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 = R2/2. R1 = 3R2. R1 = R2. R1 = 2R2. R1 = R2/2. R1 = 3R2. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the quantity consists of unit as newton-second? Acceleration velocity Speed Impulse Acceleration velocity Speed Impulse ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 0 - 250V voltmeter has a guaranteed accuracy of 2% of full scale reading. What is the percentage of error if it measures 150V? 2% 3.33% 1% 5% 2% 3.33% 1% 5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation ______ movement is most expensive. None of the listed here D'Arsonval movement Moving iron Dynamometer None of the listed here D'Arsonval movement Moving iron Dynamometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which instrument has identical calibration for ac as well as dc values? Hot wire type Moving iron type Induction type Moving coil type Hot wire type Moving iron type Induction type Moving coil type ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A first order instrument is characterized by Static sensitivity and time constant Static sensitivity, damping coefficient and natural frequency of oscillations Time constant only Static sensitivity and damping coefficient Static sensitivity and time constant Static sensitivity, damping coefficient and natural frequency of oscillations Time constant only Static sensitivity and damping coefficient ANSWER DOWNLOAD EXAMIANS APP