Process Control and Instrumentation With increase in temperature, the electrical conductivity of the platinum used in the resistance thermometer Remains constant Decreases Increases exponentially Increases Remains constant Decreases Increases exponentially Increases 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? Water Methyl alcohal Mercury Carbon-tetrachloride Water Methyl alcohal Mercury Carbon-tetrachloride ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the Laplace transform of sin t ? 1/(s² + 1) 1/(s² - 1) S/(s² + 1) S/(s² - 1) 1/(s² + 1) 1/(s² - 1) S/(s² + 1) S/(s² - 1) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A photo electric device in which the resistance of the metal is directly proportional to the light striking on it, is known as photo-conductive cell. Photoelectric transducers are used for the measurement of those parameters, which can be used to produce variation in Light intensity Voltage Flux density Current Light intensity Voltage Flux density Current ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following does not figure in the list of seven substances selected for international temperature scale? Ice (F.P) and steam (B.P) Antimony and silver (F.P) Oxygen and sulphur (B.P) Zinc (B.P) and mercury (F.P) Ice (F.P) and steam (B.P) Antimony and silver (F.P) Oxygen and sulphur (B.P) Zinc (B.P) and mercury (F.P) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid flow rate in an open channel can not be measured by a/an Orifice meter Rectangular weir V-notch Cipolletti weir Orifice meter Rectangular weir V-notch Cipolletti weir ANSWER DOWNLOAD EXAMIANS APP