Process Control and Instrumentation Emission spectroscopy is used for NOxdetermination Determination of CO₂ in gases Solids and metal analysis Determining water purity NOxdetermination Determination of CO₂ in gases Solids and metal analysis Determining water purity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following flow-metering instru-ments is an areameter? Rotameter Hot wire anemometer Venturimeter Pitot tube Rotameter Hot wire anemometer Venturimeter Pitot tube ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A sinusoidal variation in the input passing through a linear first order system Becomes more oscillatory (frequency increases) Becomes less oscillatory (frequency decreases) Gets amplified (magnitude increases) Gets attenuated (magnitude decreases) Becomes more oscillatory (frequency increases) Becomes less oscillatory (frequency decreases) Gets amplified (magnitude increases) Gets attenuated (magnitude decreases) 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)0.5 Decibel = 20 log10 (AR) Decibel = 20 loge (AR) Decibel = 20 loge (AR)0.5 Decibel = 20 log10 (AR)0.5 Decibel = 20 log10 (AR) Decibel = 20 loge (AR) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The unit step response of the transfer function 1/(s² + 2s + 3) Has a non-zero slope at the origin Has a damped oscillatory characteristics Is overdamped Is unstable Has a non-zero slope at the origin Has a damped oscillatory characteristics Is overdamped Is unstable ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion? Chromel Brass Nickel Invar Chromel Brass Nickel Invar ANSWER DOWNLOAD EXAMIANS APP
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