Measurement and Instrumentation
A thermometer having first order dynamics is subjected to a sudden temperature change of 30oc to 150oc. If it has he time constant of 5 sec, what temperature will be indicated by after 5 sec?

 63.25o.
 105.6o.
 150o.
 30o.

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Measurement and Instrumentation
Assertion (A) : It is always desirable to take the reading of an indicating instrument very close to the full scale reading. Reason (R) : Accuracy of an indicating instrument is maximum at the full scale deflection and error increases as reading comes closer to the beginning of the scale.

 A is true but R is false
 Both A and R are true and R is the correct explanation of A
 Both A and R are true but R is NOT the correct explanation of A
 A is false bur R is true

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