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 G/(1 + H) G/H H(1 + G) H/G G/(1 + H) G/H H(1 + G) H/G ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples is the most suitable for measuring a temperature of about 1600°C in an oxidizing atmosphere? Chromel-alumel Copper-constantan Platinum-platinum + rhodium Iron-constantan Chromel-alumel Copper-constantan Platinum-platinum + rhodium Iron-constantan 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 D² D³ D⁴ D D² D³ D⁴ D ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Stroboscope is used for the measurement of Depression of freezing point Rpm of a flywheel Liquid level under pressure Frequency of light Depression of freezing point Rpm of a flywheel Liquid level under pressure Frequency of light ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A pyrheliometer is an instrument used for measuring the Diffuse radiation None of these Bright sunshine period Beam radiation Diffuse radiation None of these Bright sunshine period Beam radiation ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Very low pressure is expressed in microns(μ), which is equal to __________ mm of Hg coloumn (absolute) at 0°C. 0.01 0.1 0.0001 0.001 0.01 0.1 0.0001 0.001 ANSWER DOWNLOAD EXAMIANS APP
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