Measurement and Instrumentation To measure 5 volts, if one selects a 0-100 volt range voltmeter which is accurate with in ± 1%, then the error in this measurement may be up to ± 7.5 % ± 1.5% ± 20% ± 2.5% ± 7.5 % ± 1.5% ± 20% ± 2.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measuring an AC voltage by an AC potentiometer it is desirable that the supply for the potentiometer is taken from Any of above. A battery. The same source as the unknown voltage. A source other than the source of unknown voltage. Any of above. A battery. The same source as the unknown voltage. A source other than the source of unknown voltage. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the expression for momentum? change of velocity / time mass × velocity mass × acceleration force × displacement change of velocity / time mass × velocity mass × acceleration force × displacement ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Gross errors Systematic errors Random errors Environmental errors Gross errors Systematic errors Random errors Environmental errors ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a gravity controlled instrument, the deflection angle is proportional Sine of the measurand Sine inverse of measurand Square of the measurand Measurand Sine of the measurand Sine inverse of measurand Square of the measurand Measurand ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken From a battery From a source which is not the same as the unknown voltage From the same source as the unknown voltage Any of the above From a battery From a source which is not the same as the unknown voltage From the same source as the unknown voltage Any of the above ANSWER DOWNLOAD EXAMIANS APP