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 0° 90° 180° 45° 0° 90° 180° 45° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the one which is a first order instrument. Bare vapor pressure thermometer Bare metallic thermometer All of these Mercury in glass thermometer (without any covering or air gap) Bare vapor pressure thermometer Bare metallic thermometer All of these Mercury in glass thermometer (without any covering or air gap) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Turbine flow meters are suitable for Cryogenic flow measurements Both B and C Very limited flow ranges Aerospace and in air borne applications Cryogenic flow measurements Both B and C Very limited flow ranges Aerospace and in air borne applications ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The unit step response of the transfer function 1/(s² + 2s + 3) Is unstable Is overdamped Has a damped oscillatory characteristics Has a non-zero slope at the origin Is unstable Is overdamped Has a damped oscillatory characteristics Has a non-zero slope at the origin ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Use of I-control along with P-control facilitates Reduction of stability time Reduction of offset None of these Elimination of offset Reduction of stability time Reduction of offset None of these Elimination of offset ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Load cells are used for the measurement of Velocity Weight Stress Strain Velocity Weight Stress Strain ANSWER DOWNLOAD EXAMIANS APP
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