The stability of Me2C = CH2 is more than that of MeCH2CH = CH2 due to A. inductive effect of the Me group B. resonance effect of the Me group C. hyperconjugative effect of the Me group D. resonance as well as inductive effect of the Me group

in a physics laboratory a block x is balanced by a block Y of mass 200 kg,each are suspended from a balance of equal lever arms .the scale pan on X is at a height.H1=2 cm ,where as scale pan on Y is at height 1 cm above the floor.the error in weighing is (in gram)

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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