Process Control and Instrumentation The response of two tanks of same size and resistance in series is Over damped Under damped None of these Critically damped Over damped Under damped None of these Critically damped ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which thermocouple can be used to measure a temperature of around 1400°C ? Aluminium-chromel Platinum-platinum+rhodium None of these Copper-constantan Aluminium-chromel Platinum-platinum+rhodium None of these Copper-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature measurement range of iron-constantan thermocouple is 0 to 870°C. It can be used to measure sub zero temperature, because at lower temperature Embrittlement of iron occurs Emf produced is very low of the order of microvolt Rusting of iron takes place Both B and C Here Embrittlement of iron occurs Emf produced is very low of the order of microvolt Rusting of iron takes place Both B and C Here 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? Invar Brass Nickel Chromel Invar Brass Nickel Chromel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ temperature scale assigns 0° to the 'ice point' and 80° to the 'steam point' Reumur Celcius Rankine Farenhite Reumur Celcius Rankine Farenhite ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The deflection in diaphragm (which is used as pressure sensor in pneumatic and electronic instruments) is dependent on the metal thickness, its diameter (d) and shape & number of corrugations. Its deflection is proportional to D³ D² D D⁴ D³ D² D D⁴ ANSWER DOWNLOAD EXAMIANS APP
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