Measurement and Instrumentation How many fundamental units are there ? 6 8 7 4 6 8 7 4 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Two voltmeters have the same range 0-400V. The internal impedance are 30,000 Ohms and 20,000 Ohms. If they are connected in series and 600V be applied across them, the readings are 400V and 200V 360V and 240V 300V each One of the meters out of the range and other 100V 400V and 200V 360V and 240V 300V each One of the meters out of the range and other 100V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Some wire- wound resistors have bifilar winding. This type of winding is used to Double the power rating of the resistor Increase the thermal stability Reduce the tolerance Reduce the inductance of winding Double the power rating of the resistor Increase the thermal stability Reduce the tolerance Reduce the inductance of winding ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because resistance variation due to temperature. effect of contact and lead resistance is eliminated. there is no thermo electric emf. it has high sensitivity. resistance variation due to temperature. effect of contact and lead resistance is eliminated. there is no thermo electric emf. it has high sensitivity. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The adjustment of position of shading bands, in an energy meter is done to provide Creep compensation Friction compensation Breaking torque None of the listed here Creep compensation Friction compensation Breaking torque None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A rectifier type instrument is connected to 100VDC and is operated in the DC measuring module reads 50V 90V 100V 111V 50V 90V 100V 111V ANSWER DOWNLOAD EXAMIANS APP
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