Process Control and Instrumentation Questions

• Pick out the wrong statement.
• The closed loop pole of a stable second order system could be
• Working principle of radiation pyrometer is based on the
• A magnetic flowmeter is
• In a single tank system, the transfer function of level to inlet flow rate is
• Volumetric expansion is the working principle of the __________ thermometers.
• Nichol's chart deals with
• Compositional analysis of __________ is done using mass spectrometer.
• The maximum service temperature for fibre glass used as thermocouple wire insulation material is __________ °C.
• The operation of a rotameter is based on
• Humidity of air can be determined by a
• Concentration of sugar solution can be determined by the
• Nitrogen gas constant volume thermometer is suitable for measuring a temperature of __________ °C.
• 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.
• Specific gravity of a liquid can not be measured by a/an
• The frequency response of a first order system, has a phase shift with lower and upper bounds given by
• Which of the following can not measure a temperature of 1600°C?
• Degree to which an instrument indicates the changes in measured variable without dynamic error is called its
• The transfer function for a P-D controller is
• Flow rate of a river is measured by a/an