Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is π/3 5π/12 π/6 π/12 π/3 5π/12 π/6 π/12 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid column manometers are used for measuring the pressure __________ kgf/cm² . < 3 (gage) < 10 (gage) < atmospheric > 2(gage) < 3 (gage) < 10 (gage) < atmospheric > 2(gage) 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. 50 100 10 1 50 100 10 1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Use of I-control along with P-control facilitates Elimination of offset Reduction of stability time None of these Reduction of offset Elimination of offset Reduction of stability time None of these Reduction of offset ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A pyrheliometer is an instrument used for measuring the Beam radiation Bright sunshine period None of these Diffuse radiation Beam radiation Bright sunshine period None of these Diffuse radiation ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A stable system is the one Which satisfies the conditions for a servo problem None of these Which exhibits an unbounded response to a bounded input For which the output response is bounded for all bounded input Which satisfies the conditions for a servo problem None of these Which exhibits an unbounded response to a bounded input For which the output response is bounded for all bounded input ANSWER DOWNLOAD EXAMIANS APP