Measurement and Instrumentation A 150 V moving iron voltmeter of accuracy class 1-0 reads 75 V when used in a circuit under standard condition. The maximum possible percentage error in the reading is 1% 2% 2.5% 1.5% 1% 2% 2.5% 1.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The use of __________________ instruments is merely confined within laboratories as standardizing instrument. integrating. absolute. recording. indicating. integrating. absolute. recording. indicating. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA? 50 mA. 80 mA. 25 mA. 40 mA. 50 mA. 80 mA. 25 mA. 40 mA. 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 ? ± 0.065 ± 0.054 ± 0.056 ± 0.045 ± 0.065 ± 0.054 ± 0.056 ± 0.045 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the name of physical quantities which are independent of each other? Numerical quantity None of these Fundamental quantity Derived quantity Numerical quantity None of these Fundamental quantity Derived quantity ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a CRO which of following is not a part of electron gun? Accelerating anode X-Y plates Grid Cathode Accelerating anode X-Y plates Grid Cathode ANSWER DOWNLOAD EXAMIANS APP