Mechanical Engineering : Process Instrumentation And Control QUESTIONS AND ANSWERS :: part3 : 16 to 20
Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
16.In some measurements, in order to increase the sensitivity, two measuring and two reference cells are often used. This arrange ment is usually referred to as : |
| wheatstone bridge |
| katharometer |
| attenuator |
| amplifier |
| Kelvin bridge. |
17.In which flow device the pressure loss is minimum : |
| orifice plate |
| nozzle |
| variable orifice meter |
| venturi tube |
| Dall tube. |
18.Laser droppler anemometer is used to measure : |
| pressure |
| velocity |
| level |
| density |
| temperature. |
19.The material used for resistance temperature sensor is : |
| copper |
| nickel |
| platinum |
| any one of above |
| none of above. |
20.15� taper venturi tube causes loss of following % of the differential pressure : |
| 5% |
| 10% |
| 20% |
| 30% |
| 40%. |
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