Process Control and Instrumentation Phase margin is equal to 180° - phase lag Phase lag + 90° Phase lag + 180° Phase lag - 180° 180° - phase lag Phase lag + 90° Phase lag + 180° Phase lag - 180° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the one which is a first order instrument. 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 Bare vapor pressure thermometer Bare metallic thermometer ANSWER DOWNLOAD EXAMIANS APP
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? Copper-constantan Platinum-platinum + rhodium Iron-constantan Chromel-alumel Copper-constantan Platinum-platinum + rhodium Iron-constantan Chromel-alumel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pyrometry refers to the measurement of temperature Directly All of these Which is of higher magnitude With the mercurial thermometer upto 350°C Directly All of these Which is of higher magnitude With the mercurial thermometer upto 350°C ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation 0n-off control which is a special case of proportional control, has a band width of about __________ percent. 75 25 100 75 25 100 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal well made of __________ gives the fastest speed of response, while measuring temperature by thermocouples. Vycor (a glass) Steel Inconel Nichrome Vycor (a glass) Steel Inconel Nichrome ANSWER DOWNLOAD EXAMIANS APP