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 Chromel-alumel Platinum-platinum + rhodium Iron-constantan Copper-constantan Chromel-alumel Platinum-platinum + rhodium Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The frequency at which maximum amplitude ratio is attained is called the __________ frequency. Corner Resonant Cross-over Natural Corner Resonant Cross-over Natural ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pyrometry refers to the measurement of temperature 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 Directly All of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following filled system expansion thermometers has the lowest positive temperature measurement capability? Mercury in glass thermometer Nitrogen in steel thermometer Fused metal (Na or K) in steel thermometer Alcohol in glass thermometer Mercury in glass thermometer Nitrogen in steel thermometer Fused metal (Na or K) in steel thermometer Alcohol in glass thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermistors are made of Iron-copper alloys Ultra pure metals Metal oxides Nickel-chromium alloys Iron-copper alloys Ultra pure metals Metal oxides Nickel-chromium alloys ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Psychrometer determines the Water of crystallisation Humidity of gases Hygroscopic nature of solids Moisture content of solids Water of crystallisation Humidity of gases Hygroscopic nature of solids Moisture content of solids ANSWER DOWNLOAD EXAMIANS APP
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