
Question 1 :-What Are Functions Of Valves?
Answer : Isolation, regulation, non-return and special purposes.
Question 2 :- What is preferred location for steam out nozzle on drum?
Answer : At the end opposite to the maintenance access.
Question 3 :-What Are Isolating Valves?
Answer : Gate, ball, plug, piston, diaphragm, butterfly, pinch.
Question 4:-What Are Special Valves?
Answer : Multi-port, flush bottom, float, foot, pressure relief, breather.
Question 5 :-What Are Regulating Valves?
Answer : Globe, needle, butterfly, diaphragm, piston, punch.
Question 6 :-What Are Non-return Valves?
Answer : Check valve.
Question 7 :-What Are Wetted Parts Of Valve?
Answer : All parts that come in contact with surface fluid are called wetted parts.
Question 8 :-What Is Straight Through Valve?
Answer : Valve in which the closing operation of valve is achieved by 90 degrees turn of the closing element.
Question 9 :- What Are Available Valve Operators?
Answer : Hand-lever, hand-wheel, chain operator, gear operator etc.
Question 10 :-Why ball valves are normally flanged?
Answer : Because of soft seat PTFE which can damage during welding.
Question 11 :-What are butterfly valve types?
Answer : Double flange type, wafer lug type and wafer type.
Question 12 :-What are types of check valve?
Answer : Lift check valves and swing check valves.
Question 13 :- What Is The Full Form Of Asme?
Answer : American Society for Mechanical Engineers.
Question 14 :- What Is The Full Form Of NPSH?
Answer : NPSH: Net Positive Suction Head.
Question 15 :- What Is The Software Available For Performing Piping Stress Analysis?
Answer : Caesar II, Auto Pipe etc.
Question 16 :- What are types of compressor drives?
Answer : Electric motor, gas turbine, steam turbine and gas engine.
Question 17 :- What factors to be considered while designing compressor housing?
Answer : Operation, Maintenance, Climate conditions, Safety, Economics.
Question18 :- What are the types of seal oil system?
Answer : Gravity and pressurized.
Question 19 :- What are the compressor housing design points?
Answer : Floor elevation, building width, building elevation, hook centerline elevation.
Question 20 :- How is suction line supported?
Answer : Commonly supported under the elbow adjacent to the pump nozzle.
Question 21 :- How should the suction line reducer be placed ?
Answer : It should be placed top flat.
Question 22 :- What are the types of tube arrangements?
Answer : U-tube, Fixed tube, kettle arrangement.
Question 23 :- What are drum internals?
Answer : Demister pads, Baffles, Vortex breakers, Distribution piping.
Question 24 :- What is preferred location for process nozzles on drum?
Answer : Minimum from the tangent line.
Question 25 :- What are drum supports?
Answer : Skirt for large drums, legs, lugs, saddles for horizontal drums.
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