Measurement and Instrumentation PMMC type instruments normally use Eddy current damping Air friction damping None of these Fluid friction damping Eddy current damping Air friction damping None of these Fluid friction damping ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A null type instrument as compared to a deflected type instrument has a higher accuracy. a faster response. a lower sensitivity. All of these a higher accuracy. a faster response. a lower sensitivity. All of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For power measurement of three phase circuit by two wattmeter method, when the value of power factor is less than 0.5 lagging One of the wattmeter connections will have to be reversed One of the wattmeters will read zero Pressure coil of the wattmeter will become ineffective. Both give the same readings One of the wattmeter connections will have to be reversed One of the wattmeters will read zero Pressure coil of the wattmeter will become ineffective. Both give the same readings ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Standardization of potentiometer is done in order that, they become accurate and direct reading. precise. accurate and precise. accurate. accurate and direct reading. precise. accurate and precise. accurate. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of a milli-ammeter must be very low for minimum effect on the current in the circuit. high precision. high sensitivity. high accuracy. minimum effect on the current in the circuit. high precision. high sensitivity. high accuracy. 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? 150o. 63.25o. 105.6o. 30o. 150o. 63.25o. 105.6o. 30o. ANSWER DOWNLOAD EXAMIANS APP