Question Q 1 (a) Specify an instrument, for each situation posting its working highlights and advantages, which is appropriate for estimating the accompanying: (I) the stream rate of natural product squeeze in the range 5-25 m3/hour (ii) the stream rate of ocean water in the range 150-1000 m3/hour (iii) the stream rate of steam in a 50 mm ostensible bore pipe (iv) the stream rate of oil in the range 8-20 m3/hour NOTE, that differential weight gadgets and variable territory stream meters are not permitted, and that for each situation, the instrument is to be introduced in a completely mechanized plant, and a 4-20mA yield flag is required. (b) Describe quickly, the estimating rule utilized as a part of the stream meter determined above for the estimation of the stream rate of organic product squeeze in the range 5-25 m3/hour, and for this instrument just, list the inquiries you would ask the end client before requesting the instrument. (c) Specify two instruments reasonable to identify the nearness of stream amid ordinary process activity, and rundown the advantages and burdens of each sort (d) Specify a gadget depicting quickly its rule of task, that is ordinarily introduced downstream of a blasting plate as a marker of circle break, (e) A flip switch can be utilized to identify the nearness of stream. What are the advantages and disservices of this sort of switch? Recommend a superior option. Q 2 (a) The filtrate spill out of an upstream procedure must be exchanged to a downstream unit task a generous separation away. To accomplish this the filtrate is passed to a 1000 L cradle tank and pumped to the downstream task. The filtrate stream rate isn't consistent and must be kept up (the stream can't be halted) as any back weight would harm the upstream channel unit. On consummation of the activity the tank is cleaned utilizing a high temp water flush by means of a shower ball with the flush water coordinated to deplete. In view of the particular that the procedure plant is completely computerized and sterile, outline a P&ID of the tank and any related gear required to accomplish this obligation and clarify the guideline steps and premise of activity. (b) On/off air driven valves are obtained, with the detail, regularly shut or ordinarily open (spring to close or spring to open), and with single or twofold input. Clarify the above proclamation, and the guideline of task (c) An inductive vicinity switch is a gadget utilized as a part of valve input, depict its development, working guideline and gainful highlights Q 3 (an) In a programmed procedure plant four correspondence signals are utilized to interface with the primary control unit. With the utilization of a suitable case for each situation, layout the capacity of every one of these four signs. (b) In constant process control a 'PID controller' is introduced which utilizes a blend of corresponding, vital and subordinate activity. Why are these three methods of control utilized as a part of conjunction? (c) Give a case of a procedure circumstance where PID control is utilized and a further case where on/off control would do the trick. (d) In a programmed procedure plant programming and hard-wired interlocks are utilized. With the utilization of a proper case for each situation clarify the distinction. Q 4 (a) Thermocouples, RTD's (protection temperature gadgets) and thermistors are utilized to gauge temperatures on process plants, for every gadget: (I) portray the average reaction qualities, (ii) the scope of temperature estimation, (iii) the points of interest and disservices, (iv) the guideline of activity. (b) In specific cases change of state temperature sensors are utilized, for these: (I) examine the points of interest and weaknesses, (ii) and give two cases of their utilization. Q 5 (a) Discuss the elements that must be considered on choosing whether a procedure plant ought to be intended to be completely robotized, and determine the working advantages. (b) Explain why a FDS (Functional Design Specification) is a critical report. (c) In a programmed procedure plant four sorts of flag are utilized to interface with the primary control unit. With a fitting case for each situation layout the capacity of every one of these four signs. (d) If you were to buy a rack compose PLC (programmable legitimate controller), list the things required, and what decides their particular, and with a suitable portray demonstrate its run of the mill development. Q 6 (an) It is basic to utilize a Tag number to distinguish an individual plant thing, clarify why this is. (b) You have been delegated the lead build on the outline of a procedure plant that is utilized to fabricate a corrective item. Some portion of that plant is the supply and establishment of a pressurized vessel on a solid mezzanine floor, which permits the blending of two fixings which are put into the vessel in a steady progression in a set proportion by mass from an upstream unit activity. The fixings are pumped and have the consistency of glues. The blending must be performed at a set temperature of 90ï‚°C and kept up at that temperature and consequently the blending tank is jacketed with a fixed unit utilizing water which is re-flowed through a plate and casing heat exchanger provided with steam as the warming medium. Subsequent to blending for a set timeframe the substance are exchanged to an adjoining weight response vessel for additionally handling. The vessel is at long last cleaned utilizing high temp water on culmination of the exchange of the blended fixings. Propose an outline to accomplish the prerequisite indicated previously. Consider in your outline the accompanying criteria: The medium should never be in contact with air. The water coat is fixed and should not be subjected to a weight increment in the temperature control process. The technique used to exchange the blended item to the second vessel if pigging or pumping isn't conceivable, as the vessel is in nearness to the first. The blended item should not chill off amid the exchange between vessels The plant is completely programmed. In your answer you ought to incorporate a P&ID and quickly clarify the capacity of the outline and the explanation for any hardware utilized. (c) On appointing of the unit task planned to some extent (b) the end client has inquired as to whether the plant can be adjusted with the end goal that after the blending time frame the substance can be cooled preceding exchange. Propose a conceivable arrangement and clarify the strategy for task, including a basic outline of the significant segment of the P&ID. Q 7 a)Identify the choices accessible to the procedure design when estimating the stream rate of fluid in pipelines that are to be introduced as a major aspect of another completely computerized process plant. Your answer ought to incorporate four kinds of stream meter each with an alternate working rule, and for each situation you should list the operational and establishment focal points and inconveniences. Differential weight gadgets ought not be incorporated. b) Identify a selection of choices accessible to the procedure build when 'estimating' the level of a fluid in a vessel, which is introduced as a component of a completely robotized process plant, give the favorable circumstances and disservices of every technique (c) Identify a selection of alternatives accessible to the procedure build when 'estimating' temperature, on account of each instrument, quickly portray their working guideline (d) If you were required to supply an instrument to a Pharmaceutical Company with regards to fluid stream estimation what inquiries would you ask the end client. (e) If you were required to supply a stream change to a Pharmaceutical Company determine two choices that would meet the obligation, and for each situation, clarify the gadget's working rule. (f) If you were required to supply a gadget to be introduced downstream of a blasting plate, with a specific end goal to show crack of the circle, propose a gadget that would meet the obligation, and clarify the working guideline of the gadget. (g) Automatic air driven valves are provided ordinarily open, typically shut or air/air driven with single or twofold criticism. Clarify these terms. (h) Automatic control valves can be determined to control stream or weight upstream of the valve, clarify why. What issue can happen if there is an exorbitant weight drop over a control valve? (I) If you were required to supply a stream control valve to a Pharmaceutical Company, what inquiries would you ask the end client to completely indicate the valve? (j) Explain the rule of activity of a control valve and examine the choices accessible to the valve maker. In your answer incorporate the valve opening qualities, immediate and turn around acting, capacity of a positioner, utilization of a cam, and fitting of mechanical stops. Q8 (a) List the components that must be considered preceding indicating a pump for a given obligation. (b) Centrifugal pumps can be part into different outlines. Ident>