Tapering of the sides of the pattern in the direction parallel to which the pattern is drawn out from a mould is called as

Shake

Drag

Draft

Sprue

heat supplied/work done

heat rejected/heat supplied

work done/heat supplied

work done/heat rejected

more than Otto and diesel cycle

less than Otto and diesel cycle

more than Otto cycle and less than diesel cycle

more than diesel cycle and less than Otto cycle

Improves volumetric efficiency for the given pressure ratio

Reduces work done per Kg of air

Gives more uniform torque

All of the above

Single side of the piston

Both sides of the piston

Both (1) and (2)

None of above