Measurement and Instrumentation The errors mainly caused by human mistakes are instrumental error. systematic error. gross error. observational error. instrumental error. systematic error. gross error. observational error. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A bridge circuit is shown in the figure below. Which one of the sentence given below is most suitable for balancing the bridge? First adjust R2 and then adjust R3. First adjust R4 and then adjust R2. First adjust R4 and then adjust R1. First adjust R2 and then adjust R4. First adjust R2 and then adjust R3. First adjust R4 and then adjust R2. First adjust R4 and then adjust R1. First adjust R2 and then adjust R4. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A spring-controlled moving iron voltmeter draws a current of 1 mA for full scale value of 100V. If it draws a current of 0.5 mA, the meter reading is 100 V. 25 V. 200 V. 50 V. 100 V. 25 V. 200 V. 50 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A variable w is related to three other variables x, y and z as w = xy/z. The variables are measured with meters of accuracy ± 0.5% reading, ± 1% of full scale value and ± 1.5% reading. The actual readings of the three meters are 80, 20 and 50 with 100 being the full scale value for all three. The maximum uncertainty in the measurement of w will be ± 5% ± 7% ± 8% ± 6% ± 5% ± 7% ± 8% ± 6% ANSWER DOWNLOAD EXAMIANS APP
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% 1% 2% 5% 3.33% 1% 2% 5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is a vector quantity? Relative permeability. Magnetic potential. Flux density. Magnetic field intensity. Relative permeability. Magnetic potential. Flux density. Magnetic field intensity. ANSWER DOWNLOAD EXAMIANS APP