Process Control and Instrumentation For increased speed of response of an expansion pressure spring thermometer, the thermometer bulb should have a High thermal conductivity Large area but small mass Small specific heat All of these High thermal conductivity Large area but small mass Small specific heat All of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The thermal emf-temperature relationship of most thermocouples is Linear Square root Parabolic Exponential Linear Square root Parabolic Exponential ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple while measuring a temperature of 400°C is 22 mV. The type of thermocouple used is Platinum-rhodium Iron-constantan Chromel-alumel Platinum-platinum+rhyodium Platinum-rhodium Iron-constantan Chromel-alumel Platinum-platinum+rhyodium 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 D⁴ D D² D³ D⁴ D D² D³ ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The offset introduced by proportional controller with gain Kc in response of first order system can be reduced by Introducing derivative control None of these Introducing integral control Reducing value of Kc Introducing derivative control None of these Introducing integral control Reducing value of Kc ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ temperature scale assigns 0° to the 'ice point' and 80° to the 'steam point' Celcius Rankine Reumur Farenhite Celcius Rankine Reumur Farenhite ANSWER DOWNLOAD EXAMIANS APP
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