Measurement and Instrumentation The given figure shows wein bridge connection for frequency measurement. C and R are variables and gang together. For balanced condition the expression for frequency is f = 1/2πCR when R1 = R2. R1 = 2R2. R1 = 3R2. R1 = R2/2. R1 = R2. R1 = 2R2. R1 = 3R2. R1 = R2/2. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A spring-controlled moving iron voltmeter draws a current of 1 mA for full scale value of 100V. If it draws a current of 0.5 mA, the meter reading is 50 V. 100 V. 200 V. 25 V. 50 V. 100 V. 200 V. 25 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A bridge circuit is shown in the figure below. Which one of the sentence given below is most suitable for balancing the bridge? First adjust R2 and then adjust R4. First adjust R2 and then adjust R3. First adjust R4 and then adjust R1. First adjust R4 and then adjust R2. First adjust R2 and then adjust R4. First adjust R2 and then adjust R3. First adjust R4 and then adjust R1. First adjust R4 and then adjust R2. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation ______ instruments are most sensitive. Hot wire Permanent magnet moving coil Moving iron Dynamometer Hot wire Permanent magnet moving coil Moving iron Dynamometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In measurement system, the function of the signal manipulating elements is to change the magnitude of the input signal while retaining its identity. to perform non liner operation like clipping filtering, chopping and clamping. change the quantity under measurement to an analogues signal. to perform linear operation like addition and multiplication. change the magnitude of the input signal while retaining its identity. to perform non liner operation like clipping filtering, chopping and clamping. change the quantity under measurement to an analogues signal. to perform linear operation like addition and multiplication. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors mainly caused by human mistakes are systematic error. observational error. gross error. instrumental error. systematic error. observational error. gross error. instrumental error. ANSWER DOWNLOAD EXAMIANS APP
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