Process Control and Instrumentation In a shell and tube heat exchanger, the inlet temperature of heating/cooling fluid is the __________ variable. Controlled None of these Manipulated Load Controlled None of these Manipulated Load ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is a 'contact' pyrometer? Infra red pyrometer Radiation pyrometer Resistance pyrometer Optical pyrometer Infra red pyrometer Radiation pyrometer Resistance pyrometer Optical pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A non-linear chemical system is exemplified by a/an Mixer None of these Isothermal CSTR Non-isothermal CSTR Mixer None of these Isothermal CSTR Non-isothermal CSTR 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 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 12, 0.4, 0.08 12, 0.6, 0.12 8, 0.6, 0.08 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A control system has the following transfer function F(s) = (s - 1)(s + 1)/s(s - 2)(s + 4)The initial value of the corresponding time function is -1 1 43838 44020 -1 1 43838 44020 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following instruments is not used for measuring sub-zero (<0°) temperatures? Radiation pyrometer Platinum resistance thermometer Vapor pressure thermometer Mercury in glass thermometer Radiation pyrometer Platinum resistance thermometer Vapor pressure thermometer Mercury in glass thermometer ANSWER DOWNLOAD EXAMIANS APP