Process Control and Instrumentation Which of the following is a 'contact' pyrometer? Resistance pyrometer Optical pyrometer Infra red pyrometer Radiation pyrometer Resistance pyrometer Optical pyrometer Infra red pyrometer Radiation pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dilatometer is used to measure Contraction/expansion due to changes in temperature Deflection Stress Strain Contraction/expansion due to changes in temperature Deflection Stress Strain ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature measuring instruments are standardised mostly with __________ points of pure substances. Both A & B Here Boiling Melting Neither A nor B Here Both A & B Here Boiling Melting Neither A nor B Here ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples is capable of measuring a temperature of -50°C? Copper - constantan Iron-constantan Platinum - platinum + rhodium Chromel - alumel Copper - constantan Iron-constantan Platinum - platinum + rhodium Chromel - alumel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature of __________ can not be measured by an optical or radiation pyrometer. Hot blast (air) from stoves Combustion space in boilers Rotary limestone calcination kiln Molten slag flowing out of blast furnace Hot blast (air) from stoves Combustion space in boilers Rotary limestone calcination kiln Molten slag flowing out of blast furnace ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Mercury thermometer is commonly used for low temperature measruement. The freezing point and boiling point of mercury are respectively __________ °C. - 39 and 350 - 10 and 425 - 51 and 439 - 79 and 395 - 39 and 350 - 10 and 425 - 51 and 439 - 79 and 395 ANSWER DOWNLOAD EXAMIANS APP