MAGADHA EMPIRE QUIZ

The cutting speed for drilling copper with high speed steel drills varies from

10 to 20 m/min

24 to 45 m/min

60 to 90 m/min

18 to 30 m/min

TRUE ANSWER : ?
YOUR ANSWER : ?

What is the type of welding defect caused due to shrinkage during solidification and by weld stresses called?

Mismatch

Lamellar tearing

Shrinkage void

Incomplete fusion

TRUE ANSWER : ?
YOUR ANSWER : ?

The height of each tooth of a broach is

Same throughout

In progressively increasing order

In progressively decreasing order

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

As tool and work are not in contact in EDM process

No wear of tool occurs

No relative motion occurs between them

No power is consumed during metal cutting

No force between tool and work occurs

TRUE ANSWER : ?
YOUR ANSWER : ?

The rear teeth of a broach

Remove minimum metal

Remove maximum metal

Perform burnishing operation

Remove no metal

TRUE ANSWER : ?
YOUR ANSWER : ?

The point angle of a drill, for drilling stainless steel, is

90°

118°

150°

135°

TRUE ANSWER : ?
YOUR ANSWER : ?

For generating a Coon’s surface we require

A set of grid points on the surface

Two bounding curves and a set of grid control points

A set of grid control points

Four bounding curves defining the surface

TRUE ANSWER : ?
YOUR ANSWER : ?

When the temperature of a solid metal increases,

Strength of the metal decreases but ductility increases

Both strength and ductility of the metal increases

Strength of the metal increases but ductility decreases

Both strength and ductility of the metal decreases

TRUE ANSWER : ?
YOUR ANSWER : ?

Segmental chips are formed during machining

Mild steel

High speed steel

High carbon steel

Cast iron

TRUE ANSWER : ?
YOUR ANSWER : ?

The cutting speed for counter-boring should be _________ that of drilling operation.

Greater than

Equal to

None of these

Less than

TRUE ANSWER : ?
YOUR ANSWER : ?