Process Control and Instrumentation For measuring the temperature of a red hot furnace, which is the most suitable instrument? Platinum resistance thermometer Thermocouple Optical pyrometer Bimetallic thermometer Platinum resistance thermometer Thermocouple Optical pyrometer Bimetallic thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a speed measuring instrument? Stroboscope All of these Psychrometer Tachometer Stroboscope All of these Psychrometer Tachometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The deflection of the free end of the bimetallic strips in a bimetallic thermometer with temperature is nearly Linear Hyperbolic Non-linear Parabolic Linear Hyperbolic Non-linear Parabolic 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. 961.93 1261.93 1064.43 630.74 961.93 1261.93 1064.43 630.74 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is 5π/12 π/6 π/12 π/3 5π/12 π/6 π/12 π/3 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Use of I-control along with P-control facilitates Reduction of offset Reduction of stability time None of these Elimination of offset Reduction of offset Reduction of stability time None of these Elimination of offset ANSWER DOWNLOAD EXAMIANS APP