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GATE 2024 Heat Transfer 79
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Question 1
A steam boiler is to be designed for a working pressure of 2.5 MPa with its inside diameter of 1.6 m and thickness is 30 mm. If number of rivets is 45 per row and diameter of each rivet is 35 mm, then the efficiency (%) of circumferential joint is:
Question 2
A plate 100 mm wide and 20 mm thick is to be welded to another plate using double parallel fillets. The plates are subjected to a static load of 70 kN. Find the length of weld if the permissible shear stress in the weld does not exceed 50 MPa.
Question 3
Find the total length of weld required to with stand the load of 100kN. Permissible shear stress in weld is 70N/mm² and leg of weld is 10mm.
Question 4
Which of the following are important parts of knuckle joint?
Question 5
Calculate the efficiency of the circumferential joint if pitch of rivets is 60 mm and diameter of rivets is 22 mm _________.
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