Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Systematic errors Environmental errors Random errors Gross errors Systematic errors Environmental errors Random errors Gross errors ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For power measurement of three phase circuit by two wattmeter method, when the value of power factor is less than 0.5 lagging One of the wattmeter connections will have to be reversed Pressure coil of the wattmeter will become ineffective. Both give the same readings One of the wattmeters will read zero One of the wattmeter connections will have to be reversed Pressure coil of the wattmeter will become ineffective. Both give the same readings One of the wattmeters will read zero ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure the flux, devices used are based on Photo-voltaic effect Piezo-electric effect Hall effect Voltaic effect Photo-voltaic effect Piezo-electric effect Hall effect Voltaic effect ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In figure Z1 = 200∠60° ohm. Z2 = 400∠-90° ohm, Z3 = 300∠0° ohm. Then Z4 for bridge to be balanced is 150∠30° ohm. 300∠90° ohm. 600∠-150° ohm. 400∠-90° ohm. 150∠30° ohm. 300∠90° ohm. 600∠-150° ohm. 400∠-90° ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ampere is one of the Derived units Units used to measure charge Base units Supplementary units Derived units Units used to measure charge Base units Supplementary units ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Unit of deflection sensitivity of a CRO is V / mm. meter / volt. mm per mV. mm / V. V / mm. meter / volt. mm per mV. mm / V. ANSWER DOWNLOAD EXAMIANS APP