Questions150Q) An engine lathé is used to furn a cylindrical work part 150 mmin diameter by 500 mm long. Cutting speed 2.50 m/s, feed_0,30mm/rev, and depth of cut 3.0 mm. Determine (a) cutting time and(b) metal removal rate. ll IsI Jo१।.४

lathe is used to rotated and cut the material in specific shape by using the axis rotation of the…

50 Q) An engine lathé is used to turn a cylindrical, work part 150 mm in diameter by 500 mm long. Cutting speed 2.50 m/s, féed 0.30 mm/rev, and depth of cut 3.0 mm. Determine (a) cútting time and b) metal removal rate IsI Jeo さuus

50 Q) An engine lathé is used to turn a cylindrical, work part 150 mm in diameter by 500 mm long. Cutting speed 2.50 m/s, féed 0.30 mm/rev, and depth of cut 3.0 mm. Determine (a) cútting time and b) metal removal rate IsI Jeo さuus

Solid Waste Engineering

3rd Edition

ISBN:9781305635203

Author:Worrell, William A.

Publisher:Worrell, William A.

Chapter4: Mechanical Processes

Section: Chapter Questions

Problem 4.14P

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Analysis and Procedures for Material Selection

The term material selection means to select the right material for various engineering applications. There are various engineering materials available and each has different individual properties. Thorough knowledge of the material properties and behavior is crucial in the design process. For instance, a structural member, such as a beam, is used to support vertical shear loads by the building itself. To withstand such loads, the material of the beam must possess adequate strength and stiffness to resist any deformation that might lead to the formation of cracks.

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Q) An engine lathe is used to turn a cylindrical work part 150 mm in diameter by 500 mm long. Cutting speed 2.50 m/s, feed 0.30 mm/rev, and depth of cut 3.0 mm. Determine (a) cutting time and (b) metal removal rate.
Two materials, A and B, are to be separated using two unit operations, 1 and 2. The feed has 10 tons/h A and 4 tons/h B. The split (fraction of material rejected by each operation) is given in Table P5-14. a. Which sequence of operations, (l?2) or (2?1), will yield the greatest recovery of material A? b. What will be the purity of material A using that sequence? c. What will be the efficiency of separation for the entire process train with regard to material A using the Worrell-Stesed equation?
SUBJECT DATE DURATION EXAMINER TOTAL MARKS QUESTION 1 : a) b) c) : 26,5 19.0 13,2 9,5 4,750 2,000 1,05 0,425 0,075 REQUIREMENTS: : NB: SHOW ALL NECESSARY STEPS AND CALCULATIONS!!! Sieve Opening (mm) You are tasked with classification and/or comparative analysis of Materials A and B as shown in the table below. VUT Vaal University of Technology Your world to a better future FACULTY OF ENGINEERING AND TECHNOLOGY DEPARTMENT OF CIVIL ENGINEERING AND BUILDING SOIL MECHANICS I [Test 2: 2nd Opportunity] 24/06/2022 1.5 Hours M. Lamola 25 VAAL UNIVERSITY OF TECHNOLOGY 54 Percentage Passing (%) Material A 100 79 66 35 21 16 12 10 Material B 100 100 100 91 87 77 65 58 50 Plot the particle size distribution curves/graphs of the two materials on the same set of axis; Indicate whether the samples meet the standard requirements for road construction. Justify your answer by computing the respective Cu & Cc of each sample. Indicate the percentage (i) fines, (ii) Sand, (iii) and Gravel in each sample.
b. What are the uses of the following types of Chisel? 1- Concrete Chisel: 2- Cold Chisel: 3- Cape Chisel: 4- Bevel Edge Chisel: c. In details, sate the differences between Taps and Dies. (types, uses)
2. What do the various elements that comprise the gating system? what are the function pouring basin in a sand casting? 3. Explain why a sprue should be tapered? 4. What are the disadvantages of die casting? 5. Explain the various kinds of patterns in use. What are the allowances provided, when r How do the patterns differ from the casting required? 6. Define Expendable-mold, Expendable-pattern Casting Processes
A 2000 g coarse aggregate sample in SSD condition weighed 1272 g when immersed in water. The same sample when dried in oven weighed 1984 g. Calculate the SSD bulk specific gravity, apparent specific gravity, absorption capacity and dry bulk specific gravity of the aggregate. 3 Ca 15:38 5EEהבןה F5 F6 F8 F9 F10 F11 F12 PAT SC PAUSE DEL END INSERT BREAK ). 9] %3D -> Sv2 O} NUM BACKSPACE T Y P 7 ENTER HOME G H K L B 1 SHIFT END すv :0
Choose the correct answer of the following: tools are made by casting in graphite molds and then grinding to final size. 1. a) Cast-cobalt alloys. b) Diamond. c) Ceramics. d) Cermet. 2. For machining of carbide material, which of the following tool will be preferred? (a) Zero rake angle. (b) Positive rake angle. c) Negative rake angle (d) Small point angle. 3. When increasing the value of clearance angle, the strength of tool a) Increases. b) Decreases. c) Remains constant. d) Is unpredictable. 4. Angle between the face of the tool and a line parallel to the base of the tool is known as: a) Rake angle. b) Cutting edge angle. c) Clearance angle. d) Nose angle. 5. In grinding operation, grit sizes produce poor finishes. a) Small. b) Large. c) Medium. d) All of the Mentioned.
For carbon steel casting with step pattern shown in Figure 1, that all surfaces will be machined after casting process, considering fraction coefficient to be 0.4 and density .to be 7.8 g/cm3 and Gating ratio to be 1.4: 1.2: 1 .Calculate for 4 pieces in one mold. Determine and draw a) pattern design b) Riser design c) Gating design 150mm 150mm 40 mm 130 mm 40 mm 500 mm
QI: Justify the following: c. In practice, the engineer could not make use of the absolute and bulk specific gravity of aggregate. d. The internal vibrators are considered the best in consolidating fresh concrete. e. It is necessary to control bleeding of fresh concrete. TTT T TT
manufacturing technologhy please asnwer as soon as possible
Genel ERM EXAM ly courses / CIVE 361L-1-20 In the Aggregate Impact Value test you get the following Total weight of Aggregate 344 grams %3D 38 grams Weight of Aggregate passing through 2.36 mm Calculate Aggregate Impact value Select one: O a. 89.06 O b. 11.04 O C. 98 O d. 67 AS (8)
Compute the mass fraction of a ferrite and cementite in pearlite. Comcenton ark o 1400 -250e 1200 214 4.30 Austenite 1000 RO 1500 227 0.76 3.002 G00 Festa Denert e 100 400 "C 630 Corpositen ws C 2 edu