Discuss on forced convection heat transfer with real examples.
Answer:
forced convection
Explanation:
When a fan, pump or suction device is used to facilitate convection, the result is forced convection. Everyday examples of this can be seen with air conditioning, central heating, a car radiator using fluid, or a convection oven.
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Answer:
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As
is the rate (in time and distance) at which that force
is a twisting or turning force,
is produced
(
Select one:
O A. Torque; horsepower; torque
OB. Torque; horsepower; horsepower
O C. Horsepower; torque; horsepower
O D. Horsepower; torque; torque
Clear my choice
Answer:
C
Explanation:
As horsepower is the rate at which that force torque is a twisting or turning force, horsepower is produced. Hence option C is correct.
What is horsepower?Horsepower is defined as a unit used to describe the pace at which labor is done or to quantify power, frequently in relation to the output of engines or motors. Standardization and types of horsepower vary widely. A car's engine power is measured in horsepower (hp); the greater the number, the more power is transferred to the wheels and, in theory, the faster it will travel.
To put it simply, horsepower is your overall speed and power, whereas torque allows you to feel the sensation of acceleration when you put your foot down. When you realize that horsepower is derived from torque, this makes sense. Torque is a unit of rotational or twisting force. The power an engine produces is referred to as horsepower.
Thus, as horsepower is the rate at which that force torque is a twisting or turning force, horsepower is produced. Hence option C is correct.
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As the amplitude decreases in a wave the energy increasesTrue or false
Answer:
True
Explanation:
To summarise, waves carry energy. The amount of energy they carry is related to their frequency and their amplitude. The higher the frequency, the more energy, and the higher the amplitude, the more energy.
Anything that is made to meet a need or desire is?
a) Design
b) Technology
c) Process
d) Tool
Answer:
Technology
Explanation:
It’s made to meet desire
It should be noted that Anything that is made to meet a need or desire is Technology.
What is Technology?Technology can be regarded as the practical application of science.
Technology can be seen in areas such as
CommunicationTransportationAgricultureHowever, Technology came up because of the necessity for it, people desire it.
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Identify and explain the importance of Security Information and Event
Management (SIEM) .You are hire as a Information Security officer in Evincible
Securities .And you are going to move organization towards (SIEM) .
Security Information and events management describes an integration of Information and event management in the aspect of organizational security.
With Security Information and Event Management, organizations can effectively manage security logs of events and information using collected and filtered data in other to identify potential risk to networks and systems in real time. Gathered information could be used to create threat alerts and assign different level of priority based on specified rules and conditions.Hence, SIEM could leverage the capability of machine learning models and generated data in other build a robust security system.
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Twisting force is known as:
Select one:
A. thrust.
B. horsepower.
C. torque.
D. energy.
List the crops that can be used dibbler .
Answer:
A dibber or dibble or dibbler
Explanation:
A dibber or dibble or dibbler is a pointed wooden stick for making holes in the ground so that seeds, seedlings or small bulbs can be planted. Dibbers come in a variety of designs including the straight dibber, T-handled dibber, trowel dibber, and L-shaped dibber
What is the purpose of the red-core yarns in the synthetic sling?
An immediate strength loss. This is why Sling Webbing has red core yarns to visually reveal damage and act as a basis for sling rejection.
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The purpose of the red-core yarns in the synthetic sling is to detect the strength loss and also to reveal the damage in the red corn yarns.
What is synthetic sling?Lifting slings constructed of synthetic materials like nylon or polyester are known as synthetic slings. These kinds of slings, which can also be called synthetic lifting straps or synthetic rigging slings, are thin, flexible, and protected by a jacket.
Sling Webbing features red core yarns to visibly indicate damage and serve as a reason for sling rejection because of this. Synthetic sling are flexible.
Therefore, it can be concluded that The red-core yarns in the synthetic sling are used to both reveal and detect strength loss in the red maize yarns. It also acts as the basis for sling rejection.
