Process Control and Instrumentation The operation of a rotameter is based on 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 Variable flow area ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Normal mercury thermometer can be used to measure a temperature of about 300°C. However, its maximum temperature measurement range can be increased upto about 500°C by Using steel tube in place of glass tube Accounting for the tube expansion Filling nitrogen under pressure in the stem Increasing the diameter of the tube Using steel tube in place of glass tube Accounting for the tube expansion Filling nitrogen under pressure in the stem Increasing the diameter of the tube ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The closed loop pole of a stable second order system could be One real positive and the other real negative Complex conjugate with positive real parts Both real and positive Both real and negative One real positive and the other real negative Complex conjugate with positive real parts Both real and positive Both real and negative 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. Exponential decrease No change Decrease Increase Exponential decrease No change Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Composition of alloys can be determined by None of these Refractrometer Polarograph Chromatograph None of these Refractrometer Polarograph Chromatograph ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a second order instrument? Bare mercury in glass thermometer Mercury in glass thermometer with covering Pressure gauge with one bellow, two tubes and a tank None of these Bare mercury in glass thermometer Mercury in glass thermometer with covering Pressure gauge with one bellow, two tubes and a tank None of these ANSWER DOWNLOAD EXAMIANS APP