Process Control and Instrumentation The thermal emf-temperature relationship of most thermocouples is Square root Exponential Linear Parabolic Square root Exponential Linear Parabolic ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Nichol's chart deals with Closed loop values vs. open loop values R. vs. phase lag of first order R. vs. phase lag of second order Frequency response values of controllers Closed loop values vs. open loop values R. vs. phase lag of first order R. vs. phase lag of second order Frequency response values of controllers ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature measurement range of iron-constantan thermocouple is 0 to 870°C. It can be used to measure sub zero temperature, because at lower temperature Rusting of iron takes place Embrittlement of iron occurs Emf produced is very low of the order of microvolt Both B and C Here Rusting of iron takes place Embrittlement of iron occurs Emf produced is very low of the order of microvolt Both B and C Here ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is an undesirable dynamic characteristic of an instrument? Time lag Static error Reproducibility Dead zone Time lag Static error Reproducibility Dead zone 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 43838 44020 1 -1 43838 44020 1 -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? Thermocouples Photoelectric pyrometer Radiation pyrometer Optical pyrometer Thermocouples Photoelectric pyrometer Radiation pyrometer Optical pyrometer ANSWER DOWNLOAD EXAMIANS APP
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