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Warning danger ahead sign
Answer: okiiiii
Explanation:
Assume that you have a wireless application you would like to design,build and sell as a commercial product.You have selected a target frequency in the UHF range.How would you decide what frequency to use and how would you get permission to use it ?
The frequency to use depends on the range and distance of signal transmission. There is government communication agency in charge of issuing license in order to get carrier frequency in which the application can work with.
UHF means Ultra - high frequencies which is mostly used in television broadcasting and mobile phone. Frequency range of the UHF is between 300MHz to 3GHz.
Assuming that you have a wireless application you would like to design, build and sell as a commercial product. And you have selected a target frequency in the UHF range.
Most wireless applications make use of radio wave and microwave depending on the range of distance in which the signal will travel.
The first thing to do is to determine the distance. Whether is short or long distance.Then get a license from the right government communication agency so that a carrier wave frequency will be allocated for you. Determine the side bands frequencies and Calculate the bandwidthBandwidth = 2[tex]F_{s}[/tex]
Where [tex]F_{s}[/tex] = sidebands frequency
Purchase all the necessary devices and gadgets like transmitter, oscillator, antenna e.t.cThe bullet points above highlighted how you can decide what frequency to use and how would you get permission to use it
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Technician A states that about 33% of the heat energy created is wasted by being dumped straight out
of the exhaust to the atmosphere. Technician B states that 33% is wasted by internal friction and from
radiating off hot engine components straight to the atmosphere. Who is correct?
Select one:
A. Technician A
B. Technician B
C. Both A and B
D. Neither Anor B
Heat energy is the known to be a product of the movement of tiny particles called atoms, molecules or ions. The true statement is by Technician A.
Internal combustion engine is dependent on the heat of combustion so as to make torque to move the vehicle and power the system.
A lot of heat made during combustion is not often used productively and therefore need to be removed to avoid overheating of the engine.
The heat energy that is not used for is wasted in three ways: They are:
About 33% is wasted by being dumped straight out of the exhaust to the atmosphere. About 33% is wasted by the cooling system, which prevents overheating of the engine components. About 5% is wasted by internal friction and from radiating off of hot engine components straight to the atmosphere.Learn more from
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Using what you know about the NAND gate, draw how you could implement a three-input NAND gate using NMOS and PMOS transistors. This circuit should output logic low (0V) only when all three inputs (A, B, and C) are logic high (5V)
Answer:
use this, it should help you understand
Explanation:
https://www.electronics-tutorials.ws/logic/logic_5.html
A nut driver is a variation of a socket wrench, true?
Answer:
TRUE
Explanation:
explain the sphere gap method of measuring dc ac and impulse voltages
Answer:
The voltage to be measured is applied between the two spheres and the distance or spacing S between them gives a measure of the sparkover voltage. ... In the case of a.c. peak value and d.c. voltage measurements, the applied voltage is uniformly increased until sparkover occurs in the gap.
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Engineer It A water heater is a tank in which cold water is heated. Cold water flows into the tank to keep it full. A heating element warms the water inside the tank. The heated water can then be sent to hot water faucets in a building. Assume that a water heater design requires the hottest water possible to be sent to hot water faucets in a building. Where would be the best place for the hot water outlet pipe to be attached to the tank: the top, the middle, or the bottom of the tank? Explain your answer.
Answer:
i think it would be the top, the hotter the water the more pressure and sense pressure builds at the top of water heater tanks you would want the outlet pipe at the top
Explanation:
I think it would be the top, the hotter the water the more pressure and sense pressure builds at the top of water heater tanks you would want the outlet pipe at the top.
What is Heater?The process of transforming electrical current into heat energy is known as electric heating. An electrical resistor serves as the heating element in an electric heater, and heat is generated there when an electric current flows through it.
This procedure is frequently utilized in a wide range of domestic applications. from using an electric burner to prepare food, a kettle to boil water, and of course, house heating.
With one significant exception—they don't rely on a boiler and a system of pipes to produce the heat—electric heaters and radiators function exactly like your central heating radiators that are plumbed in.
