Measurement and Instrumentation Which instrument has identical calibration for ac as well as dc values? Moving iron type Moving coil type Hot wire type Induction type Moving iron type Moving coil type Hot wire type Induction type ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In induction type ammeter, _____ damping is provided. Fluid friction None of the listed here Eaddy current Air friction Fluid friction None of the listed here Eaddy current Air friction ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Consider the following statements : In a measuring instrument, 1. Linearity is more important than sensitivity. 2. High precision indicates high accuracy 3. Accuracy cannot be better than resolution. Of these statements 1, 2 and 3 are correct 1 and 3 are correct 2 and 3 are correct 1 and 2 are correct 1, 2 and 3 are correct 1 and 3 are correct 2 and 3 are correct 1 and 2 are correct ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. This is to have full deflection when 100V is measured. What is the value of series resistor to be used? 100 K ohms 99.99 ohms 99.99 K ohms 100 ohms 100 K ohms 99.99 ohms 99.99 K ohms 100 ohms ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 50 Hz bar primary CT has a secondary with 500 turns. The secondary supplies 5 A current into a purely resistive burden of 1Ω. The magnetizing ampere-turn is 200. The phase angle between the primary and secondary current is 94.6o. 4.6o. 175.4o. 85.4o. 94.6o. 4.6o. 175.4o. 85.4o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A transducer measures a range of 0 – 200 N force with a resolution of 0.15 percent of full scale. What is the smallest change which can be measured by this transducer ? 0.3 N 3.33 N 0.15 N 6.66 N 0.3 N 3.33 N 0.15 N 6.66 N ANSWER DOWNLOAD EXAMIANS APP
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