Process Control and Instrumentation A mercury thermometer can not be used to measure the temperature below the freezing point of mercury, which is __________ °C. -38.9 -80.9 -11.9 -60.9 -38.9 -80.9 -11.9 -60.9 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Helium gas constant volume thermometer is suitable for the measurement of a temperature of __________ °C. > 800 < 100 > 0 < 0 > 800 < 100 > 0 < 0 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 1064.43 630.74 1261.93 961.93 1064.43 630.74 1261.93 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Find the ultimate gain and frequency for a proportional controller in the case of a process having the transfer function Gp(s) = 1/(4s + 1)(2s + 1)(s + 1). W = 1, Kc = 13 W = √(7/6), Kc = 46/3 W = √(7/8), Kc = 45/4 W = 1/√14, Kc = 45/7√14 W = 1, Kc = 13 W = √(7/6), Kc = 46/3 W = √(7/8), Kc = 45/4 W = 1/√14, Kc = 45/7√14 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following relates the emf. generated in a single homogeneous wire to the temperature difference? Seebeck effect Thomson effect None of these Peltier effect Seebeck effect Thomson effect None of these Peltier effect ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a closed loop system, the process to be controlled is an integrating process with transfer function l/2s. The controller proposed to be used in an integral controller with transfer function 1/T₁s. When a step change in set point is applied to such a closed loop system, the controlled variable will exhibit Overdamped response Unstable response Underdamped response Undamped response Overdamped response Unstable response Underdamped response Undamped response ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS