Description : What is the best way to configure a bypass line in slurry services?
Last Answer : Bypass lines should be placed ABOVE the control valve so that the slurry cannot settle out and build up in the line during bypass.
Description : Combined therapy with dipyridamole and warfarin is recommended in subjects with the following: A. Risk factors for coronary artery disease B. Prosthetic heart valves C. Cerebral thrombosis D. Buerger's disease
Last Answer : B. Prosthetic heart valves
Description : __________ is used for producing a thick suspension from a thin slurry. (A) Cartridge filter (B) Rotary drum vacuum filter (C) Pressure filter thickener (D) Plate and frame filter press
Last Answer : (C) Pressure filter thickener
Description : Addition of filter aid to the slurry before filtration is done to __________ of the cake. (A) Increase the porosity (B) Increase the compressibility co-efficient (C) Decrease the porosity (D) Decrease the compressibility co-efficient
Last Answer : (A) Increase the porosity
Description : The basic filtration equation is given as dt/dV = (µ/A ∆P). [(α .CV/A) + Rm], where, V is volume of the filtrate; A is the filtration area, a is specific cake resistance, μ is viscosity of ... produced? Neglect filter medium resistance, Rm; assume incompressible cake. (A) 10 (B) 20 (C) 25 (D) 30
Last Answer : (B) 20
Description : Separation of a suspension or slurry into a supernatant clear liquid (free from particles) and a thick sludge containing a high concentration of solid is called (A) Classification (B) Sedimentation (C) Clarification (D) Decantation
Last Answer : (B) Sedimentation
Description : Filter aids like asbestos, kieselguhr, diatomaceous earth etc. are used to increase the porosity of the final filter cake & reducing the cake resistance during filtration. Filter aid is (A) Added to the feed slurry (B) Pre ... the cake by dissolving solids or by burning it off (D) All 'a', 'b' & 'c'
Last Answer : (D) All 'a', 'b' & 'c'
Description : Introduction of slurry in a plate and frame filter press is done through a plate in each frame. The plate of this filter has a __________ surface. (A) Plane (B) Curved (C) Ribbed (D) Either (A) or (B)
Last Answer : (C) Ribbed
Description : Filtration operation carried out by continuous increase of the inlet pressure of slurry, is called the __________ filtration. (A) Constant rate (B) Varying pressure (C) Varying rate (D) Constant pressure
Last Answer : (A) Constant rate
Description : Percentage of drum submerged in the slurry in case of rotary drum filter is (A) 3 (B) 30 (C) 85 (D) 25
Last Answer : (B) 30
Description : __________ are used for the separation of coarse particles from a slurry of fine particles. (A) Thickeners (B) Classifiers (C) Hydrocyclones (D) Decanters
Last Answer : (B) Classifiers
Description : Separation of solid suspended in liquid into a supernatant clear liquid and a denser slurry employs a process termed as the (A) Coagulation (B) Flocculation (C) Sedimentation (D) Clarification
Last Answer : (C) Sedimentation
Description : Filtration capacity of a rotary drum vacuum filter depends upon the (A) Cake thickness (B) Characteristics of the feed slurry (C) Both (A) & (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) & (B)
Description : During filtration operation, the filtrate encounters the resistance of the (A) Filter medium (B) Cake (C) Channel carrying the slurry to the upstream side of the cake and filtrate away from the filter medium (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : A slurry is to be dried to produce flaky solid. Which dryer would you recommend? (A) Spray dryer (B) Drum dryer (C) Rotary dryer (D) Dielectric drye
Last Answer : (A) Spray dryer
Description : For pumping slurry, one can use a __________ pump. (A) Reciprocating (B) Diaphragm (C) Centrifugal (D) Pneumatic
Last Answer : (B) Diaphragm
Description : For the transfer of solution of thick slurry, the pump used is a __________ pump. (A) Reciprocating (B) Gear (C) Diaphragm (D) Centrifugal
Last Answer : (C) Diaphragm
Description : Which of the following can be used for the direct measurement of volumetric flow rate of slurry? (A) Venturimeter (B) Orificemeter (C) Rotameter (D) Pitot tube
Last Answer : (C) Rotameter
Description : Slurry reactors are characterised by the (A) Lack of intraparticle diffusion resistance (B) Presence of two mobile phases (C) Both (A) and (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) and (B)
Description : Vegetable oils are hydrogenated in a __________ reactor. (A) Slurry (B) Plug flow (C) Homogeneous catalytic (D) None of these
Last Answer : (A) Slurry
Description : Oil is hydrogenated using nickel catalyst in a __________ reactor. (A) Batch (B) Slurry (C) Fluidised bed (D) Fixed bed
Last Answer : (B) Slurry
Description : The use of space time is preferred over the mean residence time in the design of a/an (A) Batch reactor (B) Ideal tubular-flow reactor (C) Slurry reactor (D) CSTR
Last Answer : (B) Ideal tubular-flow reactor
Description : Are there any general rules for flushing slurry lines?
