Process Control and Instrumentation Questions

• Thermal conductivity measurement com-prises the working principle of a
• Which of the following is the dynamic characteristics of an instrument?
• The second order system with the transfer function has a damping ratio of
• Response of a system to a sinusoidal input is called __________ response.
• Continuous shell temperature measurement in a liquid-liquid heat exchanger is done by a
• Strain gage pressure transducers are used to measure __________ pressures.
• Transfer function of transportation lag is
• Flapper nozzle is used in a/an __________ controller.
• Which of the following temperature measuring instruments need not touch the object whose temperature is being measured?
• Select the correct statement from the following.
• Load cells are used for the measurement of
• The symbol for "capillary line" in instrumentation diagram is
• The __________ of a vapor pressure thermometer is a functioning element.
• For an input forcing function, X(t) = 2t2, the Laplace transform of this function is
• Temperature measuring instruments are standardised mostly with __________ points of pure substances.
• Pick out the one which is a first order instrument.
• In a shell and tube heat exchanger, the flow rate of heating/cooling fluid is the __________ variable.
• Typical specifications for design stipulates the gain margin and phase margin to be respectively
• __________ is undesirable in thermocouples used in industries,
• Pick out the first order system from among the following.