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 250 Hz. 625 Hz. 500 Hz. 400 Hz. 250 Hz. 625 Hz. 500 Hz. 400 Hz. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When testing a coil having a resistance of 10 ohms, resonance occurred when the oscillator frequency was 10 MHz and rotating capacitor was set at 500/2π pF. The effective value of the Q of the coil is 25.4. 54.2. 20. 31.4. 25.4. 54.2. 20. 31.4. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The three resistors R1, R2 and R3 have the following ratings: R1 = 25Ω ± 4%, R2 = 65 Ω ± 4%; R3 =45 Ω ± 4%. If the resistance are connected in series, then limiting error produced in equivalent resistance is 3% 2% 1% 4% 3% 2% 1% 4% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current ‘I’ through a resistance R is measures with the following uncertainties I = 4 A ± 0.5%, R = 100Ω±0.2%. If power is computed from these two measured quantities, the uncertainty in the power computed will be 1.5% 1.2% 0.5% 1% 1.5% 1.2% 0.5% 1% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the two have same dimensions? Angular velocity and angular frequency Force and stress Force and strain None of these Angular velocity and angular frequency Force and stress Force and strain None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Direct method is used to measure Pressure Voltage Length Temperature Pressure Voltage Length Temperature ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS