Process Control and Instrumentation Which of the following thermocouples is the most suitable for measuring a temperature of about 1600°C in an oxidizing atmosphere? Iron-constantan Platinum-platinum + rhodium Copper-constantan Chromel-alumel Iron-constantan Platinum-platinum + rhodium Copper-constantan Chromel-alumel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the one which is a first order instrument. Bare vapor pressure thermometer Bare metallic thermometer Mercury in glass thermometer (without any covering or air gap) All of these Bare vapor pressure thermometer Bare metallic thermometer Mercury in glass thermometer (without any covering or air gap) All of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermistors are used in __________ devices. Temperature measuring Both B & C Temperature compensating Voltage measuring Temperature measuring Both B & C Temperature compensating Voltage measuring ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The __________ of the fluid contained in the temperature sensing element (i.e., bulb) of filled system thermometers changes with change in temperature. Viscosity Pressure Volume All of these Viscosity Pressure Volume All of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following judges the accuracy of an instrument? Static error Dead zone None of these Drift Static error Dead zone None of these Drift ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Degree to which an instrument indicates the changes in measured variable without dynamic error is called its Fidielity Static characteristics Reproducibility Speed of response Fidielity Static characteristics Reproducibility Speed of response ANSWER DOWNLOAD EXAMIANS APP