Process Control and Instrumentation The operation of a rotameter is based on Variable flow area Pressure drop across a nozzle Pressure at a stagnation point Rotation of a turbine Variable flow area Pressure drop across a nozzle Pressure at a stagnation point Rotation of a turbine 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. No change Decrease Exponential decrease Increase No change Decrease Exponential decrease Increase 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 Oil Mercury Air A metal powder or graphite Oil Mercury Air ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A manometer measures the __________ pressure. Absolute Gauge None of these Atmospheric Absolute Gauge None of these Atmospheric 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? Nickel Brass Chromel Invar Nickel Brass Chromel Invar ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A control system has the following transfer function F(s) = (s - 1)(s + 1)/s(s - 2)(s + 4)The initial value of the corresponding time function is 43838 -1 1 44020 43838 -1 1 44020 ANSWER DOWNLOAD EXAMIANS APP
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