Process Control and Instrumentation The __________ of a vapor pressure thermometer is a secondary element. Bulb Bourdon tube Pointer None ofthese Bulb Bourdon tube Pointer None ofthese ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of mercury in glass thermometer is based on the __________ of mercury with increase in temperature. Differential linear expansion Increase of thermal conductivity Volumetric expansion Increase of pressure Differential linear expansion Increase of thermal conductivity Volumetric expansion Increase of pressure ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples is incapable of measuring sub-zero (i.e., < 0°C) temperature? Platinum-platinum + rhodium Chromel-alumel Copper-constantan Iron-constantan Platinum-platinum + rhodium Chromel-alumel Copper-constantan Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature measurement by optical pyrometer is done above __________ point, which is 1063°C. Antimony Nickel Silver Gold Antimony Nickel Silver Gold 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 integral control Introducing derivative control Reducing value of Kc None of these Introducing integral control Introducing derivative control Reducing value of Kc None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Reference points i.e., ice point and steam point in Reaumer temperature scale are respectively 32° & 460° 0° & 80° - 273° & 80° 32° & 80° 32° & 460° 0° & 80° - 273° & 80° 32° & 80° ANSWER DOWNLOAD EXAMIANS APP