Mechanical Engineering : Process Instrumentation And Control QUESTIONS AND ANSWERS :: part1 : 11 to 15
Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
11.Errors due to assignable causes are called : |
| static errors |
| systematic errors |
| calibration errors |
| random errors |
| known errors. |
12.The sensitivity of reading of manometer can be increased by : |
| inclining the manometer rube |
| using low specific gravity fluid |
| application of optical magnification |
| use of level sensing device |
| all of the above. |
13.Which effect is useful in measuring rapidly varying forces : |
| piezoelectric |
| strain gauge |
| photovoltaic |
| pneumatic gauging |
| change of capacitance. |
14.Hysteresis error in Bourdon tube can be minimized by : |
| using proper tube material |
| using proper diameter and thickness of tube |
| avoiding temperature cycling |
| using it well within the designed pressure range |
| using separating diaphragm and avoid direct ingress of hot. fluid to tube |
15.In which device the input motion changes the inductive coupling between primary and secondary coils : |
| potentiometer |
| synchro |
| collimator |
| protractor |
| dial gauge. |
More Process Instrumentation And Control QUESTIONS AND ANSWERS available in next pages
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