Process Control and Instrumentation Non-metallic diaphragm used as pressure sensor in instruments is generally made of Thick paper Bakelite Teflon Synthetic rubber Thick paper Bakelite Teflon Synthetic rubber ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The root locus plot of the roots of the characteristics equation of a closed loop system having the open loop transfer function K(s + 1)/2(2s + 1)(3s + 1) will have a definite number of loci for variation of K from 0 to ∞. The number of loci is 2 4 3 1 2 4 3 1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Specific conductance is defined as the reciprocal of resistance in ohms of 1c.c. of liquid at a specified temperature. Its value for distilled water is about __________ micro mho/cm³. 1 50 100 10 1 50 100 10 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bourdon gauges are used for measuring pressure (kg/cm² ) > 10 (absolute) > 2 (gauge) < 2 (gauge) < atmospheric > 10 (absolute) > 2 (gauge) < 2 (gauge) < atmospheric ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Accurate temperature measurement performance of a radiation pyrometer can not be affected, if the 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 Object and surrounding are at almost the same temperature Object has varying emissivity Enhancement or attentuation of redia-tion occurs in the sighting path ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The deflection in diaphragm (which is used as pressure sensor in pneumatic and electronic instruments) is dependent on the metal thickness, its diameter (d) and shape & number of corrugations. Its deflection is proportional to D³ D⁴ D² D D³ D⁴ D² D ANSWER DOWNLOAD EXAMIANS APP
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