Last Answer : Slurry lines should be flushed with a minimum fluid velocity of 10 ft/s and the total flushing liquid volume should equal 3-6 times the total piping volume.
Description : How can you determine the proper pipe thickness for a slurry line?
Last Answer : Design of slurry piping systems should follow ANSI/ASME B31.1 and B31.11 Codes. A simple equation for this calculation is as follows: t = (PD) / (2S) + C where: t = pipe wall thickness, ... of the pipe, psig S = maximum allowable design stress, psig C = corrosion or erosion allowance, in.
Description : What is the best way to handle bend or turns in slurry piping systems?
Last Answer : Even long radius elbows should be avoided in slurry pipes and lines. They are often the site of severe erosion or solid/liquid separation. Only gentle pipe bends or sweeps should be used to turn ... . Industrial experience has shown that a bend-radius-to-pipe-diameter ratio of 3-5 is recommended.
Description : Are there any general rules that should be considered when designing a slurry piping system? The following are items to consider when designing a piping system that will transport slurries:
Last Answer : 1) Whenever possible, piping should be designed to be self-draining 2) Manual draining should be installed to drain sections of the piping when self-draining is not possible 3) Blow-out or ... flanges should be provided every 20 feet of horizontal pipe or after every two changes in direction
Description : Should slurry pipes be sloped during horizontal runs?
Last Answer : If possible, slurry lines should indeed be sloped. Generally, to slope the pipes 1/2 inches for every 10 feet of pipe is recommended.
Description : Recycling question: Why can't they come up with a process to remove the grease from the slurry when recycling papers and cardboards that have food on them?
Last Answer : answer:I didn't know that. Really? Who is going to bother to cut out the greasy portion of the pizza box. I recycle pizza boxes and paper plates by burning them in my wood burning stove and ... sure attractant for raccoons and other critters. You will wake up to a mess all over your front lawn.
Description : Which is the destination of the slurry brought by pipeline from Kundremukh
Last Answer : Mangalore
Description : What is Slurry valve?
Last Answer : Answer: A knife edge valve used to control flow of non-abrasive slurries.
Description : To obtain cement dry powder, lime stones and shales or their slurry, is burnt in a rotary kiln at a temperature between (A) 1100° and 1200°C (B) 1200° and 1300°C (C) 1300° and 1400°C (D) 1400° and 1500°C
Last Answer : D
Description : During percussion drilling (A) Ground water observations are hindered due to entry of the slurry in the soil below the bottom of the hole (B) Caving or mixing of strata are caused in soft soils or ... The soil to a considerable depth below the bottom of the hole gets disturbed (D) All the above
Last Answer : Answer: Option D
Description : Define ‘slurry’ and ‘filter cake’.
Last Answer : i) Slurry: Mixture of insoluble substances suspended in a liquid and intended to filter before use. ii) Filter cake: The solid which gets collected on the filter is called as filter cake.
Description : Which of the following refers to an easily melted product of the reaction between the flux and the impurities of an ore? w) slag x) slurry y) slug z) none of the above
Last Answer : ANSWER: W -- SLAG
Description : What are types of gate valves?
Last Answer : Answer: Solid plane wedge, solid flexible wedge, split wedge, double disc parallels seats, double disc wedge, single disc single seat gate or slide, single disc parallel seats, plug gate valve.
