Measurement and Instrumentation Resistances can be measured with the help of Ammeters Ohmmeters and resistance bridges Voltmeters Wattmeters Ammeters Ohmmeters and resistance bridges Voltmeters Wattmeters ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors mainly caused by human mistakes are systematic error. instrumental error. gross error. observational error. systematic error. instrumental error. gross error. observational error. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current coil of a wattmeter is connected to the CT of R-phase. The potential coil is connected across Y and B phases. The wattmeter measures Active power in R phase Power proportional to 3 phase power if the load is balanced Reactive power of R phase Active power of Y phase Active power in R phase Power proportional to 3 phase power if the load is balanced Reactive power of R phase Active power of Y phase ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Consider the following statements : In a measuring instrument, 1. Linearity is more important than sensitivity. 2. High precision indicates high accuracy 3. Accuracy cannot be better than resolution. Of these statements 2 and 3 are correct 1, 2 and 3 are correct 1 and 3 are correct 1 and 2 are correct 2 and 3 are correct 1, 2 and 3 are correct 1 and 3 are correct 1 and 2 are correct 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? 8.33% 10% 6.67% 5% 8.33% 10% 6.67% 5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The use of __________________ instruments is merely confined within laboratories as standardizing instrument. absolute. integrating. recording. indicating. absolute. integrating. recording. indicating. ANSWER DOWNLOAD EXAMIANS APP