Measurement and Instrumentation A 0 - 250V voltmeter has a guaranteed accuracy of 2% of full scale reading. What is the percentage of error if it measures 150V? 3.33% 5% 2% 1% 3.33% 5% 2% 1% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The three resistors R1, R2 and R3 have the following ratings: R1 = 25Ω ± 4%, R2 = 65 Ω ± 4%; R3 =45 Ω ± 4%. If the resistance are connected in series, then limiting error produced in equivalent resistance is 4% 1% 2% 3% 4% 1% 2% 3% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In which of the transformer is the secondary nearly short circuited under normal operating condition? Power transformer. PT. Distribution transformer. CT. Power transformer. PT. Distribution transformer. CT. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In measurement system, the function of the signal manipulating elements is to to perform non liner operation like clipping filtering, chopping and clamping. change the quantity under measurement to an analogues signal. to perform linear operation like addition and multiplication. change the magnitude of the input signal while retaining its identity. to perform non liner operation like clipping filtering, chopping and clamping. change the quantity under measurement to an analogues signal. to perform linear operation like addition and multiplication. change the magnitude of the input signal while retaining its identity. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The operating voltage of a megger is about 12 V 40 V 6 V 100 V 12 V 40 V 6 V 100 V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A metal strain gauge has a gauge factor of two. Its nominal resistance is 120 ohms. If it undergoes a strain of 10-5, the value of change of resistance in response to the strain is 0.0024 Ohm. 240 Ohm. 120 Ohm. 0.0012 Ohm. 0.0024 Ohm. 240 Ohm. 120 Ohm. 0.0012 Ohm. ANSWER DOWNLOAD EXAMIANS APP
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