Measurement and Instrumentation The smallest change in measured variable to which instrument will respond is resolution. accuracy. sensitivity. precision. resolution. accuracy. sensitivity. precision. 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 3% 1% 4% 2% 3% 1% 4% 2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ryall crest voltmeter is used for measurement of High DC voltage Low frequency voltage High AC voltage AC voltage of any form High DC voltage Low frequency voltage High AC voltage AC voltage of any form ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For handling greater currents induction watt-meters are used in conjunction with Potential transformers Either of the above Power transformers Current transformers Potential transformers Either of the above Power transformers Current transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A set of independent current measurements taken by four observers was recorded as : 117.02 mA, 117.11 mA, 117.08 mA and 117.03 mA. What is the range of error ? ± 0.045 ± 0.054 ± 0.065 ± 0.056 ± 0.045 ± 0.054 ± 0.065 ± 0.056 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A voltmeter has 100 scale divisions and can measure up to 100 V. Each division can be read to ½ division. The resolution of the voltmeter is 1 V 2 V 0.5 V 1.5 V 1 V 2 V 0.5 V 1.5 V ANSWER DOWNLOAD EXAMIANS APP