Process Control and Instrumentation Which of the systems having following transfer functions is stable? 1/(s² + 2s + 2) 1/(s²-2s + 3) Exp(-20s)/(s² + 2s-l) 1/(s²+ 2) 1/(s² + 2s + 2) 1/(s²-2s + 3) Exp(-20s)/(s² + 2s-l) 1/(s²+ 2) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature measuring instruments are standardised mostly with __________ points of pure substances. Both A & B Here Melting Boiling Neither A nor B Here Both A & B Here Melting Boiling Neither A nor B Here ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The closed loop pole of a stable second order system could be Both real and positive Both real and negative Complex conjugate with positive real parts One real positive and the other real negative Both real and positive Both real and negative Complex conjugate with positive real parts One real positive and the other real negative ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the most suitable instrument for measuring temperature in the range of-40 to 425°C. Radiation pyrometer None of these Mercury thermometer Bimetallic thermometer Radiation pyrometer None of these Mercury thermometer Bimetallic thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ thermometer can not measure sub-zero (< 0° C) temperature, Bimetallic Resistance Mercury in glass Vapor pressure Bimetallic Resistance Mercury in glass Vapor pressure ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Accurate temperature measurement performance of a radiation pyrometer can not be affected, if the Object and surrounding are at almost the same temperature Object has varying emissivity Enhancement or attentuation of redia-tion occurs in the sighting path Object is transparent Object and surrounding are at almost the same temperature Object has varying emissivity Enhancement or attentuation of redia-tion occurs in the sighting path Object is transparent ANSWER DOWNLOAD EXAMIANS APP
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