Process Control and Instrumentation For increased speed of response of an expansion pressure spring thermometer, the thermometer bulb should have a All of these Small specific heat High thermal conductivity Large area but small mass All of these Small specific heat High thermal conductivity Large area but small mass ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The inverse Laplace transform of the function f(s) = 1/S(1 + S) is 1 - e-t 1 - et 1 + et 1 + e-t 1 - e-t 1 - et 1 + et 1 + e-t ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Suppose that the gain, time constant and dead time of a process with the following transfer function:Gc(s) = 10 exp( - 0.1s)/(0.5s + 1) are known with a possible error of ± 20% of their values. The largest permissible gain Kc of a proportional controller needs to be calculated below taking the values of process gain, time constant and dead time as 12, 0.4, 0.08 12, 0.6, 0.12 8, 0.6, 0.08 8, 0.6, 0.12 12, 0.4, 0.08 12, 0.6, 0.12 8, 0.6, 0.08 8, 0.6, 0.12 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the Laplace transform of impulse input having magnitude 'X' ? X² X 1/X 1 X² X 1/X 1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not suitable for measuring the temperature of a red hot object in the range of 800 - 1600°C? Radiation pyrometer Thermocouples Optical pyrometer Photoelectric pyrometer Radiation pyrometer Thermocouples Optical pyrometer Photoelectric pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The frequency at which maximum amplitude ratio is attained is called the __________ frequency. Corner Resonant Natural Cross-over Corner Resonant Natural Cross-over ANSWER DOWNLOAD EXAMIANS APP