Measurement and Instrumentation An current of is measured with a thermocouple, 5 A full scale meter. What is the meter reading? 5 A. 2+3√2 A. 2 A. 3 A. 5 A. 2+3√2 A. 2 A. 3 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a gravity controlled instrument, the deflection angle is proportional Square of the measurand Sine of the measurand Sine inverse of measurand Measurand Square of the measurand Sine of the measurand Sine inverse of measurand Measurand ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which one of the following meters has maximum loading effect on the circuit under measurement ? 100 Ω/volt 10 MΩ/volt 1 MΩ/volt 1000 Ω/volt 100 Ω/volt 10 MΩ/volt 1 MΩ/volt 1000 Ω/volt ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In DC potentiometer measurments, a second reading is often taken after reversing the polarities of the DC supply and the unknown voltage and the average of the two reading is taken. This is with a view of eliminate the effects of Stray thermal emfs. Ripples of the DC supply. Stray magnetic fields. Errorneous standardisation. Stray thermal emfs. Ripples of the DC supply. Stray magnetic fields. Errorneous standardisation. 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 wattmeter connections will have to be reversed Both give the same readings One of the wattmeters will read zero Pressure coil of the wattmeter will become ineffective. One of the wattmeter connections will have to be reversed Both give the same readings One of the wattmeters will read zero 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
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