Description : What are port types for gate valves?
Last Answer : Answer: Full port and reduced port. Default is reduced bore. Full port has to be specified in bom.
Description : What are types of flush bottom valves?
Last Answer : Answer: Valves with discs opening into the tank and valves with disks into the valve.
Description : What Are Different Types Of Control Valves?
Last Answer : The commonly used control valves can be defined as follows: a. Depending on Action: Depending on action there are two types of control valves 1. Air to close 2. Air to close b. Depending on body ... 1. Globe valves single or double seated 2. Angle valves 3. Butterfly valves 4. Three way valves
Last Answer : The commonly used control valves can be defined as follows: a. Depending on Action: Depending on action there are two types of control valves 1. Air to open 2. Air to close b. Depending on body ... valves 1. Globe valves single or double seated 2. Angle valves 3. Butterfly valves 4. Three way valves
Description : What Are Types Of Valves?
Last Answer : Gate Valve Globe Valve Ball valve Butterfly Valve Needle Valve Plug Valve Diaphragm Valve Non-Return Valve Knife Edge Valve Drain Valve Float Valve Flush Bottom Valve Pinch Valve Pen Stack Valve etc.
Description : What are the different types of control valves ?
Last Answer : The commonly used control valves can be divided as follows. 1. Depending on Action. 2. Depending on the Body. 1. Depending on action: Depending on action there are two types of control valves, (1) ... valves single or double seated. 2. Angle valves. 3. Butterfly valves. 4. Three way valves.
Description : Write the names of different types of control valves.
Last Answer : Types of control valve: 1. Based on number of plugs: Control valves can be classified as single seated valve and double seated valve 2. Based on action: Control valves operated through pneumatic actuators ... Valve 4. Butterfly valve 5. Rotary valve 6. Ball valve 7. Sliding cylinder valve
Description : Recommended free services for comic website?
Last Answer : answer:So, you want to publish your comics online for free, right? You could just create a mini-blog and post all the comic images. For example, http://garfieldminusgarfield.tumblr.com/ is a popular online ... you simply want to post your comics online or do you want to make them using a web app ?
Description : What are some recommended drain cleaning services?
Last Answer : Drain cleaning can take a few hours. When you are hiring a professional for drain cleaning, then they might take some hours to clean the drain proper, deal with the clogged pipelines, gutter and ... well. If you are looking for professional gutter cleaning services in kent, call 754-175-7383 now.
Description : Committee on Comprehensive Financial Services for Small Businesses and Low Income Households, headed by ________ recommended the formation of a new category of bank called payments bank. A. NR Madhawan Menon B. Bimal Jalan C. Nachiket Mor D. Y.H. Melagam E. None of the Above
Last Answer : C. Nachiket Mor Explanation: Committee on Comprehensive Financial Services for Small Businesses and Low Income Households, headed by Nachiket Mor recommended the formation of a new category of bank called payments bank.
Description : Eman, a CPA, has a law practice. Eman has recommended one of his clients to Noel, a CPA. Noel has agreed to pay Eman 10% of the fee for services rendered by Noel to Eman's client. Who, if anyone, is in ... the Code of Ethics? a. Both Eman and Noel b. Eman only c. Neither Eman and Noel d. Noel only
Last Answer : Both Eman and Noe
Description : Addition of 2% nickel in steel makes it suitable for making (A) Electronic valves (B) Boiler plates, rivets etc. (C) Turbine blades (D) Connecting rod
Last Answer : (B) Boiler plates, rivets etc.
Description : Valves in pipe size of 2" and under are normally made of (A) Wrought iron (B) Brass (C) Bronze (D) Monel
Last Answer : (B) Brass
Description : Monel alloy is (A) The costliest of all the alloys of nickel (B) Not suitable for making kitchen utensils (C) Used for making steam valves and turbine blades as it resists steam attack at high temperature (D) Not used in cast and wrought forms
Last Answer : (C) Used for making steam valves and turbine blades as it resists steam attack at high temperature
Description : Which of the following valves will incur maximum pressure drop for the same discharge of water? (A) Globe valve (B) Gate valve (C) Needle valve (D) Butterfly valve
Last Answer : (C) Needle valve