Process Control and Instrumentation The operation of a rotameter is based on Variable flow area Pressure at a stagnation point Pressure drop across a nozzle Rotation of a turbine Variable flow area Pressure at a stagnation point Pressure drop across a nozzle Rotation of a turbine ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Turbine flow meters are suitable for Cryogenic flow measurements Very limited flow ranges Both B and C Aerospace and in air borne applications Cryogenic flow measurements Very limited flow ranges Both B and C Aerospace and in air borne applications ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Sub-zero temperature (< 0°C) can be measured by a constant volume gas thermometer employing Helium None of these Nitrogen Hydrogen Helium None of these Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following instruments is not used for measuring sub-zero (<0°) temperatures? Radiation pyrometer Mercury in glass thermometer Vapor pressure thermometer Platinum resistance thermometer Radiation pyrometer Mercury in glass thermometer Vapor pressure thermometer Platinum resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermistors are made of Nickel-chromium alloys Iron-copper alloys Metal oxides Ultra pure metals Nickel-chromium alloys Iron-copper alloys Metal oxides Ultra pure metals ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A system with a double pole at the origin is unstable since the corresponding term in the time domain Grows linearly with time Grows exponentially with time Decays linearly with time Is a constant Grows linearly with time Grows exponentially with time Decays linearly with time Is a constant ANSWER DOWNLOAD EXAMIANS APP
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