Process Control and Instrumentation The amplitude ratio for the sinusoidal response of a __________ is 1. None of these First order system Second order system Transportation lag None of these First order system Second order system Transportation lag ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Range of hydrogen gas constant volume themometer is __________ °C. -10 to 20 0 to 100 100 - 500 400 - 1000 -10 to 20 0 to 100 100 - 500 400 - 1000 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 Invar Nickel Brass Chromel Invar Nickel Brass ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Accurate temperature measurement performance of a radiation pyrometer can not be affected, if the Object has varying emissivity Enhancement or attentuation of redia-tion occurs in the sighting path Object and surrounding are at almost the same temperature Object is transparent Object has varying emissivity Enhancement or attentuation of redia-tion occurs in the sighting path Object and surrounding are at almost the same temperature Object is transparent ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the systems having following transfer functions is stable? Exp(-20s)/(s² + 2s-l) 1/(s²-2s + 3) 1/(s² + 2s + 2) 1/(s²+ 2) Exp(-20s)/(s² + 2s-l) 1/(s²-2s + 3) 1/(s² + 2s + 2) 1/(s²+ 2) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The operation of a rotameter is based on Variable flow area Pressure at a stagnation point Rotation of a turbine Pressure drop across a nozzle Variable flow area Pressure at a stagnation point Rotation of a turbine Pressure drop across a nozzle ANSWER DOWNLOAD EXAMIANS APP
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