Process Control and Instrumentation In second order underdamped system, Decay ratio = overshoot Decay ratio = (overshoot)² Overshoot increases for increasing damping co-efficient Large damping co-efficient means smaller damping Decay ratio = overshoot Decay ratio = (overshoot)² Overshoot increases for increasing damping co-efficient Large damping co-efficient means smaller damping ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation To increase the speed of response of a pressure spring liquid or gas expansion thermometer, the clearance space between the thermometer bulb and the thermal well should not be filled with A metal powder or graphite Mercury Air Oil A metal powder or graphite Mercury Air Oil ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ temperature scale assigns 0° to the 'ice point' and 80° to the 'steam point' Farenhite Rankine Reumur Celcius Farenhite Rankine Reumur Celcius ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Radiation thermometer can not measure the temperature Of an object without coming in contact with it Of moving objects at high temperature Of liquid oxygen Inside a pressure vessel Of an object without coming in contact with it Of moving objects at high temperature Of liquid oxygen Inside a pressure vessel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Strain gage uses an electrical conductor wire, which when elastically stretched increases in length and reduces in diameter. Both these dimensional changes result in __________ in the electrical resistance of the wire. Decrease No change Exponential decrease Increase Decrease No change Exponential decrease Increase 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? Invar Chromel Brass Nickel Invar Chromel Brass Nickel ANSWER DOWNLOAD EXAMIANS APP
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