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 One of the meters out of the range and other 100V 300V each 360V and 240V 400V and 200V One of the meters out of the range and other 100V 300V each 360V and 240V 400V and 200V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 150 V moving iron voltmeter of accuracy class 1-0 reads 75 V when used in a circuit under standard condition. The maximum possible percentage error in the reading is 1.5% 2.5% 2% 1% 1.5% 2.5% 2% 1% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A wheatstone bridge cannot be used for precision measurements because errors are introduced into on account of All of above. Contact resistance. Resistance of connecting leads. Thermoelectric emfs. All of above. Contact resistance. Resistance of connecting leads. Thermoelectric emfs. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which devices used to measure the temperature of an object ? Odometer Poteintiometer Thermometers Galvanometer Odometer Poteintiometer Thermometers Galvanometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Purely mechanical instrument cannot be used for dynamic measurements because they have large time constant. All of these higher response time. high inertia. large time constant. All of these higher response time. high inertia. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? The error is high due to eddy current effect The error is high due to hysteresis effect The meter does not respond to DC signals The meter is calibrated for AC and it’s error for DC would be high The error is high due to eddy current effect The error is high due to hysteresis effect The meter does not respond to DC signals The meter is calibrated for AC and it’s error for DC would be high ANSWER DOWNLOAD EXAMIANS APP
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