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In liquids and gases, convection is the primary mode of heat transfer. Hot liquid becomes lighter (lower density) and rises, while cooler liquid (higher density) sinks, creating convection currents. Conduction happens mainly in solids; radiation involves electromagnetic waves and does not need a medium.
Statements:Some teachers are Lectures.
All professors are lecturers.
All lecturers are students.
Conclusions:I. Some students are t...
Statement:
All cars are scooters.
All cars are vans.
Some scooters are ambulances.
No ambulances are trai...
Statements:
All dogs are cats
Only a few rat is cat
No parrot is dog
Conclusions:
I. Some parrots are c...
Statements:
No pen is box.
No box is pencil.
No pencil is eraser.
Conclusions:
I. No pen is pencil.
II. ...
Statements:
Some river is sea.
Only sea is ocean.
Conclusions:
I. All ocean can be river.
II. All sea can be river.
Some diaries are not pencils. All notebooks are papers. Some diaries are not notebooks
Statements:
Some Marble are Colour
Only a few Colour is Tile
Only Tile is Floor
Conclusions:
I. All Tile being Colour...
In the following question below are given some statements followed by some conclusions based on those statements. Taking the given statements to be tru...
Statements:
All aeroplanes are trains.
Some trains are chairs.
Conclusions:
I. Some aeroplanes are chairs.
II. So...
In this question, three statements are given, followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to ...