i am in a dilemma here ...i have the solomon , J.D.Lee books to prepare from and H.C.Verma ...but except for these books do i need to also buy past years papers of arihant ,etc .?i am from ISC board ... thanks in advance

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consider the figure of a single riveted lap joint as follows

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cyclic heat engine operates between. temperature of 30 C. What is the least rate of heat rejection per kW net output of an engine. source temperature of 800 C and sink

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