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 Which of the following is a desirable characteristic of an instrument? High fidelity High measuring lag High drift Poor reproducibility High fidelity High measuring lag High drift Poor reproducibility ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a feed-back control system G and H denote open loop and close loop transfer functions respectively. The output-input relationship is H/G G/H H(1 + G) G/(1 + H) H/G G/H H(1 + G) G/(1 + H) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change? Carbon-tetrachloride Water Methyl alcohal Mercury Carbon-tetrachloride Water Methyl alcohal Mercury ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal wells used in temperature measurements should have Low emissivity Polished surface Very thick walls High transmissivity of radiation Low emissivity Polished surface Very thick walls High transmissivity of radiation ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the Laplace transform of impulse input having magnitude 'X' ? 1 1/X X² X 1 1/X X² X ANSWER DOWNLOAD EXAMIANS APP