Measurement and Instrumentation A PMMC voltmeter is connected across a series combination of a DC voltage source V1 = 2 V and an AC voltage source V2 = 3sin4t, the voltmeters reads (2 + √3/2)V. 2 V. 0 V. 5 V. (2 + √3/2)V. 2 V. 0 V. 5 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following are needed both for protection and metering? Energy meter. Wattmeters. Power factor meters. Instrument transformer. Energy meter. Wattmeters. Power factor meters. Instrument transformer. 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 linear operation like addition and multiplication. to perform non liner operation like clipping filtering, chopping and clamping. change the quantity under measurement to an analogues signal. change the magnitude of the input signal while retaining its identity. to perform linear operation like addition and multiplication. to perform non liner operation like clipping filtering, chopping and clamping. change the quantity under measurement to an analogues signal. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In flux meter, the controlling torque is produced by not provided at all. crossed coil mechanism. weight attached to the moving coil. spring. not provided at all. crossed coil mechanism. weight attached to the moving coil. spring. 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 ohms 100 ohms 100 K ohms 99.99 K ohms 99.99 ohms 100 ohms 100 K ohms 99.99 K ohms ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The scale of hot wire ammeter is Linear. Absloute linear. Non Linear. Cramped. Linear. Absloute linear. Non Linear. Cramped. ANSWER DOWNLOAD EXAMIANS APP
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