Process Control and Instrumentation __________ is undesirable in thermocouples used in industries, Non-linear relation of emf to temperature Corrosion resistance Oxidation resistance Linear relation of emf to temperature Non-linear relation of emf to temperature Corrosion resistance Oxidation resistance Linear relation of emf to temperature ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation With increase in temperature, the electrical conductivity of the platinum used in the resistance thermometer Increases exponentially Increases Decreases Remains constant Increases exponentially Increases Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation When a bare thermocouple is covered by a protective sheath, the response becomes Faster and non-oscillatory Slower and non-oscillatory Slower and oscillatory Faster and oscillatory Faster and non-oscillatory Slower and non-oscillatory Slower and oscillatory Faster and oscillatory ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Nitrogen gas constant volume thermometer is suitable for measuring a temperature of __________ °C. > 50 > 100 0-100 < 0 > 50 > 100 0-100 < 0 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a first order process with resistance R and capacitance C is R + C RC R - C 1/RC R + C RC R - C 1/RC ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Presence of a small amount of water in the organic systems can be determined by the __________ method. Dielectric constant end loss factor Polarimetry Electrical conductivity Emission spectroscopy Dielectric constant end loss factor Polarimetry Electrical conductivity Emission spectroscopy ANSWER DOWNLOAD EXAMIANS APP
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