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Q. Explain basic types of Sand testing?
Moulding sands should be of proper quality to meet the required level of accuracy and surface finish of castings. Proper quality of the moulding sand will result in Sound castings that will decrease the cost and increase the production.
The following tests have been recommended by B.I.S.
• Moisture content test
• Clay content test
• Permeability test
• Fineness test or Sand grain size test
• Strength test
• Mould hardness test.
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(a) Enlist and describe the several mechanical properties of commonly used engineering materials. (b) State the objectives and applications of case-hardened components.
What do you understand by interference between two mating gears ? if interference between two involutes gears is to be avoided then show that the maximum length of arc of contact w
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(a) What is the function of a throttle valve? Where it is used? (b) How do we adjust throttle free play?
WHICH IS THE BEST ONLINE MONITORING SYSTEM FOR GAS METAL ARC WELDING
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definition and picture of hyreaulic ram
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