Switches, Repeaters, Bridges, Routers, Firewalls
Switches An ethernet switch is a device that provides a central connection point for cables from workstations, servers, and peripherals. In a star topology, twisted-pair wire is run from each…
Conveyor : Belt, Screw, Pneumatic, Hydraulic, Roller, Chain, Bucket, Vibratory
What is a Conveyor ? Conveyors are used to transport the bulk or grain solid material from one place to another. The transportation of material can be carried out by…
Nuclear Power Plant Multiple Choice Questions
Here we shared the basic nuclear power plant multiple choice questions and answers (MCQ).
Piezo-electric Acceleration Measuring Device
Piezo-electric Crystal based Acceleration measuring device Piezo Electric Concept: This device which you will build is based on piezo electric effect. Let me explain you in detail, when a piezo-electric…
Solenoid Valves Questions & Answers – 4
Sketch arrows next to each of the two solenoid valves showing the directions of air flow in the energized (E) and de-energized (D) states, assuming both of the solenoid valves…
Solenoid Valves Questions & Answers – 3
Determine the “normal energization” states (e.g. NE or NDE) of each solenoid valve in this diagram, assuming the process valve needs to be closed when the process is running as…
Solenoid Valves Questions & Answers – 2
Solenoid valve SV-92 plays an important role in this compressor inlet separator control system. Level control valve LV-92 opens up when needed to drain liquid out of the “boot” of…
Solenoid Valves Questions & Answers – 1
A burner management system (BMS) monitors the status of the flame at the base of this incinerator, to ensure fuel gas does not keep entering the combustion chamber unless there…
Practical Process Control System Questions & Answers – 12
In this process, two chemical streams are mixed together in a reactor vessel. The ensuing chemical reaction is exothermic (heat-producing) and must be cooled by a water cooling system to…
Practical Process Control System Questions & Answers – 11
Examine this P&ID for a level control system in a vessel where two different fluids (Feed A and Feed B) are mixed together: Determine the effect on the control system’s…
