Q. Configuration of Bourdon spring tube is never made of __________ shape.

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Q. Thermodynamic celcius scale of temperature measurement is

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Q. According to Bode stability criterian, a system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at frequency for which phase lag is

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Q. In a closed loop system, the process to be controlled is an integrating process with transfer function 1/2s. The controller proposed to be used in an integral controller with transfer function 1/T₁s. When a step change in set point is applied to such a closed loop system, the controlled variable will exhibit

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Q. Flow rate of those fluids which are insensitive to changes in their density, viscosity or flow velocity profile can be best measured by a

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Q. Identify an unbounded input from inputs whose transfer functions are given below

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Q. "A control system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at the crossover frequency." This is __________ criterion.

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Q. Feed forward controller accounts for the __________ changes.

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Q. Which thermocouple can be used to measure a temperature of around 1400°C ?

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Q. Radiation pyrometers as compared to thermocouples

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Q. Liquid flow rate in a small channel is best measured by a/an

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Q. Specific gravity of a liquid can not be measured by a/an

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Q. __________ temperature scale assigns 0° to the 'ice point' and 80° to the 'steam point'.

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Q. Dead zone is the

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Q. Thermocouple in a thermal well behaves as a true

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Q. Bode diagram is a plot of

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Q. Working principle of disappearing filament type optical pyrometer is based on the

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Q. 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.

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Q. Measurement of sub-zero Celcius temperature in industry is done most commonly by

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Q. Use of I-control along with P-control facilitates

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