Numerade

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Shu Naito

Numerade educator

Q-06 | A forged steel bar, 50 mm in diameter, is subjected to a reversed bending stress of 250 N/mm2. The bar is made of steel 40C8 (Sut = 600 N/mm2). Calculate the life of the bar for a reliability of 90%. | 06 | CO4 Q-07 | Explain the standard procedure of design of belt as per manufacturer's catalogue. | 06 | CO4 | L4

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Anand Jangid

Numerade educator

A 30 cm thick wall of 5m x 3m size is made of red brick (k = 0.3 W/m °C). It is covered on both sides by layers of plaster, 2 cm thick (k = 0.6 W/m °C). The wall has a window size of 1m x 2m. The window door is made of 12 mm thick glass (k = 1.2 W/m °C). If the inner and outer surface temperatures are 15 °C and 40 °C. Make the calculation for the rate of heat flow through the wall.

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MUKESH B.