Process Control and Instrumentation Emf developed by a thermocouple while measuring a temperature of 800°C is about 31 mV. The type of thermocouple used is Chromel-alumel Platinum-platinum+rhodium Iron-constantan None of these Chromel-alumel Platinum-platinum+rhodium Iron-constantan None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following fluid flow measuring devices can measure the largest flow rate? Weir V-notch Orificemeter Rotameter Weir V-notch Orificemeter Rotameter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the systems having following transfer functions is stable? 1/(s² + 2s + 2) Exp(-20s)/(s² + 2s-l) 1/(s²+ 2) 1/(s²-2s + 3) 1/(s² + 2s + 2) Exp(-20s)/(s² + 2s-l) 1/(s²+ 2) 1/(s²-2s + 3) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Routh test Criterion is not applicable to systems with polynomial characteristic equation Can not determine as to how many roots of the characteristics equation have positive real roots Cannot be used to test the stability of a control system containing transportation lag Criterion provides information about the actual location of roots Criterion is not applicable to systems with polynomial characteristic equation Can not determine as to how many roots of the characteristics equation have positive real roots Cannot be used to test the stability of a control system containing transportation lag Criterion provides information about the actual location of roots ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The Laplace transform of exp(at), where a > 0, is defined only for the Laplace parameter, s > a since The function is exponential The function exp(at) is piece-wise continuous only for s > a The Laplace transform integral of exp(at) has initial values only for s > a The Laplace transform of integral of exp(at) has finite values only for s > a The function is exponential The function exp(at) is piece-wise continuous only for s > a The Laplace transform integral of exp(at) has initial values only for s > a The Laplace transform of integral of exp(at) has finite values only for s > a ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is never used as an element of industrial resistance thermometer? Copper 30% iron + 70% nickel Lead Nickel Copper 30% iron + 70% nickel Lead Nickel ANSWER DOWNLOAD EXAMIANS APP
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