Measurement and Instrumentation In measurement system, the function of the signal manipulating elements is to change the quantity under measurement to an analogues signal. to perform non liner operation like clipping filtering, chopping and clamping. change the magnitude of the input signal while retaining its identity. to perform linear operation like addition and multiplication. change the quantity under measurement to an analogues signal. to perform non liner operation like clipping filtering, chopping and clamping. change the magnitude of the input signal while retaining its identity. to perform linear operation like addition and multiplication. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron ammeter produces a full scale torque of 240 μNm with a deflection of 120° at a current of 10 A. The rate of change of self induction (μH/radian) of the instrument at full scale is 4.8 μH/radian. 114.6 μH/radian. 12.0 μH/radian. 2.0 μH/radian. 4.8 μH/radian. 114.6 μH/radian. 12.0 μH/radian. 2.0 μH/radian. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A CRO can display Time invariant signals AC signals DC signals Both AC and DC signals Time invariant signals AC signals DC signals Both AC and DC signals ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which one of the following units is a fundamental unit? Watt Ampere Joule/sec Newton Watt Ampere Joule/sec Newton ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following are needed both for protection and metering? Energy meter. Instrument transformer. Wattmeters. Power factor meters. Energy meter. Instrument transformer. Wattmeters. Power factor meters. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When testing a coil having a resistance of 10 ohms, resonance occurred when the oscillator frequency was 10 MHz and rotating capacitor was set at 500/2π pF. The effective value of the Q of the coil is 31.4. 25.4. 20. 54.2. 31.4. 25.4. 20. 54.2. ANSWER DOWNLOAD EXAMIANS APP
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