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IgorC [24]
3 years ago
10

Explain the working of McLeod gauge for measurement of very low pressure.

Engineering
1 answer:
AfilCa [17]3 years ago
4 0

Explanation:

McLeod gauge:

  It is used to measure very low pressure of gas.It measure gas pressure by the help of mercury(Hg).it measure absolute pressure of gas.

McLeod gauge on the principle of Boyle's law.Boyle's law state that ,at constant temperature the pressure of gas is directly proportional to its  volume.From Boyle's law

P_1V_1=P_2V_2

A sample of gas is taken from vacuum then its pressure is measured by help  Hg.

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See explaination

Explanation:

Code;

import java.util.Scanner;

public class NumberPattern {

public static int x, count;

public static void printNumPattern(int num1, int num2) {

if (num1 > 0 && x == 0) {

System.out.print(num1 + " ");

count++;

printNumPattern(num1 - num2, num2);

} else {

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if (count >= 0) {

System.out.print(num1 + " ");

count--;

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}

public static void main(String[] args) {

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}

See attachment for sample output

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3 years ago
Read 2 more answers
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