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Q. Explain Sand and moulding sands?
Sand according to the amount of clayey matter they contain, the moulding sands are classified as:
• Silica sand: Up to 20% clay.• Lean or weak sand: 2 to 10% clay• Moderately strong sand: 10 to 20% clay• Strong sand: Up to 30% clay• Extra strong sand: Up to 50% clay.
There are three types of sand used for making moulds: natural, synthetic and chemically coated.
Total decrease in length: Q: A hollow cast iron cylinder 4 m long, 300 mm is the outer diameter, and thickness of metal 50 mm is subjected to central load on top when standin
Find out load lifted by the machine: An effort of 400 N is applied in a lifting machine. The distance moved through effort is 4 m and that by load is 40 cm. If the efficiency
as diesel engine gives more milege than petrol engine then why we are using petrol engine..
The temperature limits of an ammonia refrigerating system are 25 O C and - 10 O C. if the gas is dry at the end of compression, determine the coefficient of performance of the cycl
Q. Can you explain Pneumatic gauges? Pneumatic gauges permit reading or recording water level at some distance from the river, say up to about 305 m. In a diaphragm type gauge,
Plot the root locus diagram for a system whose open loop transfer function is Evaluate the range of values for K for system to be stable.
FLUX SHIELDED ARC WELDING This process is popularly known as Submerged Arc Welding (SAW).This is a fully mechanised welding process. The electrode is a continuous metallic sol
problems
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explain wedge friction?with simple example? solve any simple problem in wedge friction
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