Chemical Engineering

Pressure Units

Question 1
Marks : +2 | -2
Pass Ratio : 100%
What is the pressure of 380 torr in atm?
0.5
1
2
4
Explanation:
Pressure = 380/760 = 0.5 atm.
Question 2
Marks : +2 | -2
Pass Ratio : 100%
What is the pressure of 190 torr in atm?
0.25
0.5
0.8
1
Explanation:
Pressure = 190/760 = 0.25 atm.
Question 3
Marks : +2 | -2
Pass Ratio : 100%
What is the value of 760 Torr in Pascal?
1.01325 X 105
6.025 X 105
12.05 X 104
3.0125 X 105
Explanation:
760 Torr = 1 atm = 1.01325 X 105.
Question 4
Marks : +2 | -2
Pass Ratio : 100%
What is the pressure of 38 mm Hg in atm?
0.05
0.5
1
5
Explanation:
Pressure = 38/760 = 0.05 atm.
Question 5
Marks : +2 | -2
Pass Ratio : 100%
Which of the following is not a unit of pressure?
Bar
N/m2
Kg/m2
Torr
Explanation:
Pressure is force per unit area so Kg/m2 cannot be a unit of pressure.
Question 6
Marks : +2 | -2
Pass Ratio : 100%
How many Pascal does 1 bar have?
104
105
106
107
Explanation:
1 bar = 100 kPa = 105 Pa.
Question 7
Marks : +2 | -2
Pass Ratio : 100%
Which of the following equals 760 mm of Hg?
1 atm
1 Pa
1 bar
1 torr
Explanation:
760 mm of Hg = 101.325 kPa = 1 atm.
Question 8
Marks : +2 | -2
Pass Ratio : 100%
1 psi equals how many kilopascal?
5.249
6.894
7.489
8.846
Explanation:
1 psi = 6894 Pa = 6.894 kPa.
Question 9
Marks : +2 | -2
Pass Ratio : 100%
What is the pressure of 50 kPa in bars?
0.25
0.5
1
2
Explanation:
Pressure = 50/100 = 0.5 bar.
Question 10
Marks : +2 | -2
Pass Ratio : 100%
What is the pressure of 200 kPa in bars?
0.25
0.5
1
2
Explanation:
Pressure = 200/100 = 2 bar.