Measurement and Instrumentation Attraction and repulsion type instruments are the two different types of which instrument ? Induction type. Moving iron type. Multipliers. Dynamo-meter type. Induction type. Moving iron type. Multipliers. Dynamo-meter type. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A thermo couple ammeter gives full scale deflection of 10 A, when it reads one fifth of the scale, the current will be 4.47 A. 4 A. 2 A. 5.78 A. 4.47 A. 4 A. 2 A. 5.78 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following are needed both for protection and metering? Instrument transformer. Power factor meters. Energy meter. Wattmeters. Instrument transformer. Power factor meters. Energy meter. Wattmeters. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To the y input of a CRO a signal defined by 10sin100t is applied. To the x input the signal 10cos100t is fed. The gain for both x-channel and y-channel is the same. The screen shows sinisoidal. a circle. an ellipse. a straight line. sinisoidal. a circle. an ellipse. a straight line. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation It is found that 10A current passes through a resistor of 10°hms. The resistor has 5% tolerance . The error in measurement of current can be as high as 5%. What is max error in measurement of power, calculated from measured value of I and the nominal value of resistor? 50W 100W 150W 200W 50W 100W 150W 200W ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A resistor of 10kΩhms with 5% tolerance is connected in parallel with a 5kΩhms resistor of 10% tolerance. What is the tolerance limit for the parallel network? 5% 6.67% 10% 8.33% 5% 6.67% 10% 8.33% ANSWER DOWNLOAD EXAMIANS APP
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