Process Control and Instrumentation On-off controllers are normally used for Flow rate changes None of these Low loads Temperature changes Flow rate changes None of these Low loads Temperature changes ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal wells used in temperature measurements should have Polished surface Low emissivity Very thick walls High transmissivity of radiation Polished surface Low emissivity Very thick walls High transmissivity of radiation ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation E.m.f. generated by thermocouples is of the order of Microvolts Millivolts Kilo volts Volts Microvolts Millivolts Kilo volts Volts ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change? Carbon-tetrachloride Mercury Water Methyl alcohal Carbon-tetrachloride Mercury Water Methyl alcohal 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 1 44020 -1 43838 1 44020 -1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The frequency response of a first order system, has a phase shift with lower and upper bounds given by - ∞, π/2 0, π/2 -π/2, π/2 -π/2, 0 - ∞, π/2 0, π/2 -π/2, π/2 -π/2, 0 ANSWER DOWNLOAD EXAMIANS APP
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