Process Control and Instrumentation Normal mercury thermometer can be used to measure a temperature of about 300°C. However, its maximum temperature measurement range can be increased upto about 500°C by Increasing the diameter of the tube Filling nitrogen under pressure in the stem Using steel tube in place of glass tube Accounting for the tube expansion Increasing the diameter of the tube Filling nitrogen under pressure in the stem Using steel tube in place of glass tube Accounting for the tube expansion ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A constant volume gas thermometer employing __________ is used to measure sub-zero (i.e., < 0° C) temperature. Helium Nitrogen Hydrogen None of these Helium Nitrogen Hydrogen None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple while measuring a temperature of 800°C is about 31 mV. The type of thermocouple used is Platinum-platinum+rhodium Iron-constantan Chromel-alumel None of these Platinum-platinum+rhodium Iron-constantan Chromel-alumel None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Out of the following themocouple wire insulating material, the highest temperature rating is for Fibre glass Asbestos Teflon Ceramic fibre Fibre glass Asbestos Teflon Ceramic fibre ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Zirconia probe is used for the measurement of % CO₂ in flue gas Humidity of air % O₂ in flue gas Speed of a submarine % CO₂ in flue gas Humidity of air % O₂ in flue gas Speed of a submarine 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 1064.43 961.93 1261.93 630.74 1064.43 961.93 1261.93 ANSWER DOWNLOAD EXAMIANS APP