Measurement and Instrumentation The error of an instrument is normally given as a percentage of Mean value Rms value Full-scale value Measured value Mean value Rms value Full-scale value Measured value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pointer of an indicating instrument is generally made of _______ Aluminium Soft steel Copper Silver Aluminium Soft steel Copper Silver ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A set of independent current measurements taken by four observers was recorded as : 117.02 mA, 117.11 mA, 117.08 mA and 117.03 mA. What is the range of error ? ± 0.054 ± 0.045 ± 0.056 ± 0.065 ± 0.054 ± 0.045 ± 0.056 ± 0.065 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For the AC bridge circuit shown in figure at balance the value of Rd will be (Ra/Rc).Rb. (Rb/Rc).Ra. (Rc/Ra).Rb. (Rc/Rb).Ra. (Ra/Rc).Rb. (Rb/Rc).Ra. (Rc/Ra).Rb. (Rc/Rb).Ra. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When using ohmmeter, applied voltage is to be disconnected from the circuit because None of these Voltage source will increase resistance Current will decrease resistance The ohmmeter has its own internal battery None of these Voltage source will increase resistance Current will decrease resistance The ohmmeter has its own internal battery ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Two voltmeters have the same range 0-400V. The internal impedance are 30,000 Ohms and 20,000 Ohms. If they are connected in series and 600V be applied across them, the readings are 360V and 240V 400V and 200V One of the meters out of the range and other 100V 300V each 360V and 240V 400V and 200V One of the meters out of the range and other 100V 300V each ANSWER DOWNLOAD EXAMIANS APP