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This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Process Calculation knowledge and support exam preparation. Choose a topic below to get started.
1. |
In the previous questionAir is trapped in the space (labelled A) above the mercury level in the tube of a barometer, which measures 750 mm Hg. If the atmospheric pressure is 760 mm Hg, then the pressure of the trapped air is |
A. | above the mercury level in the tube of a barometer, which measures 750 mm Hg. If the atmospheric pressure is 760 mm Hg, then the pressure of the trapped air isa) 15 mm Hg |
B. | 760 mm Hg |
C. | Between 745 and 760 mm Hg |
D. | 745 mm Hg |
Answer» B. 760 mm Hg | |
2. |
In barometer, the given space labelled as A, above the mercury is |
A. | Vacuum |
B. | Filled with Air |
C. | Filled with water |
D. | Filled with Gas |
Answer» B. Filled with Air | |
3. |
Two statement are given as belowI: 35 psia = 71.24 in HgII: Barometer is used for the measurement of vacuum pressure |
A. | I is correct and II is incorrect |
B. | II is correct and I is incorrect |
C. | Both are correct |
D. | Both are incorrect |
Answer» B. II is correct and I is incorrect | |
4. |
For the given manometer |
A. | P1 + ρ1d2g = P2 + ρ2d2g |
B. | P1 + ρ1d1g = P2 + ρ2d2g |
C. | P1 + ρ1d1g = P2 + ρ2d2g + ρ3d3g |
D. | None of the mentioned |
Answer» D. None of the mentioned | |
5. |
IN_THE_PREVIOUS_QUESTION?$ |
A. | above the mercury level in the tube of a barometer, which measures 750 mm Hg. If the atmospheric pressure is 760 mm Hg, then the pressure of the trapped air is |
B. | 15 mm Hg |
C. | 760 mm Hg |
D. | Between 745 and 760 mm Hg |
Answer» B. 15 mm Hg | |
6. |
In the previous question$ |
A. | above the mercury level in the tube of a barometer, which measures 750 mm Hg. If the atmospheric pressure is 760 mm Hg, then the pressure of the trapped air is |
B. | 15 mm Hg |
C. | 760 mm Hg |
D. | Between 745 and 760 mm Hg |
Answer» B. 15 mm Hg | |
7. |
Two statement are given as below |
A. | |
B. | |
Answer» B. | |
8. |
A bucket is placed in vacuum that contains a 14 kg/m3 density fluid. The bucket is filled with a height of 5 m. What is the static pressure at the bottom of the bucket? |
A. | 484 Pa |
B. | 686 Pa |
C. | 888 Pa |
D. | 1000 Pa |
Answer» C. 888 Pa | |
9. |
A static column of height h is filled with a liquid of density D. What is the static pressure at the bottom if the column is placed in open. |
A. | P* + Dgh |
B. | Dgh |
C. | P* |
D. | None of the mentioned |
Answer» B. Dgh | |
10. |
1 atm pressure is equal to |
A. | 101.3 kPa |
B. | 760 mm of Hg |
C. | 14.69 psi |
D. | All of the mentioned |
Answer» E. | |
11. |
Pressure can`t be expressed as |
A. | N/m2 |
B. | Pa/m2 |
C. | atm |
D. | mm of Hg |
Answer» C. atm | |
12. |
Find out the correct statement |
A. | Pabsolute = Pgauge – Patmospheric |
B. | Pvacuum = Patmospheric + Pabsolute |
C. | Both and b are incorrect |
D. | Both and b are correct |
Answer» D. Both and b are correct | |
13. |
The normal force per unit area that a fluid exerts on a surface is called |
A. | Normal Force |
B. | Pressure |
C. | Gauge pressure |
D. | None of the mentioned |
Answer» C. Gauge pressure | |