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. 240 Ohm. 0.0012 Ohm. 120 Ohm. 0.0024 Ohm. 240 Ohm. 0.0012 Ohm. 120 Ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Two voltmeters have the same range 0-400V. The internal impedance are 30,000 Ohms and 20,000 Ohms. If they are connected in series and 600V be applied across them, the readings are One of the meters out of the range and other 100V 300V each 360V and 240V 400V and 200V One of the meters out of the range and other 100V 300V each 360V and 240V 400V and 200V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wagner earthing device is used to eliminate errors due to Electrostatic coupling Electromagnetic coupling None of these Both A and B Electrostatic coupling Electromagnetic coupling None of these Both A and B ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Systematic errors are instrument errors. All of these observational errors. environmental errors. instrument errors. All of these observational errors. environmental errors. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The repeat accuracy of an instrument can be judged from its Linearity error Standard deviation of error Static error Dynamic error Linearity error Standard deviation of error Static error Dynamic error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A PMMC instrument can be used as flux meter By eliminating the control springs By making control springs of large moment of inertia By using a low resistance shunt By using a high series resistance By eliminating the control springs By making control springs of large moment of inertia By using a low resistance shunt By using a high series resistance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS