Measurement and Instrumentation A thermo couple ammeter gives full scale deflection of 10 A, when it reads one fifth of the scale, the current will be 4 A. 2 A. 4.47 A. 5.78 A. 4 A. 2 A. 4.47 A. 5.78 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A meter has a full-scale deflection of 90o at a current of 1 A. The response of the meter is square law. Assuming spring control, the current for a deflection at 45o will be 0.70 A. 0.25 A. 0.67 A. 0.50 A. 0.70 A. 0.25 A. 0.67 A. 0.50 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Comparison methods are used when a high accuracy of measurement is required. because they take least time in measurement. because they are expensive. because they are most simple. when a high accuracy of measurement is required. because they take least time in measurement. because they are expensive. because they are most simple. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The measured value of a resistance is 10.25 ohm, whereas its value of 10.22 ohm. What is absolute error of the measurement? 0.01 ohm. 10.26 ohm. 15.36 ohm. 0.03 ohm. 0.01 ohm. 10.26 ohm. 15.36 ohm. 0.03 ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation It is found that 10A current passes through a resistor of 10°hms. The resistor has 5% tolerance . The error in measurement of current can be as high as 5%. What is max error in measurement of power, calculated from measured value of I and the nominal value of resistor? 200W 50W 100W 150W 200W 50W 100W 150W ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which one of the following meters has maximum loading effect on the circuit under measurement ? 1 MΩ/volt 1000 Ω/volt 100 Ω/volt 10 MΩ/volt 1 MΩ/volt 1000 Ω/volt 100 Ω/volt 10 MΩ/volt ANSWER DOWNLOAD EXAMIANS APP