Process Control and Instrumentation Thermal wells are used in the temperature measurement to Guard against corrosive and oxidising action on thermocouple materials Reduce measuring lag Increase the sensitivity Increase the fidelity Guard against corrosive and oxidising action on thermocouple materials Reduce measuring lag Increase the sensitivity Increase the fidelity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Strain gage uses an electrical conductor wire, which when elastically stretched increases in length and reduces in diameter. Both these dimensional changes result in __________ in the electrical resistance of the wire. Exponential decrease Increase Decrease No change Exponential decrease Increase Decrease No change 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 Temperature of __________ can not be measured by an optical or radiation pyrometer. Molten slag flowing out of blast furnace Hot blast (air) from stoves Rotary limestone calcination kiln Combustion space in boilers Molten slag flowing out of blast furnace Hot blast (air) from stoves Rotary limestone calcination kiln Combustion space in boilers ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of radiation pyrometer is based on the Wien's law Kirchoffs law Seebeck effect Stafan-Boltzman law Wien's law Kirchoffs law Seebeck effect Stafan-Boltzman law ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermodynamic celcius scale of temperature measurement is Having an interval of 100° between ice point to steam point Defined on the basis of melting point of ice and evaporation temperature of water vapor Having an interval of 100° between ice point to steam point Both A&B Here Having an interval of 100° between ice point to steam point Defined on the basis of melting point of ice and evaporation temperature of water vapor Having an interval of 100° between ice point to steam point Both A&B Here ANSWER DOWNLOAD EXAMIANS APP
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