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 45° 180° 0° 90° 45° 180° 0° 90° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation An amplitude ratio of 0.1 corresponds to __________ decibels. -20 -10 20 10 -20 -10 20 10 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Response of a system to a sinusoidal input is called __________ response. Frequency Impluse None of these Unit step Frequency Impluse None of these Unit step ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following relates the absorption & evolution of heat at the junctions of a thermocouple to the current flow in the circuit? Seebeck effect Peltier effect Thomson effect Joule heating effect Seebeck effect Peltier effect Thomson effect Joule heating effect ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Normal mercury thermometer can be used to measure a temperature of about 300°C. However, its maximum temperature measurement range can be increased upto about 500°C by Accounting for the tube expansion Filling nitrogen under pressure in the stem Using steel tube in place of glass tube Increasing the diameter of the tube Accounting for the tube expansion Filling nitrogen under pressure in the stem Using steel tube in place of glass tube Increasing the diameter of the tube ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermistors are used in __________ devices. Both B & C Temperature compensating Voltage measuring Temperature measuring Both B & C Temperature compensating Voltage measuring Temperature measuring ANSWER DOWNLOAD EXAMIANS APP
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