10 Questions on Reforming Furnace Control System
Reforming furnaces are special process furnaces used to generate pure hydrogen gas from a hydrocarbon feed gas, such as methane.
Practical Questions
In Practical Instrumentation Questions section, you will get industry related technical questions with problem solving approach,
Paint Mixing System
This paint mixing system mixes (clear) base and (colored) pigment to achieve the desired coloring, according to the ratio setpoint:
Question on Analytical Controller
The ratio between base flow and pigment flow in this paint-mixing control system is not fixed. Rather, it comes from
Problem on Solar Hot Air Collector and Variable Speed Fan
This solar hot-air collector bank uses a variable-speed fan as the final control element, the temperature controller commanding the fan
Identify the Purpose of Flow Ratio Controller
Identify the purpose of the flow ratio controller FFC-41 in this distillation process piping and instrumentation diagram (P&ID). Flow Ratio
Problem on Weigh feeder
Weigh feeders are conveyor belts equipped with load cells to measure the weight of material on a section of the
Stripper Overhead Temperature Control System
The stripper overhead temperature control system (loop #21) works adequately, but not as good as it could. In its present
Problem on Tachogenerator
A tachogenerator is a small DC generator designed to output a voltage directly proportional to the speed of a rotating
Pneumatic Level Transmitter Calibration Table
A pneumatic level transmitter has a calibrated range of 0 to 5 feet, and its output signal range is 3
Determine Resistance value of Resistors
Determine the nominal resistance values of these resistors, given their band colors, and also express the allowable tolerance in ohms