Process Control and Instrumentation A sinusoidal variation in the input passing through a linear first order system Becomes less oscillatory (frequency decreases) Gets amplified (magnitude increases) Becomes more oscillatory (frequency increases) Gets attenuated (magnitude decreases) Becomes less oscillatory (frequency decreases) Gets amplified (magnitude increases) Becomes more oscillatory (frequency increases) Gets attenuated (magnitude decreases) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Select the correct statement from the following. The amplitude ratio of a pure time delay system increases with frequency The phase lag of a pure time delay system decreases with increasing frequency The amplitude ratio of a pure capacity process is inversely proportional to frequency The frequency response of a pure capacity process is unbounded The amplitude ratio of a pure time delay system increases with frequency The phase lag of a pure time delay system decreases with increasing frequency The amplitude ratio of a pure capacity process is inversely proportional to frequency The frequency response of a pure capacity process is unbounded ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermistors are used in __________ devices. Voltage measuring Temperature compensating Both B & C Temperature measuring Voltage measuring Temperature compensating Both B & C Temperature measuring 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 0, π/2 - ∞, π/2 -π/2, 0 -π/2, π/2 0, π/2 - ∞, π/2 -π/2, 0 -π/2, π/2 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Conversion formula for converting amplitude ratio (AR) into decibels is Decibel = 20 loge (AR)0.5 Decibel = 20 log10 (AR) Decibel = 20 log10 (AR)0.5 Decibel = 20 loge (AR) Decibel = 20 loge (AR)0.5 Decibel = 20 log10 (AR) Decibel = 20 log10 (AR)0.5 Decibel = 20 loge (AR) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Presence of a small amount of water in the organic systems can be determined by the __________ method. Electrical conductivity Polarimetry Emission spectroscopy Dielectric constant end loss factor Electrical conductivity Polarimetry Emission spectroscopy Dielectric constant end loss factor ANSWER DOWNLOAD EXAMIANS APP
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