The angle of contact between a glass capillary tube of length 10 cm and a liquid is 90deg. If the capillary tube is dipped vertically in the liquid, then the liquid (a) Will rise in the tube (b) Will get depressed in the tube (c) Will rise up to 10 cm in the tube and will over flow (d) Will neither rise nor fall in the tube

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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