Measurement and Instrumentation An current of is measured with a thermocouple, 5 A full scale meter. What is the meter reading? 2+3√2 A. 5 A. 2 A. 3 A. 2+3√2 A. 5 A. 2 A. 3 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For power measurement of three phase circuit by two wattmeter method, when the value of power factor is less than 0.5 lagging Pressure coil of the wattmeter will become ineffective. One of the wattmeters will read zero One of the wattmeter connections will have to be reversed Both give the same readings Pressure coil of the wattmeter will become ineffective. One of the wattmeters will read zero One of the wattmeter connections will have to be reversed Both give the same readings 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 K ohms 99.99 K ohms 100 ohms 99.99 ohms 100 K ohms 99.99 K ohms 100 ohms ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The meter constant of an energy meter is 1500 rev/kWh, the disc makes 3000 revolution in a given time. The energy consumed is 4 kWh 2 kWh 1 kWh 3 kWh 4 kWh 2 kWh 1 kWh 3 kWh ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The three resistors R1, R2 and R3 have the following ratings: R1 = 25Ω ± 4%, R2 = 65 Ω ± 4%; R3 =45 Ω ± 4%. If the resistance are connected in series, then limiting error produced in equivalent resistance is 3% 1% 4% 2% 3% 1% 4% 2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A galvanometer has Eddy current damping Air friction damping Spring coil damping Fluid friction damping Eddy current damping Air friction damping Spring coil damping Fluid friction damping ANSWER DOWNLOAD EXAMIANS APP
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