Process Control and Instrumentation Which of the following is never used as an element of industrial resistance thermometer? Lead Copper Nickel 30% iron + 70% nickel Lead Copper Nickel 30% iron + 70% nickel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Vapour actuated pressure spring thermometer does not require ambient temperature compensation. Ambient temperature compensation is provided in gas or liquid expansion pressure spring thermometer by All of these Making the volume of thermometer bulb as large as conveniently possible Reducing the volume of the receiving element to a minimum Reducing the volume of the capillary to a minimum All of these Making the volume of thermometer bulb as large as conveniently possible Reducing the volume of the receiving element to a minimum Reducing the volume of the capillary to a minimum ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dead zone is the Same as transportation lag Maximum change in the variable that does not change the reading of the instrument None of these Same as time constant Same as transportation lag Maximum change in the variable that does not change the reading of the instrument None of these Same as time constant 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. 630.74 961.93 1261.93 1064.43 630.74 961.93 1261.93 1064.43 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Radiation pyrometers as compared to thermocouples Can't measure the temperature of moving objects Has a slower speed of response Is more affected by corrosive atmosphere Can measure higher temperature Can't measure the temperature of moving objects Has a slower speed of response Is more affected by corrosive atmosphere Can measure higher temperature ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature measuring instruments are standardised mostly with __________ points of pure substances. Neither A nor B Here Boiling Both A & B Here Melting Neither A nor B Here Boiling Both A & B Here Melting ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS