Which one of the following is correct?

Malleability is the property by which a metal or alloy can be plastically deformed by applying

Diamond pin location is used in a fixture because

Consider the following statements:

In comparison to hot working, in cold working,

1. Higher forces are required

2. No heating is required

3. Less ductility is required

4. Better surface finish is obtained

Which of the statements given above are correct?

In metals subjected to cold working, strain hardening effect is due to

Consider the following statements:ex

When a metal or alloy is cold worked

1. It is worked below room temperature.

2. It is worked below recrystallization temperature.

3. Its hardness and strength increase.

4. Its hardness increases but strength does not increase.

Of these correct statements are–

Rotary swaging is a process for shaping

Which one of the following is the correct statement?

Extrusion process can effectively reduce the cost of product through

Metal extrusion process is generally used for producing

Consider the following statements:

In forward extrusion process

1. The ram and the extruded product travel in the same direction.

2. The ram and the extruded product travel in the opposite direction.

3. The speed of travel of the extruded product is same as that of the ram.

4. The speed of travel of the extruded product is greater than that of the ram.

Which of these Statements are correct?

Which of the following are correct for an indirect hot extrusion process?

1. Billet remains stationary

2. There is no friction force between billet and container walls.

3. The force required on the punch is more in comparison to direct extrusion.

4. Extrusion parts have to be provided a support.

Which one of the following methods is used for the manufacture of collapsible tooth‐paste tubes?

Which one of the following stress is involved in the wire drawing process?

A brass billet is to be extruded from its initial diameter of 100 mm to a final diameter of 50 mm. The working temperature of 700°C and the extrusion constant is 250 MPa. The force required for extrusion is

A 10 mm diameter steel wire is drawn through a die at a speed of 0.5 m/s to reduce the diameter by 20%. The yield stress of the material is 800 MPa and drawing stress for material is 357 Pa.

The power required for the drawing process (in kW) is

Which of the following powder production methods produces spongy and porous particles?

Assertion (A): Cutting tools made of high carbon steel have shorter tool life.

Reason(R): During machining, the tip of the cutting tool is heated to 600/700°C which cause the tool tip to lose its hardness.

Vanadium in high speed steels:

Diamond cutting tools are not recommended for machining of ferrous metals due to

Which one of the following is not a synthetic abrasive material?

Consider the following tool materials:

1. HSS

2. Cemented carbide

3. Ceramics

4. Diamond

The correct sequence of these materials in decreasing order of their cutting speed is

The helical flute in a twist drill provides the necessary

1. Clearance angle for the cutting edge

2. Rake angle for the cutting edge

3. Space for the chip to come out during drilling

4. Guidance for the drill to enter into the work piece

What does hydrostatic pressure in extrusion process improve?

The rake angle in a drill

The rake angle in a twist drill