Process Control and Instrumentation Which of the following is never used as an element of industrial resistance thermometer? Lead Nickel Copper 30% iron + 70% nickel Lead Nickel Copper 30% iron + 70% nickel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following instruments is not used for measuring sub-zero (<0°) temperatures? Radiation pyrometer Mercury in glass thermometer Vapor pressure thermometer Platinum resistance thermometer Radiation pyrometer Mercury in glass thermometer Vapor pressure thermometer Platinum resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A bolometer is Both A & B Here An element which senses optical input and delivers thermal output Neither A nor B Here Used for the measurement of thermal radiation Both A & B Here An element which senses optical input and delivers thermal output Neither A nor B Here Used for the measurement of thermal radiation ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Characteristic equation is the denominator of __________ loop transfer function. Both A & B Here Neither A Nor B Here Open Closed Both A & B Here Neither A Nor B Here Open Closed ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Platinum resistance thermometer can be used upto antimony point which is __________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure. 1261.93 630.74 1064.43 961.93 1261.93 630.74 1064.43 961.93 ANSWER DOWNLOAD EXAMIANS APP
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
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