Process Control and Instrumentation Which of the following is never used as an element of industrial resistance thermometer? Nickel Copper 30% iron + 70% nickel Lead Nickel Copper 30% iron + 70% nickel Lead ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following controllers has maximum offset? P-I-D controller P-I controller P-D controller P-controller P-I-D controller P-I controller P-D controller P-controller ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature control of an exothermic chemical reaction taking place in a CSTR is done with the help of cooling water flowing in a jacket around the reactor. The types of valve and controller action to be recommended are Air to open valve with the controller indirect acting Air to close valve with the controller direct acting Air to open valve with the controller direct acting Air to close valve with the controller indirect acting Air to open valve with the controller indirect acting Air to close valve with the controller direct acting Air to open valve with the controller direct acting Air to close valve with the controller indirect acting ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of mercury in glass thermometer is Volumetric expansion Linear expansion None of these Pressure rise with temperature Volumetric expansion Linear expansion None of these Pressure rise with temperature ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Out of the following temperature measuring instruments, the measurement accuracy will be minimum for the Iron-constantan thermocouple Mercury in glass thermometer Optical pyrometer Alcohol filled thermometer Iron-constantan thermocouple Mercury in glass thermometer Optical pyrometer Alcohol filled thermometer 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) Oxygen and sulphur (B.P) Antimony and silver (F.P) Zinc (B.P) and mercury (F.P) Ice (F.P) and steam (B.P) Oxygen and sulphur (B.P) Antimony and silver (F.P) Zinc (B.P) and mercury (F.P) ANSWER DOWNLOAD EXAMIANS APP