Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Systematic errors Random errors Environmental errors Gross errors Systematic errors Random errors Environmental errors Gross errors ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A pressure measurement instrument is calibrated between 10 bar and 260 bar. The scale span of the instrument is 260 bar. 250 bar. 10 bar. 270 bar. 260 bar. 250 bar. 10 bar. 270 bar. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The error of an instrument is normally given as a percentage of Full-scale value Mean value Measured value Rms value Full-scale value Mean value Measured value Rms value 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. This is to have full deflection when 100V is measured. What is the value of series resistor to be used? 99.99 K ohms 99.99 ohms 100 K ohms 100 ohms 99.99 K ohms 99.99 ohms 100 K ohms 100 ohms ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If the instrument is to have a wide range, the instrument should have Logarithmic scale Linear scale Exponential scale Square-law scale Logarithmic scale Linear scale Exponential scale Square-law scale ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The circuit in figure is used to measure the power consumed by the load. The current coil and the voltage coil of the wattmeter have 0.02 Ω and 1000 Ω resistance respectively. The measured power compared to the load power will be 0.2% less. 0.2% more. 0.4 more. 0.4% less. 0.2% less. 0.2% more. 0.4 more. 0.4% less. ANSWER DOWNLOAD EXAMIANS APP
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