Process Control and Instrumentation According to Bode stability criterian, a system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at frequency for which phase lag is 180° 90° 0° 45° 180° 90° 0° 45° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid discharge from a tank or reservoir can not be measured by Notches Orificemeters Weirs Mouthpieces Notches Orificemeters Weirs Mouthpieces ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ are analysed using a polarograph. Solids Liquids Gases Isotonic solutions Solids Liquids Gases Isotonic solutions ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the first order system from among the following. Non-interacting system of two tanks in series Mercury in glass thermometer kept in boiling water Interacting system of two tanks in series Damped vibrator Non-interacting system of two tanks in series Mercury in glass thermometer kept in boiling water Interacting system of two tanks in series Damped vibrator ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dilatometer is used to measure Stress Deflection Contraction/expansion due to changes in temperature Strain Stress Deflection Contraction/expansion due to changes in temperature Strain ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion? Nickel Brass Chromel Invar Nickel Brass Chromel Invar ANSWER DOWNLOAD EXAMIANS APP
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