Measurement and Instrumentation Which one of the following units is a fundamental unit? Newton Watt Joule/sec Ampere Newton Watt Joule/sec Ampere ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors mainly caused by human mistakes are gross error. instrumental error. observational error. systematic error. gross error. instrumental error. observational error. systematic error. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In measurement system, the function of the signal manipulating elements is to to perform non liner operation like clipping filtering, chopping and clamping. change the magnitude of the input signal while retaining its identity. change the quantity under measurement to an analogues signal. to perform linear operation like addition and multiplication. to perform non liner operation like clipping filtering, chopping and clamping. change the magnitude of the input signal while retaining its identity. change the quantity under measurement to an analogues signal. to perform linear operation like addition and multiplication. 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 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 Active power in R phase ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When using ohmmeter, applied voltage is to be disconnected from the circuit because The ohmmeter has its own internal battery Current will decrease resistance Voltage source will increase resistance None of these The ohmmeter has its own internal battery Current will decrease resistance Voltage source will increase resistance None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the name of physical quantities which are independent of each other? Derived quantity Fundamental quantity None of these Numerical quantity Derived quantity Fundamental quantity None of these Numerical quantity ANSWER DOWNLOAD EXAMIANS APP