Process Control and Instrumentation The operation of a rotameter is based on Pressure at a stagnation point Variable flow area Rotation of a turbine Pressure drop across a nozzle Pressure at a stagnation point Variable flow area Rotation of a turbine Pressure drop across a nozzle ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following can measure temperatures in the range of - 20 to 300°C ? Vapor pressure thermometer None of these Mercury in glass thermometer Resistance thermometer Vapor pressure thermometer None of these Mercury in glass thermometer Resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Mercury thermometer is commonly used for low temperature measruement. The freezing point and boiling point of mercury are respectively __________ °C. - 39 and 350 - 10 and 425 - 51 and 439 - 79 and 395 - 39 and 350 - 10 and 425 - 51 and 439 - 79 and 395 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Vapour actuated pressure spring thermometer does not require ambient temperature compensation. Ambient temperature compensation is provided in gas or liquid expansion pressure spring thermometer by All of these Making the volume of thermometer bulb as large as conveniently possible Reducing the volume of the capillary to a minimum Reducing the volume of the receiving element to a minimum All of these Making the volume of thermometer bulb as large as conveniently possible Reducing the volume of the capillary to a minimum Reducing the volume of the receiving element to a minimum ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Hot wire anemometer is used for the measurement of Flow rates of fluids Very high temperature Thermal conductivity of gases Flow rates of granular solids Flow rates of fluids Very high temperature Thermal conductivity of gases Flow rates of granular solids ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In second order underdamped system, Decay ratio = overshoot Large damping co-efficient means smaller damping Overshoot increases for increasing damping co-efficient Decay ratio = (overshoot)² Decay ratio = overshoot Large damping co-efficient means smaller damping Overshoot increases for increasing damping co-efficient Decay ratio = (overshoot)² ANSWER DOWNLOAD EXAMIANS APP
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