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Two machining operations, A (3 minutes per part) and B (10 minutes per part), are performed sequentially to manufacture a part. Machines A and B produce 5% and 6% defective items, respectively. The factory operates 8 hours each day, 5 days per week, 4.2 weeks per month. Every day each machine needs 0.30 hour for being set up. Find the machine fraction for each type (A and B) if we need to handle a demand of 1000 items per month. Use a machine-up factor equal to 85% for each machine.
The Bronzes The coinage bronze employed for making coins in earlier days contains 95% copper, 4% Sn and 1 % Zn. The Zn acts as a deoxidizer. Such alloy is soft and ductile.
(a) Describe that Energy is a point function and a property of the system. (b) What is the essence of 1 st law of thermodynamics ? Write down expression for the first law appli
Pneumatic system is a system that uses air to power something. For example, have you seen the tube systems at bank drive-up tellers? Air is used to drive the tubes back and forth f
(a) Enlist and describe the several mechanical properties of commonly used engineering materials. (b) State the objectives and applications of case-hardened components.
how is varignons theorem useful in engineering mechanics
Find out the reactions at point: A beam AB is hinged at A and is supported at C. It is loaded as revealed in Figure. Find out the reactions at A and C. Solution L
Explain the Advantages of Automation 1. There is an increase in productivity. 2. The unit cost is reduced as larger number of components can be manufactured in shorter time
how mechanism can be synthesized using relative pole method?
Q. Use of Stainless Steels in welding? Considerable care must be exercised to obtain sound, crack-free welds. These difficulties are pronounced when welding very high-chromium
What is entropy microscopically
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