Mechanical Engineering : Process Instrumentation And Control QUESTIONS AND ANSWERS :: part4 : 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.The change in length of humidity sensitive elements is measured by : |
| hydrometer |
| hygrometer |
| psychrometer |
| photometer |
| all of the above. |
17.The quantity or condition of the controlled system which is directly, measured or controlled : |
| set point |
| deviation |
| controlled variable |
| command signal |
| control agent. |
18.Industrial flow meters are based on : |
| rotational devices |
| flow through restrictions |
| flow around obstructions |
| all of above |
| none of above. |
19.Mass-spring seismic sensors measure directly the : |
| displacement |
| velocity |
| acceleration |
| shock |
| force. |
20.Chromatographic analyser is used to measure the : |
| 02 content in flue gases |
| C02 content in flue gases |
| CO content in flue gases |
| amount of individual gases in a mix�ture |
| amount of elements in an alloy. |
More Process Instrumentation And Control QUESTIONS AND ANSWERS available in next pages
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