Process Control and Instrumentation Dead zone in an instrument must be less than __________ percent of the scale. 0.2 1.5 8 4 0.2 1.5 8 4 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which thermocouple can be used to measure a temperature of around 1400°C ? Platinum-platinum+rhodium Copper-constantan Aluminium-chromel None of these Platinum-platinum+rhodium Copper-constantan Aluminium-chromel None of these 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 D D² D⁴ D³ D D² D⁴ D³ ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a feed-back control system G and H denote open loop and close loop transfer functions respectively. The output-input relationship is H(1 + G) G/(1 + H) G/H H/G H(1 + G) G/(1 + H) G/H H/G ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Degree to which an instrument indicates the changes in measured variable without dynamic error is called its Static characteristics Speed of response Reproducibility Fidielity Static characteristics Speed of response Reproducibility Fidielity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation An aneroid barometer measures the __________ pressure. Vacuum Atmospheric Absolute Gage Vacuum Atmospheric Absolute Gage ANSWER DOWNLOAD EXAMIANS APP
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