Measurement and Instrumentation A metal strain gauge has a gauge factor of two. Its nominal resistance is 120 ohms. If it undergoes a strain of 10-5, the value of change of resistance in response to the strain is 0.0024 Ohm. 0.0012 Ohm. 120 Ohm. 240 Ohm. 0.0024 Ohm. 0.0012 Ohm. 120 Ohm. 240 Ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following is a variable displacement transducer? synchros tachometer potentiometer None of these synchros tachometer potentiometer None of these 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 1.5 V 2 V 0.5 V 1 V 1.5 V 2 V 0.5 V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Deflection method direct measurements are most widely used as these are most simple. most accurate. least time consuming. most simple and least time consuming. most simple. most accurate. least time consuming. most simple and least time consuming. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Purely mechanical instrument cannot be used for dynamic measurements because they have high inertia. large time constant. higher response time. All of these high inertia. large time constant. higher response time. All of these 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? 100W 150W 50W 200W 100W 150W 50W 200W ANSWER DOWNLOAD EXAMIANS APP