The vapour pressure of a solution of two liquids, A (po = 80 mm, x = 0.4) and B (po = 120 mm, x = 0.6) is found to be 100 mm. It shows that the solution exhibits
(A) Negative deviations from ideal behavior
(B) Positive deviations from ideal behavior
(C) Ideal behavior
(D) Positive deviations for lower concentration and negative deviations for higher concentration.

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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