Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Environmental errors Systematic errors Gross errors Random errors Environmental errors Systematic errors Gross errors Random errors ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An average reading digital multimeter reads 10 V when fed a triangular wave, symmetric about the axis. For the same input, an rms reading meter will read 20√3. 10. 20. 10√3. 20√3. 10. 20. 10√3. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The terminals across the source are ______________________________ if a current source is to be neglected. replaced by a capacitor replaced by a source resistance open circuited short circuited replaced by a capacitor replaced by a source resistance open circuited short circuited ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A sampling wattmeter is used to measure the average power of a load. The peak to peak voltage of a square wave is 10 V and the current is triangular wave of 5 Amp P-P as shown in the figure. The period is 20 ms. The reading in W will be 50 W. 25 W. 100 W. 0 W. 50 W. 25 W. 100 W. 0 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The power factor of a single phase load can be calculated if the instruments available are One ammeter, one voltmeter and one energy meter One voltmeter and one ammeter Any of the listed here One voltmeter, one ammeter and one wattmeter One ammeter, one voltmeter and one energy meter One voltmeter and one ammeter Any of the listed here One voltmeter, one ammeter and one wattmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Commonly used standard capacitor is Spherical type Concentric cylindrical type Multiplate parallel plate type Electrostatic type Spherical type Concentric cylindrical type Multiplate parallel plate type Electrostatic type ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS