Measurement and Instrumentation The effect of stray magnetic fields on the actuating torque of a portable instrument is maximum when the operating field of the instrument and stray fields are inclined at 30o. parallel. inclined at 60o. perpendicular. inclined at 30o. parallel. inclined at 60o. perpendicular. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ratio of readings of two wattmeter connected to measure power in a balanced 3-phase load is 5:3 and the load is inductive. The power factor at load is 0.6 lag. 0.917 lag. 0.6 lead. 0.917 lead. 0.6 lag. 0.917 lag. 0.6 lead. 0.917 lead. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Comparison methods are used because they are expensive. because they are most simple. when a high accuracy of measurement is required. because they take least time in measurement. because they are expensive. because they are most simple. when a high accuracy of measurement is required. because they take least time in measurement. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The scale of hot wire ammeter is Cramped. Non Linear. Absloute linear. Linear. Cramped. Non Linear. Absloute linear. Linear. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following cannot be measured by multimeters? Frequency Resistance Voltage Current Frequency Resistance Voltage Current ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The smallest change in measured variable to which instrument will respond is precision. resolution. accuracy. sensitivity. precision. resolution. accuracy. sensitivity. ANSWER DOWNLOAD EXAMIANS APP