Process Control and Instrumentation The inverse Laplace transform of the function f(s) = 1/S(1 + S) is 1 + et 1 - et 1 - e-t 1 + e-t 1 + et 1 - et 1 - e-t 1 + e-t ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is 5π/12 π/12 π/3 π/6 5π/12 π/12 π/3 π/6 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Compositional analysis of __________ is done using mass spectrometer. Natural gas An isotope A solid An alloy Natural gas An isotope A solid An alloy ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Strain gage uses an electrical conductor wire, which when elastically stretched increases in length and reduces in diameter. Both these dimensional changes result in __________ in the electrical resistance of the wire. Increase Decrease No change Exponential decrease Increase Decrease No change Exponential decrease ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ type of element is normally not used in the bimetallic thermometers. Multiple helix Bourdon tube Single helix Flat spiral Multiple helix Bourdon tube Single helix Flat spiral ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a second order under damped system, the None of these Time required for the response of first reach its ultimate value is called the response time Decay ratio (which is the ratio of the sizes of successive peaks) is equal to the reciprocal of overshoot Overshoot (which is a measure of how much the response exceeds the ultimate value) increase with the decrease of damping co-efficient e None of these Time required for the response of first reach its ultimate value is called the response time Decay ratio (which is the ratio of the sizes of successive peaks) is equal to the reciprocal of overshoot Overshoot (which is a measure of how much the response exceeds the ultimate value) increase with the decrease of damping co-efficient e ANSWER DOWNLOAD EXAMIANS APP
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