Measurement and Instrumentation What are the SI units of mass, length and time respectively? kg, m and s. kg, cm and s. g, cm and s. g, m and s. kg, m and s. kg, cm and s. g, cm and s. g, m and s. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A voltmeter has 100 scale divisions and can measure up to 100 V. Each division can be read to ½ division. The resolution of the voltmeter is 0.5 V 2 V 1.5 V 1 V 0.5 V 2 V 1.5 V 1 V ANSWER DOWNLOAD EXAMIANS APP
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? 105.6o. 150o. 30o. 63.25o. 105.6o. 150o. 30o. 63.25o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A current of is measured with a thermocouple, 5 A full scale meter. What is the meter reading? 5 A. 2.03 A. 4.06 A. 6.09 A. 5 A. 2.03 A. 4.06 A. 6.09 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In DC potentiometer measurments, a second reading is often taken after reversing the polarities of the DC supply and the unknown voltage and the average of the two reading is taken. This is with a view of eliminate the effects of Errorneous standardisation. Ripples of the DC supply. Stray magnetic fields. Stray thermal emfs. Errorneous standardisation. Ripples of the DC supply. Stray magnetic fields. Stray thermal emfs. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Figure show an RC potentiometer to measure AC voltage. It is desire that Vo/Vi should be independent of frequency. The value of C shoud be 11 µF. 10 µF. 0.09 µF. 0.1 µF. 11 µF. 10 µF. 0.09 µF. 0.1 µF. ANSWER DOWNLOAD EXAMIANS APP
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