Measurement and Instrumentation With a sweep time 10ms across the screen the approx. horizontal sawtooth frequency will be 100Hz 500Hz 50Hz 1kHz 100Hz 500Hz 50Hz 1kHz ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. If this meter is to have full deflection at 5A, what is the value of the shunt resistance to be used? 1 Ohm 49.99 Ohms 2 Ohms 1/49.99 ohms 1 Ohm 49.99 Ohms 2 Ohms 1/49.99 ohms 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 4% 3% 1% 2% 4% 3% 1% 2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The given figure shows wein bridge connection for frequency measurement. C and R are variables and gang together. For balanced condition the expression for frequency is f = 1/2πCR when R1 = R2. R1 = R2/2. R1 = 2R2. R1 = 3R2. R1 = R2. R1 = R2/2. R1 = 2R2. R1 = 3R2. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the quantity consists of unit as kg m/sec ? Speed Impulse Momentum Acceleration Speed Impulse Momentum Acceleration ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure 5 volts, if one selects a 0-100 volt range voltmeter which is accurate with in ± 1%, then the error in this measurement may be up to ± 2.5% ± 20% ± 7.5 % ± 1.5% ± 2.5% ± 20% ± 7.5 % ± 1.5% ANSWER DOWNLOAD EXAMIANS APP
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