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3 years ago

1 british gallon = .....litres.a:4.546b:3.785c.5.456d.7.385

Engineering

1 answer:

solmaris [256]3 years ago

8 0

Answer:

Explanation:

I live in britian

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Ben leads a team of a few engineers at a robotics firm. A couple of them would like to improve their skills by taking additional

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i dont know

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3 years ago

A cartridge electrical heater is shaped as a cylinder of length L=200 mm and outer diameter D=20 mm. Under normal operating cond

Setler79 [48]

Answer:

When water is surrounding T_s = 34.17 degree C

When air surrounding T_S = 1434.7 degree C

from above calculation we can conclude that air is less effective than water as heat transfer agent

Explanation:

Given data:

length = 300 mm

Outer diameter = 30 mm

Dissipated energy = 2 kw = 2000 w

Heat transfer coefficient IN WATER = 5000 W/m^2 K

Heat transfer coefficient in air = 50 W/m^2 K

we know that $q_{convection} = P$

From newton law of coding we have

$q_{convection} = hA(T_s - T_{\infity})$

$T_s$ is surface temp.

T - temperature at surrounding

$P = hA(T_s - T_{\infity})[tex]\frac{P}{\pi hDL} = (T_s - T_{\infity})$

solving for[/tex] T_s [/tex] w have

$T_s = T_{\infty} + \frac{P}{\pi hDL}$

$T_s = 20 + \frac{2000}{\pi 5000\times 0.03\times 0.3}$

$T_s = 34.17 degree C$

When air is surrounding we have

$T_s = T_{\infty} + \frac{P}{\pi hDL}$

$T_s = 20 + \frac{2000}{\pi 2000\times 0.03\times 0.3}$

$T_s = 1434.7 degree C$

from above calculation we can conclude that air is less effective than water as heat transfer agent

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4 years ago

You recall an algorithm from elementary school for factoring a number N: Divide out all factors of 2, then of 3, then of 4, then

Contact [7]

Answer:

let number = 0

while number < 1

begin

print "Enter a positive integer: "

read number

end

end_while

find and print number's factors:

let prime = TRUE

let currentFactor = 2

let lastFactor = the square root of number truncated

to an integer value

while currentFactor <= lastFactor

begin

if number is evenly divisible by currentFactor

begin

print currentFactor

let number = number / currentFactor

end

else

let currentFactor = currentFactor + 1

end_if

end

end_while

print a message if number is prime:

if prime == TRUE

print "Your number is prime"

end_if

Explanation:

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3 years ago

How many numbers multiple of 3 are in the range [2,2000]?

Alekssandra [29.7K]

I don’t even know lol i’m just tryna bring my points up sorry.

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3 years ago

1 british gallon = .....litres.a:4.546b:3.785c.5.456d.7.385​

1 british gallon = .....litres.a:4.546b:3.785c.5.456d.7.385