Measurement and Instrumentation What is the expression for momentum? mass × acceleration mass × velocity force × displacement change of velocity / time mass × acceleration mass × velocity force × displacement change of velocity / time ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A sampling wattmeter is used to measure the average power of a load. The peak to peak voltage of a square wave is 10 V and the current is triangular wave of 5 Amp P-P as shown in the figure. The period is 20 ms. The reading in W will be 100 W. 50 W. 0 W. 25 W. 100 W. 50 W. 0 W. 25 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A Lissajous pattern on an oscilloscope has 5 horinzontal tangencies and 2 vertical tangencies. The frequency of horizontal input is 100 Hz. The frequency of the vertical will be 400 Hz. 625 Hz. 500 Hz. 250 Hz. 400 Hz. 625 Hz. 500 Hz. 250 Hz. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The chemical effect of current is used in C. ammeter hour meter C. energy meter None of these C. ammeter C. ammeter hour meter C. energy meter None of these C. ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation How many fundamental units are there ? 8 7 6 4 8 7 6 4 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the two have same dimensions? None of these Force and strain Angular velocity and angular frequency Force and stress None of these Force and strain Angular velocity and angular frequency Force and stress ANSWER DOWNLOAD EXAMIANS APP
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