50 cc of water at 25 Degree Centigrade is mixed with 50 cc of water at 25 Degree Centigrade

500 cc of milk at 15 25 Degree Centigrade is mixed with 100 cc of water at 15 25 Degree Centigrade

5 kg of wet steam at 100 Degree Centigrade is mixed with 50 kg of dry and saturated steamat 100 Degree Centigrade

10 cc of water at 20 Degree Centigrade is mixed with 10 cc of sulphuric acid at 20 Degree Centigrade

The height of the centres measured over the lathe bed

Swing diameter over the bed

Swing diameter over the carriage

Any one of the above

When its metacentric height is zero

When its c.g. is below its centre of buoyancy

When its metacentre is above c.g.

None of the above

an open cycle

a closed cycle

both open and closed cycles

None of the above

To supply water at constant pressure

To relieve water hammer pressures in the penstock pipes

To produce surges in the pipeline

All of the above