Measurement and Instrumentation Which one of the following units is a fundamental unit? Watt Joule/sec Newton Ampere Watt Joule/sec Newton Ampere ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation PMMC type instruments normally use None of these Eddy current damping Air friction damping Fluid friction damping None of these Eddy current damping Air friction damping Fluid friction damping ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land? 0.65 0.84 1 0.73 0.65 0.84 1 0.73 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A thermometer having first order dynamics is subjected to a sudden temperature change of 30oc to 150oc. If it has he time constant of 5 sec, what temperature will be indicated by after 5 sec? 105.6o. 30o. 63.25o. 150o. 105.6o. 30o. 63.25o. 150o. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The terminals across the source are ______________________________ if a current source is to be neglected. replaced by a source resistance replaced by a capacitor short circuited open circuited replaced by a source resistance replaced by a capacitor short circuited open circuited ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resistances can be measured with the help of Ammeters Wattmeters Voltmeters Ohmmeters and resistance bridges Ammeters Wattmeters Voltmeters Ohmmeters and resistance bridges ANSWER DOWNLOAD EXAMIANS APP