Measurement and Instrumentation A voltage of 2.70 V is being measured by an analog indicating instrument having a scale range of 0 – 5.0 V. If the instrument reads 2.65 V, then absolute error in measurement is 0.01V 0.05V 0.25V 0.01V 0.01V 0.05V 0.25V 0.01V 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 _______ is used to measure the flow of air around aeroplane. Orifice. Venturimeter. Anemometer. nucleus. Orifice. Venturimeter. Anemometer. nucleus. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Magnetic deflection is inversely proportional to (Voltage)2. Voltage. (Voltage)-0.5. (Voltage)1.5. (Voltage)2. Voltage. (Voltage)-0.5. (Voltage)1.5. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because it has high sensitivity. there is no thermo electric emf. effect of contact and lead resistance is eliminated. resistance variation due to temperature. it has high sensitivity. there is no thermo electric emf. effect of contact and lead resistance is eliminated. resistance variation due to temperature. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC A-h meter is rated for 15 A, 250 V. The meter constant is 14.4 A-sec/rev. The meter constant at rated voltage may be expressed as 960 rev/KWh. 3600 rev/KWh. 3750 rev/KWh. 1000 rev/KWh. 960 rev/KWh. 3600 rev/KWh. 3750 rev/KWh. 1000 rev/KWh. ANSWER DOWNLOAD EXAMIANS APP