from ADC to allow the INS calculate W/V.
What is INS?INS is abbreviation for Inertial Navigation System and it can be defined as a navigation device that makes use of motion sensors, a computer, and rotation sensors, so as to continuously calculate by dead reckoning the velocity, position, and orientation of a moving object.
In the Aviation and Engineering filed, True Airspeed (TAS) is an important input which is required from ADC to allow the Inertial Navigation System (INS) calculate W/V.
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the best way to complete a turn requires that you
The best way to complete a turn needs that a person accelerate slowly about halfway through the turn.
What should you do when preparing to turn?If a person wants to prepare to turn, a person need to lower their speed and stay by the far right as soonest.
Therefore, The best way to complete a turn needs that a person accelerate slowly about halfway through the turn.
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Technician A uses heat shrink tubing to insulate and seal soldered wire connections. Technician B wraps the soldered connection with electrical tape. Who is correct
The technician that's correct is Technician A.
Who is a technician?A technician is an individual that's employed to look after the technical equipments in an organization.
In this case, Technician A uses heat shrink tubing to insulate and seal soldered wire connections. He is correct.
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