Measurement and Instrumentation Magnetic deflection is inversely proportional to (Voltage)1.5. Voltage. (Voltage)-0.5. (Voltage)2. (Voltage)1.5. Voltage. (Voltage)-0.5. (Voltage)2. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the name of physical quantities which are independent of each other? Derived quantity Numerical quantity None of these Fundamental quantity Derived quantity Numerical quantity None of these Fundamental quantity ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A metal strain gauge has a gauge factor of two. Its nominal resistance is 120 ohms. If it undergoes a strain of 10-5, the value of change of resistance in response to the strain is 0.0024 Ohm. 120 Ohm. 240 Ohm. 0.0012 Ohm. 0.0024 Ohm. 120 Ohm. 240 Ohm. 0.0012 Ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The meter constant of a single phase 240 V induction watthour meter is 400 revolutions per KWh. The speed of the meter disc for a current of 10 Amperes of 0.8 p.f lagging will be 16.02 rpm. 12.8 rpm. 18.2 rpm. 21.1 rpm. 16.02 rpm. 12.8 rpm. 18.2 rpm. 21.1 rpm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current ‘I’ through a resistance R is measures with the following uncertainties I = 4 A ± 0.5%, R = 100Ω±0.2%. If power is computed from these two measured quantities, the uncertainty in the power computed will be 0.5% 1% 1.2% 1.5% 0.5% 1% 1.2% 1.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which instrument has identical calibration for ac as well as dc values? Moving coil type Hot wire type Induction type Moving iron type Moving coil type Hot wire type Induction type Moving iron type ANSWER DOWNLOAD EXAMIANS APP