Which of the following is not a variable area flow meter?
Which of the following is not a variable area flow meter?
Thermocouple in a thermal well behaves as a true
Thermocouple in a thermal well behaves as a true
Feed forward controller accounts for the __________ changes.
Feed forward controller accounts for the __________ changes.
Concentration of sugar solution can be determined by the
Concentration of sugar solution can be determined by the
Which of the following thermocouples is capable of measuring a temperature of -50°C?
Which of the following thermocouples is capable of measuring a temperature of -50°C?
Magnetic flowmeters are generally not used for the velocity/flow measurement of hydrocarbons due to their
Magnetic flowmeters are generally not used for the velocity/flow measurement of hydrocarbons due to their
Suppose that the gain, time constant and dead time of a process with the following transfer function:Gc(s) = 10 exp( - 0.1s)/(0.5s + 1) are known with a possible error of ± 20% of their values. The largest permissible gain Kc of a proportional controller needs to be calculated below taking the values of process gain, time constant and dead time as
Suppose that the gain, time constant and dead time of a process with the following transfer function:Gc(s) = 10 exp( - 0.1s)/(0.5s + 1) are known with a possible error of ± 20% of their values. The largest permissible gain Kc of a proportional controller needs to be calculated below taking the values of process gain, time constant and dead time as
Platinum resistance thermometer can be used upto antimony point which is __________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure.
Platinum resistance thermometer can be used upto antimony point which is __________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure.
Working principle of radiation pyrometer is based on the
Working principle of radiation pyrometer is based on the
The deflection of the free end of the bimetallic strips in a bimetallic thermometer with temperature is nearly
The deflection of the free end of the bimetallic strips in a bimetallic thermometer with temperature is nearly
Composition of natural gas is determined by the
Composition of natural gas is determined by the
A manometer measures the __________ pressure.
A manometer measures the __________ pressure.
Thermistors are made of
Thermistors are made of
Continuous measurement of moisture content of paper in paper industry is done by measuring the
Continuous measurement of moisture content of paper in paper industry is done by measuring the
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.
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.
The transfer function of a process is 1/(16s² + 8s + 4). If a step change is introduced into the system, then the response will be
The transfer function of a process is 1/(16s² + 8s + 4). If a step change is introduced into the system, then the response will be
Which of the following thermocouples has the least temperature measurement range?
Which of the following thermocouples has the least temperature measurement range?
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
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
Optical activity of a solution can be determined using a
Optical activity of a solution can be determined using a
Which of the following is never used as an element of industrial resistance thermometer?
Which of the following is never used as an element of industrial resistance thermometer?
Thermocouple is suitable for measuring
Thermocouple is suitable for measuring
An aneroid barometer measures the __________ pressure.
An aneroid barometer measures the __________ pressure.
Measurement of sub-zero Celcius temperature in industry is done most commonly by
Measurement of sub-zero Celcius temperature in industry is done most commonly by
Degree to which an instrument indicates the changes in measured variable without dynamic error is called its
Degree to which an instrument indicates the changes in measured variable without dynamic error is called its
For measuring the temperature of a red hot furnace, which is the most suitable instrument?
For measuring the temperature of a red hot furnace, which is the most suitable instrument?
Meleoid gauge measures the __________ pressure.
Meleoid gauge measures the __________ pressure.
A pyranometer is an instrument used for measuring the
A pyranometer is an instrument used for measuring the
Thermal conductivity cell is the primary element of a/an __________ analyser.
Thermal conductivity cell is the primary element of a/an __________ analyser.
A mercury barometer measures the __________ pressure.
A mercury barometer measures the __________ pressure.
Pyrometry refers to the measurement of temperature
Pyrometry refers to the measurement of temperature
What is the ratio of output amplitude to input amplitude for a sinusoidal forcing function in a first order system?
What is the ratio of output amplitude to input amplitude for a sinusoidal forcing function in a first order system?
On-off controllers are normally used for
On-off controllers are normally used for
A pyrheliometer is an instrument used for measuring the
A pyrheliometer is an instrument used for measuring the
Time constant is the
Time constant is the
For increased speed of response of an expansion pressure spring thermometer, the thermometer bulb should have a
For increased speed of response of an expansion pressure spring thermometer, the thermometer bulb should have a
The response of two tanks of same size and resistance in series is
The response of two tanks of same size and resistance in series is
Which thermocouple can be used to measure a temperature of around 1400°C ?
Which thermocouple can be used to measure a temperature of around 1400°C ?
Reset rate is the another term used for __________ time.
Reset rate is the another term used for __________ time.
Thermal wells are used in the temperature measurement to
Thermal wells are used in the temperature measurement to