Therefore, I think it would be the top, the hotter the water the more pressure and sense pressure builds at the top of water heater tanks you would want the outlet pipe at the top.
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In the figure, particle 1 of mass m1 = 3.1 kg slides rightward along an x axis on a frictionless floor with a speed of 5.0 m/s. When it reaches x = 0, it undergoes a one-dimensional elastic collision with stationary particle 2 of mass m2 = 4.6 kg. When particle 2 then reaches a wall at xw = 79 cm, it bounces from the wall with no loss of speed. At what position on the x-axis does particle 2 then collide with particle 1?
Answer:
We use Eq 9−67 and 9−68 to find the velocities of the particles after their first collision (at x=0 and t=0 )
ν
1f
−
m
1
+m
2
m
1
+m
2
ν
1i
=
0.30kg+0.40kg
0.30kg−0.40kg
(2.0m/s)=−0.29m/s
ν
2f
=
m
1
+m
2
2m
1
ν
1i
=
0.30kg+0.40kg
2(0.30kg)
(2.0m/s)=1.7m/s .
At a rate of motion of 1.7m/s,2x
w
=140cm (the distance to the wall and back to x=0 ) will be traversed by particle 2 in 0.82s . At t=0.82s , particle 1 is located at
x=(−2/7)(0.82)=−23cm ,
and particle 2 is " gaining " at a rate of (10/7)m/s leftward ; this is their relative velocity at that time . Thus , this "gap" of 23cm between them will be closed after an additional time of (0.23m)/(10/7m/s)=0.16s has passed . At this time (t=0.82+0.16=0.98s) the two particles are at x=(−2/7)(0.98)=−28cm
Explanation:
Write an
algorithm and draw a flowchart to convert the length in feet to
centimeter
Answer:
blah blah blah sh ut up read learn
Differentiate between strain hardening exponent and strain rate sensitivity
Twisting force is known as: A. thrust.
B. horsepower.
C. torque.
D. energy
For the three-point bending test set up in this lab, what would be the shear force and moment distributions along the beam axis
Answer: So to calculate the flexural strength (σ), multiply the force by the length of the sample, and then multiply this by three. Then multiply the depth of the sample by itself (i.e., square it), multiply the result by the width of the sample and then multiply this by two
Explanation:
variable head permeability ?
Answer:
The variable head permeability test is one of various methods for determining soil permeability. It is used to determine the permeability of relatively new soil. Permeability refers to a soil's ability to enable water to pass through its pores or spaces.
Explanation:
The process of refining specification involves
O defining the initial design.
O presenting the finished product to a client.
deciding whether or not to continue with a project.
O adjusting outcomes and making pragmatic changes.
Answer:
I'm not sure but I'm pretty sure it the second one (btw I'm sorry if this didn't help) :/
10. "PPE is the control of last resort." What does this mean?
Answer:
protect the employee once the hazard into contact with them.
Read an integer from the user repeatedly, until the user enters a negative number. use for loop (C programming)
Answer:
go on then
Explanation:
Concrete is forced into all parts of its form through a process called?
Concrete is forced into all parts of its form through a process called hydration.
What is hydration of concrete?The concrete is known to be one that solidifies and also hardens via a chemical method known to be hydration.
This is when water reacts with the cement, and it is one that bonds the other components together and so Concrete is forced into all parts of its form through a process called hydration.
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binary classification algorithm
Answer:
What is this exactly?
Explanation:
If your asking for the definition, binary classification is the task of classifying the elements of a set into two groups on the basis of a classification rule.
The following problem refers to triangle ABC, find all missing parts. Round degrees to 1 decimal places and
sides to the nearest whole number.
A = 36.5°C = 67.5°, c = 224 inches
A=
В.
C
O
O
490 do
a =
inches
inches
inches
C-
Answer:
A =41 .....
......
......
....C=21
A live load on a house includes the
A.Weight of snow or rain
B.Furnishings
C.Pressure of the earth against the foundation
D.Built-in cabinets
Answer:
D
Explanation: