Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Random errors Systematic errors Environmental errors Gross errors Random errors Systematic errors Environmental errors Gross errors ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Most accurate measurement of unknown resistance will be by Wheatstone bridge Voltmeter and ammeter Ohmmeter Potentiometer Wheatstone bridge Voltmeter and ammeter Ohmmeter Potentiometer 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. If this meter is to have full deflection at 5A, what is the value of the shunt resistance to be used? 1 Ohm 2 Ohms 49.99 Ohms 1/49.99 ohms 1 Ohm 2 Ohms 49.99 Ohms 1/49.99 ohms 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 2 V 0.5 V 1.5 V 1 V 2 V 0.5 V 1.5 V 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 200W 50W 100W 150W 200W 50W ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the quantity consists of unit as Pascal ? Pressure Force Impulse Temperature Pressure Force Impulse Temperature ANSWER DOWNLOAD EXAMIANS APP