Measurement and Instrumentation What is the expression for momentum? force × displacement mass × acceleration change of velocity / time mass × velocity force × displacement mass × acceleration change of velocity / time mass × velocity ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To the y input of a CRO a signal defined by 10sin100t is applied. To the x input the signal 10cos100t is fed. The gain for both x-channel and y-channel is the same. The screen shows sinisoidal. a circle. an ellipse. a straight line. sinisoidal. a circle. an ellipse. a straight line. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation _______ instruments are those which measure the total quantity of the electricity delivered in a particular time. Absolute Recording Integrating Indicating Absolute Recording Integrating Indicating ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A wattmeter reads 30.34 W. The absolute error in the measurement is - 2.22 W. What is the true value of power? None of these 28.12 W. 32.56 W . 25.45 W. None of these 28.12 W. 32.56 W . 25.45 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Gross errors Random errors Systematic errors Environmental errors Gross errors Random errors Systematic errors Environmental errors ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A megger is usually Moving coil type instrument Electro-static type instrument Hot-wire type instrument Moving iron type instrument Moving coil type instrument Electro-static type instrument Hot-wire type instrument Moving iron type instrument ANSWER DOWNLOAD EXAMIANS APP