Which of the following device is used to measure vacuum?
Correct answer: C. U-tube manometer
- A. Barometer
- B. Hygrometer
- C. U-tube manometer
- D. Venturi metre
Explanation
A U-tube manometer measures pressure relative to another pressure and can therefore measure vacuum or negative gauge pressure. A barometer measures atmospheric pressure, while a hygrometer measures humidity.
Last updated
Practise Measurement and Instrumentation
156 free Measurement and Instrumentation MCQs from Electrical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Electrical Engineering questions like this
Electrical Engineering is on 2 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
Related questions
1 angstrom is equal to______________?
A CRO is used to measure _________________?
A __________ device prevents the oscillation of the moving system and enables the latter to reach its final position quickly___________?
A direct current can be measured by________________?
A dynamometer wattmeter can be used for______________?