Which of the following is an undesirable dynamic characteristic of an instrument ?
Which of the following is not the triple point of water ?
Pick out the one which is a first order instrument.
__________ is the static characteristics of an instrument,
Typical specifications for design stipulates the gain margin and phase margin to be respectively
Thermal conductivity measurement com-prises the working principle of a
The __________ of a vapor pressure thermometer is a secondary element.
Load cells are used for the measurement of
Which of the following is the dynamic characteristics of an instrument ?
Working principle of radiation pyrometer is based on the
Which of the following relates the emf. generated in a single homogeneous wire to the temperature difference ?
Response of a system to a sinusoidal input is called __________ response.
The closed loop pole of a stable second order system could be
Starting temperature of optical radiation pyrometer is __________ °C.
Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is
Which of the following relates the absorption & evolution of heat at the junctions of a thermocouple to the current flow in the circuit?
Thermistors are used in __________ devices.
Thermal wells used in temperature measurements should have
Process degree of freedom indicates __________ number of controllers to be used.
Gas analysis is commonly done using the
Dilute wine was used as a thermometric liquid initially to develop temperature scale. First emperical temperature scale developed was the __________ scale.
Smoke density of the flue gas going out of the chimney is measured by a
Liquid argon level in a pressurised storage tank (at 3 kg/cm2 ) is measured by a/an
Which of the systems having following transfer functions is stable?
In a shell and tube heat exchanger, the flow rate of heating/cooling fluid is the __________ variable.
Which of the following flow-metering instru-ments is an areameter ?
Characteristic equation is the denominator of __________ loop transfer function.
Operating range of a temperature measuring instrument isto 1600°C. It could be a/an __________ pyrometer.
Thermal conductivity measurement is used for the determination of
In a single tank system, the transfer function of level to inlet flow rate is
What is the dynamic error in a critically damped second order instrument for a ramp input (At) ?
Phase lag of the frequency response of a second order system to a sinusoidal forcing function
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