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(a) A steel bolt 650 mm2 cross-sectional area passes centrally through a copper tube to 1200mm2 cross-sectional area. The tube is 500mm long and closed by rigid washers, which are fastened by the threads on the steel bolt. The nut is now tightened by ¼ of a turn. Evaluate the stress in the bolt and the tube if the pitch of thread is 3 mm. Take :
Es = 2.05 x 105 N/mm2
Ec = 1.1 x 105 N/mm2
(b) Differentiate between ductile and brittle materials. Name any five ductile and brittle materials.
The following data were obtained in a boiler trail: Mass and temperature of feed water: 680 kg/hr and 20 0 C, Steam temperature and its pressure : 15bar and 300 0 C, Coal used
Resultant of Non coplanar concurrent force system: How do you find resultant of Non coplanar concurrent force system? Sol.: The resultant of non concurrent force system
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the component of computer integrated manufacturing with the diagram
how to make ? what are the components needed ?
In an orthogonal cutting process, following data were taken. Chip length of 80mm was obtained with an uncut chip length of 200mm and the rake angle used was20 degrees and depth of
a misile is fired at speed v and an angle m that is inclide at an angle r to the horizontal.calculate the range
What is the Drilling operation Drilling operation can only performed in vertical direction. Hence drilling hole at angle is not performed by drilling machine. It is a big drawb
A four-stroke, single cylinder gasoline engine having a bore of 90 mm and stroke of 100 mm has a compression ratio 7. The relative efficiency is 55% when the shown specific fuel co
Objectives After studying this section, you should be capable to: known properties that are essential to be present in a material for high temperature applications,
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