Knurling is an operation
A.Of cutting smooth collars
B.Of under cutting
C.Done prior to screw cutting
D.Of generally roughing the surface for hand grip
E.Done without use of coolant
Category: Production Engineering Mcqs
Principal materials used in soldering are
A.Tin and lead
B.Copper and tin
C.Zinc and copper
D.Copper and lead
E.None of the above
In sand moulding the bottom flask is called
A.Cope
B.Drag
C.Check
D.Fillet
E.Riddle
If a drill does not cut; the probable cause would be
A.Drill blunt
B.Material difficult to drill
C.Speed low
D.Absence of coolant
E.None of the above
A pattern maker’s contraction rule accounts for
A.All pattern allowances
B.All materials to be cast
C.All materials of the pattern
D.Only shrinkage, draft and distortion allowances
E.Only shrinkage allowance
In a drilling operation
A.Torque is equal to the axial force
B.Torque is more than the axial force
C.Torque is less than the axial force
D.Torque is half the axial force
E.None of above
In metal cutting operations shear angle is defined as the angle
A.Made by the plane of shear with the direction of tool travel
B.Made by the shear plane with the tool axis
C.Made by shear plane with the central plane of work piece
D.None of the above
Which one of the following is supposed to be least accurate?
A.Air gauge
B.Surface plate
C.Optical projector
D.Vernier micrometer
E.Steel scale
In a cupola
A.Tape hole is below wind box
B.Tape hole is above wind box
C.Slag spout is above wind box
D.Slag spout is below tape hole
E.Wind box and tap hole are at the same level
A hot chisel is one which is
A.Red hot
B.Used to cut red hot materials
C.Used to cut cold materials
D.None of these
