EXAMPLE 28.2. What is the power required to crush 100 ton/h of limestone if 80 percent of the feed passes a 2-in. screen and 80 percent of the product a-in. screen? work index for limestone is 12.74. O for

Q: 2. Explain in short major engineering difficulties in water treatment process

A: This question is based on water treatment process and the engineering difficulties associated with…

Q: If you have a desired value of product and want to obtain the feed of the process, what is the…

A: Material balance is also known as mass balance. This balance is based on the law of conservation of…

Q: A process engineer proposed to crush a mixture of 40% limestone, 40% clay and 20% quartz with almost…

A: Given data: Composition of mixture is, Limestone = 40 % Clay = 40 % Quartz = 20 % Initial size =…

Q: Hot brine from a geothermal well passes through 120 3 cm-O.D., 1 mm-wall- thickness, 16 m-long…

A: Given, The number of tubes, N = 120 The density of brine, ρ = 900 kg/m3 The bulk velcoity, u = 2 m/s…

Q: Determine the required number of theoretical plates needed if there are 13 theoretical stages after…

A: Given that  13 theoretical stages by using  McCabe Thiele method which contain a partial condenser…

Q: 100 lb•ft/s2 to N

A: The unit of force is to be converted from lb. ft/s2 to N.

Q: You are now a 4th year student, undergoing your research work. You need to increase the temperature…

A: (a) When we talk about thermodynamics, In adiabatic process there is no transfer of heat and mass…

Q: Following is the example of. O a. Orifice meter O b. Flow O C. Flow Pressure meter Rotameter

A: In the given image, the device contains a transparent glass tube that is placed vertically.  In this…

Q: (B):-During corrosion tests, current density of 0.86 Amp/m² sample immersed in sea water.

A:

Q: A 10-mm-diameter Brinell hardness indenter yielded a hardness of 350 HB when 1250-kg | s used on a…

A: ASTM E10 defines the Brinell hardness test technique, which is used to determine Brinell hardness.…

Q: 1. As a process technicians, what type of materials are used in the manufacture of storage tanks?…

A: The different type of materials required to manufacture the storage tanks is to be determined. The…

Q: What is the difference between the total condenser and the partial reboiler?

A: Difference between partial reboiler and total condenser:

Q: In the table below are shear stress and shear rate data for three bottles of syrup (simply…

A: In the above question shear stress vs shear rate data are given. We have to find the Non Newtonian…

Q: The above data were collected from a constant pressure filtration. The height of cake formed, after…

A: Given details: Constant pressure filtration. Height of cake formed=4.4 cm Volume of filtrate…

Q: Estimate the clean filter headloss for a proposed new sand filter using the sand. Use the following…

A:

Q: Answer the question below: Experiment 1: Calibration of a Calorimeter Results Time (in minutes)…

A: Before HeatingTime minutes Temperature (C)024.50.524.61.024.71.524.82.024.92.524.93.025.0Heater…

Q: Determine Optimum tubing sizes for the following wells, if you know well depth = 2100 m and , GLR =…

A: The Problem and Given DataProblem: Determine the optimum tubing sizes for five wells given their…

Q: suppose that 1,000 bbl/day of 45 API, 1.3 cp oil is being produced through 27⁄8-in., 8.6-lbm/ft…

A:

Q: In tillage operations, the typical required draft per unit width of implement for a clay soil is 5…

A: The wdth and draft width are used to obtain the total draft. The width is considered in units of…

Q: If I want do a certain application in the process engineering, what is the best type of pump that…

A: Classification of pump:

Q: We wish to produce 0.2-in-diameter wire of copper having a minimum yeild strength of 60,000 psi and…

A:

Q: Fermentation process can be done in a which is having stirrer and heating system.

A: the fermentation process is carried out in which system__ Select a suitable option.

Q: Calculate the energy requirements in each case. Comment on your results (What factor determines very…

A:

Q: 15 pulp sheets of size 1.6 mx1.42m x35 mm are to be dried from 75% moisture to 11 % moisture in a…

A:

Q: (b) The general characteristics of three oil wells selected for artificial lift as production method…

A: Table of 3 well are given.

Q: We use magnetic sheets (lamination) for the core of the power transformer to: None of the choices…

A: the central iron core is developed from of a exceptionally permeable fabric made from skinny silicon…

Q: A container of gas is being cooled. Identify the physical change occurring during the time interval,…

A: The process that is taking place between the time interval of 4 mins to 9 mins is to be chosen.

Q: A steel coupon with an anode surface area of 1000 cm2 is placed in an electrolyte. The corrosion…

A: As the  metals are found in the ores present naturally in the environment. The corrosion process can…

Q: 10. A 6,000 lb of a material goes through a crusher and grinder per hour in succession (on the same…

A: Given that- Mass flow rate of material is,  m= 6000 lb/hr=6000 lbhr× 1hr3600 s=1.666 lb/s Rittinger…

Q: Identify conditions listed in the following table for a 50-fold scaleup of batch crystallization of…

A: Given conditions for the batch crystallization in laboratory and plant are given as:

Q: Q2/The following data are given for the Gas Field: area=170 acres, net productive thickness-43ft,…

A: 1) initial gas in place first, find bulk volume. now we will find initial gas in place. 2)  gas in…

Q: cycle time for maximum filtrate

A:

Q: Which of the following sources need expensive machines for large scale production of electricity? O…

A: which of the following source need expensive machines for large-scale production of machinery?…

Q: Based on the following data related to screen analysis: Power coal (1000 kg), 20 nd thickness of…

A:

Q: What are the advantages and disadvantages of continuous, counterflow, mechanically assisted…

A: The advantages of the mechanically assisted forms of the continuous and counter-flow extractors are…

Q: Two flocculator treat 1.2 m/s and remove flocs large than 0.02 mm. The settling velocity of the 0.02…

A: Given data: Volumetric flow rate = 1.2 m3/s Width of settler = 50.8 mm Angle = 45 0 Vertical height…

Q: Hot brine from a geothermal well passes through 120 3 cm-O.D., 1 mm-wall- thickness, 16 m-long…

A: Given, The number of tubes, N = 120 The density of brine, ρ = 900 kg/m3 The bulk velcoity, u = 2 m/s…

Q: What is main objective for Sewage Water Treatment to produce electricity

A:

Q: 3. What factors should we take into account for the selection of the pipe size and design of the…

A: 1. Material: Pipe material assumes a vital part in deciding the quality and tension of compacted…

Q: A plate and frame filter press is used to filter a compressible sludge (S = 0.45) at 50 psia for 2…

A: Given :Sludge compressibility Filtration pressure Filtration time Washing pressure Wash water volume…

Q: 8 ft 7 ft 10 ft 45° entry 10 ft 10 ft A B 3 ft 3 ft

A:

Q: A food product, having a dry weight of 30 kg is dried in a tunnel dryer. Drying was from top surface…

A: