Measurement and Instrumentation An ammeter of range 0-25 A has a guaranteed accuracy of 1% of full-scale reading. The current measured by the ammeter is 5 A. The limiting error in the reading is 6% 5% 3% 4% 6% 5% 3% 4% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Some wire- wound resistors have bifilar winding. This type of winding is used to Double the power rating of the resistor Reduce the tolerance Increase the thermal stability Reduce the inductance of winding Double the power rating of the resistor Reduce the tolerance Increase the thermal stability Reduce the inductance of winding ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The use of __________________ instruments is merely confined within laboratories as standardizing instrument. absolute. recording. integrating. indicating. absolute. recording. integrating. indicating. 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 120 Ohm. 240 Ohm. 0.0012 Ohm. 0.0024 Ohm. 120 Ohm. 240 Ohm. 0.0012 Ohm. 0.0024 Ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors mainly caused by human mistakes are systematic error. observational error. instrumental error. gross error. systematic error. observational error. instrumental error. gross error. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a moving coil instrument, the deflecting torque is proportional to Current Squareroot of the current Sine of the measurand Square of the current Current Squareroot of the current Sine of the measurand Square of the current ANSWER DOWNLOAD EXAMIANS APP