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 2 A. 5.78 A. 4.47 A. 4 A. 2 A. 5.78 A. 4.47 A. 4 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A PMMC voltmeter is connected across a series combination of a DC voltage source V1 = 2 V and an AC voltage source V2 = 3sin4t, the voltmeters reads (2 + √3/2)V. 2 V. 5 V. 0 V. (2 + √3/2)V. 2 V. 5 V. 0 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The circuit in figure is used to measure the power consumed by the load. The current coil and the voltage coil of the wattmeter have 0.02 Ω and 1000 Ω resistance respectively. The measured power compared to the load power will be 0.2% more. 0.2% less. 0.4% less. 0.4 more. 0.2% more. 0.2% less. 0.4% less. 0.4 more. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In eddy current damping, disc or former is made of a material that is a Conductor but non magnetic Non conductor and non magnetic Conductor but magnetic Non conductor but magnetic Conductor but non magnetic Non conductor and non magnetic Conductor but magnetic Non conductor but magnetic ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Null type recorders are LVDT recorders. bridge recorders. any one of the above. potentiometric recorders. LVDT recorders. bridge recorders. any one of the above. potentiometric recorders. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following are needed both for protection and metering? Power factor meters. Instrument transformer. Wattmeters. Energy meter. Power factor meters. Instrument transformer. Wattmeters. Energy meter. ANSWER DOWNLOAD EXAMIANS APP