Measurement and Instrumentation What are the SI units of mass, length and time respectively? kg, m and s. g, m and s. kg, cm and s. g, cm and s. kg, m and s. g, m and s. kg, cm and s. g, cm and s. ANSWER DOWNLOAD EXAMIANS APP
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 In flux meter, the controlling torque is produced by weight attached to the moving coil. spring. crossed coil mechanism. not provided at all. weight attached to the moving coil. spring. crossed coil mechanism. not provided at all. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In figure Z1 = 200∠60° ohm. Z2 = 400∠-90° ohm, Z3 = 300∠0° ohm. Then Z4 for bridge to be balanced is 600∠-150° ohm. 150∠30° ohm. 300∠90° ohm. 400∠-90° ohm. 600∠-150° ohm. 150∠30° ohm. 300∠90° ohm. 400∠-90° ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Consider the following statement - 1. The compensating coil of a low power factor wattmeter compensates the effect of the impedance of the current coil. 2. The compensating coil of a low power factor wattmeter compensates the effect of the impedance of the voltage coil circuit. Both 1 and 2 are true. Both 1 and 2 are false. 1 is true but 2 is false. 1 is false but 2 is true. Both 1 and 2 are true. Both 1 and 2 are false. 1 is true but 2 is false. 1 is false but 2 is true. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a ballistic galvanometer, the deflecting torque is proportional to The current through coil Square-root of current through coil Square of current through coil Sine of measured The current through coil Square-root of current through coil Square of current through coil Sine of measured ANSWER DOWNLOAD EXAMIANS APP
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