Measurement and Instrumentation A mulliammeter can be used as Ohmmeter Wattmeter Frequency meter Voltmeter and ammeter Ohmmeter Wattmeter Frequency meter Voltmeter and ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following are needed both for protection and metering? Wattmeters. Power factor meters. Energy meter. Instrument transformer. Wattmeters. Power factor meters. Energy meter. Instrument transformer. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The difference between the indicated value and the true value of a quantity is Dynamic error Relative error Gross error Absolute error Dynamic error Relative error Gross error Absolute error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The inductance of a certain moving iron ammeter is expressed as L = 2+5θ-θ2 µH. The control spring torque is 2 × 10-6 Nm/radian. Find the deflection in radians for a current of 2A. 4 5 2 1 4 5 2 1 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For a circuit given that I = 2 ± 5 % A, R = 100 ± 0.2 % Ω the limiting error in the power dissipation I2 R in the resistor R is 1.2% 5.2% 25.2% 10.2% 1.2% 5.2% 25.2% 10.2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The meter constant of an energy meter is 1500 rev/kWh, the disc makes 3000 revolution in a given time. The energy consumed is 3 kWh 1 kWh 2 kWh 4 kWh 3 kWh 1 kWh 2 kWh 4 kWh ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS