Process Control and Instrumentation A pyrheliometer is an instrument used for measuring the Bright sunshine period Beam radiation None of these Diffuse radiation Bright sunshine period Beam radiation None of these Diffuse radiation ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Find the ultimate gain and frequency for a proportional controller in the case of a process having the transfer function Gp(s) = 1/(4s + 1)(2s + 1)(s + 1). W = 1/√14, Kc = 45/7√14 W = 1, Kc = 13 W = √(7/6), Kc = 46/3 W = √(7/8), Kc = 45/4 W = 1/√14, Kc = 45/7√14 W = 1, Kc = 13 W = √(7/6), Kc = 46/3 W = √(7/8), Kc = 45/4 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Select the correct statement from the following. The phase lag of a pure time delay system decreases with increasing frequency The amplitude ratio of a pure time delay system increases with frequency The frequency response of a pure capacity process is unbounded The amplitude ratio of a pure capacity process is inversely proportional to frequency The phase lag of a pure time delay system decreases with increasing frequency The amplitude ratio of a pure time delay system increases with frequency The frequency response of a pure capacity process is unbounded The amplitude ratio of a pure capacity process is inversely proportional to frequency ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermometers is not suitable for distant reading upto 60 metres? Mercury in glass thermometer Vapor pressure thermometer Constant volume gas thermometer Resistance thermometer Mercury in glass thermometer Vapor pressure thermometer Constant volume gas thermometer Resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dome temperature of blast furnace stove is most accurately measured by a Radiation pyrometer Platinum resistance thermometer Iron-constantan thermocouple Platinum-platinum/rhodium ther-mocuple Radiation pyrometer Platinum resistance thermometer Iron-constantan thermocouple Platinum-platinum/rhodium ther-mocuple ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion? Chromel Brass Nickel Invar Chromel Brass Nickel Invar ANSWER DOWNLOAD EXAMIANS APP
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