Q1/ Select the correct answer from the followings: 1. What is a shaping process? a) A type of casting process b) A type of grinding process c) A metal removal process in which reciprocating workpiece is fed against a stationary tool d) A process in which metal is removed by a reciprocating tool fed against a stationary workpiece. 2. Which of the following is the advantage of shaping process? a) Large objects can be machined easily. b) Thin or fragile workpiece can also be machined. c) Lower machining time. d) Higher tool life. 3. Which of the following operation, we can't perform on drilling machine? a) Reaming. b) Tapping. c) Lapping. d) None of the mentioned. 4. The drilling machine was primarily designed to originate a a) Flat surface. b) Cylindrical surface. c) Taper surface. d) None of the mentioned. 5. Lathe bed is usually made of: a) Structural steel. b) Stainless steel. c) Cast iron. d) Mild steel. 6-Internal or external tapers on a turret lathe can be turned by.... a) Face turning attachment. b) Taper turning attachment c) Sliding attachment. d) Morse taper attachment.

Q1/ Select the correct answer from the followings: 1. What is a shaping process? a) A type of casting process b) A type of grinding process c) A metal removal process in which reciprocating workpiece is fed against a stationary tool d) A process in which metal is removed by a reciprocating tool fed against a stationary workpiece. 2. Which of the following is the advantage of shaping process? a) Large objects can be machined easily. b) Thin or fragile workpiece can also be machined. c) Lower machining time. d) Higher tool life. 3. Which of the following operation, we can't perform on drilling machine? a) Reaming. b) Tapping. c) Lapping. d) None of the mentioned. 4. The drilling machine was primarily designed to originate a a) Flat surface. b) Cylindrical surface. c) Taper surface. d) None of the mentioned. 5. Lathe bed is usually made of: a) Structural steel. b) Stainless steel. c) Cast iron. d) Mild steel. 6-Internal or external tapers on a turret lathe can be turned by.... a) Face turning attachment. b) Taper turning attachment c) Sliding attachment. d) Morse taper attachment.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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A company makes two kinds of door Knobs, standard and deluxe ,the making process cost the company 15$ for the standard and 20$ for the deluxe by making on a grinder and a smoother machines, which they can be run for at most 80 hours a week, each standard one needs 2 hours on the grinder, and 4 hours on the smoother, and each deluxe one needs 4 hours on the grinder and 3 hours on the smoother ,the company sales at 25$,35$ for the standard and the deluxe respectively. To have the profit it wants the company decide to make at least 15 knobs from them at a week, formulate the linear programming model?
An emergency situation has arisen in the milling department, because the ship carrying a certain quantity of a required part from an overseas supplier sank on Friday evening. A certain number of machines in the department must therefore be dedicated to the production of this part during the next week. A total of 1000 of these parts must be produced, and the production cycle time per part = 16.0 min. Each milling machine used for this rush job must first be set up, which takes 5.0 hr. A scrap rate of 2% can be expected. Assume availability = 100%. (a)If the production week consists of 10 shifts at 8.0 hr/shift, how many machines will be required? (b)It so happens that only two milling machines can be spared for this emergency job, due to other priority jobs in the department. To cope with the emergency situation, plant management has authorized a three-shift operation for six days next week. Can the 1000 replacement parts be completed within these constraints?
The following data were obtained in a study taken on a horizontal milling machine:Parts produced per cycle: 8.Average measured cycle time: 8.36 minutes.Average measured stress time per cycle: 4.62 minutes.Average fast traverse time: 0.08 minutes.Average cutting time with electrical power: 3.66 minutes.Performance rating: 115%.Clearance (machine time): 10%.Slack (effort time): 15%.The operator works on the task 8 hours a day and produces 380 parts. How many standard hours does the operator work? What is the operator's efficiency for the 8-hour day?
The following data were obtained in a study taken on a horizontal milling machine:Parts produced per cycle: 8.Average measured cycle time: 8.36 minutes. Average measured stress time per cycle: 4.62 minutes. Average fast traverse time: 0.08 minutes. Average cutting time with electrical power: 3.66 minutes. Performance rating: 115%. Clearance (machine time): 10%. Slack (effort time): 15%. The operator works on the task 8 hours a day and produces 380 parts. How many standard hours does the operator work? What is the operator's efficiency for the 8-hour day?
Orthogonal cutting, in a machining process,The attacking team sawdust (α) is 10 ̊. operationchip (t0) 0.5 mm and machining beforeAfter the chip coating (tc) is 1,125 mm.Accordingly, in machining;a) Slip plane (ϕ),b) Shear strain (γ) calculator
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A toy manufacturing uses 51030 rubber wheels per year for its popular dump truck series. The firm makes its own wheels, which it can can produce at a rate of 800 per day. The toy trucks are assembled uniformly ( at a constant rate ) over the entire year. Carrying cost is $ 1.50 per wheel per year. setup cost for the production run of the wheel is $ 47. The firm operatyes 243 days per year. Determine each of the following: 1-Optimal run size 2-Use your final answer from part 1 to determine minimum total annual cost for carrying and setup 3-Cycle time for the optimal run size 4-Run time
: The output of a certain machine can be increased if it undergoes a major overhaul now and it will result additional cash flow of $ 20,000 at the end of each year for “N” years. If i = 15 % per year, how much can we afford to invest to overhaul this machine?
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A company uses various machines in the preparation of ice cream. The firm has been successful until recently when it noticed growing repair expenses for the various machines it uses. Over the past 20 months, the machines have broken down at the rate indicated in the following table: Each time a machine breaksdown, the company estimates that it loses an average of US$300 in production time and service expenses. Should the company opt to purchase a service contract for preventive maintenance by Angeles Machineries Inc., (AMI) there will still be breakdowns, averaging one breakdown per month. The price for this service by AMI is US$150 per month. a. If the company continues as is, what is the expected no. of breakdowns based on past history? b. What will be the cost of breakdowns per month to the company without a preventive maintenance contract? c. What will be the cost of breakdowns per month to the company with a preventive maintenance contract? d. Should they engage the…
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