Mechanical Engineering Questions And Answers :: Process Instrumentation And Control: part1



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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