Process Control and Instrumentation Response of a system to a sinusoidal input is called __________ response. Unit step Impluse None of these Frequency Unit step Impluse None of these Frequency ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal wells used in temperature measurements should have Polished surface Low emissivity High transmissivity of radiation Very thick walls Polished surface Low emissivity High transmissivity of radiation Very thick walls ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Cascade control means On-off control Feed forward control One feed-back loop More than one feed-back loop On-off control Feed forward control One feed-back loop More than one feed-back loop ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Degree to which an instrument indicates the changes in measured variable without dynamic error is called its Fidielity Reproducibility Speed of response Static characteristics Fidielity Reproducibility Speed of response Static characteristics ANSWER DOWNLOAD EXAMIANS APP
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 90° 45° 180° 0° 90° 45° 180° 0° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Resistance of a gas in a vessel is given by (where, P = pressure, V = volume of the vessel, n = no. of moles of the gas, R = gas constant) nRT/V V/nRT p/nRT nRT/P nRT/V V/nRT p/nRT nRT/P ANSWER DOWNLOAD EXAMIANS APP
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