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3 years ago

Limestone (calcium carbonate) particles

Engineering

1 answer:

Aleksandr-060686 [28]3 years ago

3 0

Answer:

606506 026216n ytj dtyjjtj t

Explanation:

tyjtyjtyjtyj ty

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A car engine operates with a thermal efficiency of 20%. Assume the air-conditioner has a coefficient of performance of β = 2 wor

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3 years ago

For the following circuit, V"#$=120∠30ºV.Redraw the circuit in your solution.a.(4) Calculate the total input impedance seen by t

olchik [2.2K]

Answer:

Check the explanation

Explanation:

Kindly check the attached images for the step by step explanation to the question

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3 years ago

List 5 characteristics of metal?

RSB [31]

Answer:

- Son buenos conductores de electricidad.

- Excelentes conductores de calor.

- Tienen una alta tenacidad.

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3 years ago

Technician A says that the connecting rod and main bearing caps should be marked before removing to ensure that they can be inst

Rama09 [41]

Answer:

Technician A

Explanation:

This is because when the dimacations are made, the surface area and length respectively can be maintained to reduce to idea of force which may lead to damage

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2 years ago

An alloy is evaluated for potential creep deformation in a short-term laboratory experiment. The creep rate is found to be 1% pe

LenaWriter [7]

Answer:

a) Q = 251.758 kJ/mol

b) creep rate is $= 1.751 \times 10^{-5} \% per hr$

Explanation:

we know Arrhenius expression is given as

$\dot \epsilon =Ce^{\frac{-Q}{RT}$

where

Q is activation energy

C is pre- exponential constant

At 700 degree C creep rate is $\dot \epsilon = 5.5\times 10^{-2}$ % per hr

At 800 degree C creep rate is $\dot \epsilon = 1$ % per hr

activation energy for creep is $\frac{\epsilon_{800}}{\epsilon_{700}}$ = $= \frac{C\times e^{\frac{-Q}{R(800+273)}}}{C\times e^{\frac{-Q}{R(700+273)}}}$