Process Control and Instrumentation Bourdon tube is never made of Stainless steel Monel metal Phosphor bronze Cast iron Stainless steel Monel metal Phosphor bronze Cast iron ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following temperature measuring instruments need not touch the object whose temperature is being measured? Filled system thermometer Radiation/infrared pyrometer Thermo electric pyrometer Mercury in glass thermometer Filled system thermometer Radiation/infrared pyrometer Thermo electric pyrometer Mercury in glass thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Humidity of air can be determined by a Mass spectrometer Polarimeter Chromatograph Sling psychrometer Mass spectrometer Polarimeter Chromatograph Sling psychrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation E.m.f. generated by thermocouples is of the order of Kilo volts Volts Microvolts Millivolts Kilo volts Volts Microvolts Millivolts ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples is capable of measuring a temperature of -50°C? Platinum - platinum + rhodium Chromel - alumel Iron-constantan Copper - constantan Platinum - platinum + rhodium Chromel - alumel Iron-constantan Copper - constantan 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 8, 0.6, 0.08 12, 0.6, 0.12 12, 0.4, 0.08 8, 0.6, 0.12 8, 0.6, 0.08 12, 0.6, 0.12 12, 0.4, 0.08 ANSWER DOWNLOAD EXAMIANS APP