Measurement and Instrumentation How many fundamental units are there ? 7 4 8 6 7 4 8 6 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron ammeter produces a full scale torque of 240 μNm with a deflection of 120° at a current of 10 A. The rate of change of self induction (μH/radian) of the instrument at full scale is 2.0 μH/radian. 4.8 μH/radian. 12.0 μH/radian. 114.6 μH/radian. 2.0 μH/radian. 4.8 μH/radian. 12.0 μH/radian. 114.6 μH/radian. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the name of physical quantities which are independent of each other? Derived quantity Fundamental quantity Numerical quantity None of these Derived quantity Fundamental quantity Numerical quantity None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the standard unit for length ? Meter Inch Centimeter Kilometer Meter Inch Centimeter Kilometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A slide wire potentiometer has 10 wires of 1 m each. With the help of a standard voltage source of 1.018 V it is standardised by keeping the jockey at 101.8 cm. If the resistance of the potentiometer wires is 1000 ohm, then the value of the working current will be 0.5 mA. 1mA. 10 mA. 100 mA. 0.5 mA. 1mA. 10 mA. 100 mA. 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% 1% 4% 2% 3% 1% 4% 2% ANSWER DOWNLOAD EXAMIANS APP