Inconel contains 80 % nickel and 14 % chromium. The other metal present in inconel is:

A metal-turning machine tool in which the work, while revolving on a horizontal axis, is acted upon by a cutting tool which is made to move slowly (feed) in a direction more or less parallel to the axis of the work (longitudinal feed), or in a direction of right angles to the axis of work (cross feed)

Exhibited by some materials, such as quartz crystals and some ceramic materials , such as cubic ferrites.

A process similar to roll forging

Thin metal pieces can be cut with saw by:

Monel contains mainly with traces of iron and manganese. The main alloying element of monel is:

A machine tool in which an abrasive wheel is used as a cutting tool to obtain a very high degree of accuracy and a smooth finish on metal parts, including soft and hardened steel.

Leaving a tab without removing any material

Bearing materials should posses which of the following?

In this structure, graphite exists largely in the form of flakes. When it is broken, the fracture path is along the graphite flakes and has, therefore gray, sooty appearance.

A hand tool which is commonly used for cutting or twisting wire and chipping small parts and not to be used for tightening or loosening bolts and nuts.

The following instrument can be used for subscribing lines parallel to the edges of a part:

The joints produced by this method are as strong as the parent metal.

Is generally defined as the capability of a material to undergo deformation without cracking

Wrought iron contains a maximum of which of the following?

A machine which is ordinarily used for finishing flat or partly curved surfaces of metal pieces few in number and not usually over a foot or too long.

Adjusting nut is provided on a micrometer screw gauge to:

Is a process of bending the edges of sheet metals, usually to 90 deg.

A place in which metal parts are cut to the size required and put together to form mechanical units of machines, the machine so made to be used directly or indirectly in the production of the necessities and luxuries of civilization.

A type of pliers which is used in electrical works for cutting heavy or light wires or for cutting small nails.

Which of the following is not belong to standard shapes of file?

Is a process in which a blank is forged into a shape with a tool that forms the blank in several small steps

One of the three basic ways of using a file which consists of stroking the file against the revolving workpiece held in the lathe.

Pig iron is produced by reduction of iron ore in a:

Uses to measure the hardness of rubber, plastics, and similar soft and elastic non – metallic materials

Alloys are extensively used in industry because they are:

Gun metal contains 5 to 10 percent of which of the following materials?

Which of the following is the trade name of polypropylene?

One of the three basic ways of using a file which is performed by grasping the file at end and pushing and drawing across the workpiece.

A type of pliers which is used for cutting wires and holding flat round stock.

The measuring accuracy of the following instruments is least.

Because of friction between the specimen and the platens, the specimen’s cylindrical surface bulges ; this effect is called..

Removing pieces ( or various shapes) from the edges

A solid rod or tube is subjected to radial impact forces by a set of reciprocating dies.

V-block is used in mechanical engineering workshop to check which of the following?

Improves strength and hardness at elevated temperatures..

The thickness of a thin sheet can be accurately checked with the help of:

Internal dovetail taper can be measured by which of the following?

Punching a number of holes in a sheet

For filing brass or bronze pieces, the following type of file is preferred.

A machine tool used mainly for producing holes in metal.

External taper of a job can be measured accurately with help of

The dies are heated to the same temperature as that of the hot workpiece.

Heading processing can be carried out cold, warm, or hot; they are be performed on machines called

The steel is formed into desired shapes within controlled ranges of temperature and time to avoid formation of non martensitic transformation products.

Were introduced in 1960’s. they typically 70% aluminum oxide and 30% titanium carbide

Grey cast iron gives grey fracture due to the presence of which of the following?

During the filing operation, the following precaution must be observed.

Combination set is used to:

Which of the following is a primary forming process?

One of the three basic ways of using a file which is done by pushing the file lengthwise, straight with or slightly diagonal to the workpiece.

Which one of the following is a finishing process?

A file which is tapered in thickness and of uniform width. This is used for filing slots and keyways.

To produced a regular shaped roughness on cylindrical surfaces, as in making knobs.

Test involves pressing a steel or tungsten – carbide ball 10 mm diameter against a surface , with a load of 500 kg, 1500 kg, or 3000 kg.

Formerly known as the diamond pyramid hardness test, uses a pyramid – shaped diamond indenter and a load ranges from 1kg to 120 kg

To enlarge a hole or cylindrical cavity made by a previous process or to produce circular internal grooves.

Y-alloy is an alloy of aluminum and which of the following metals?

Which of the following is the use of surface gauge?

Along with chromium and vanadium the main constituent of high speed steel is which of the following?

Which of the following is not a machining process?

The cleaning of a file is done by which of the following?

This test measures the depth of penetration instead of the diameter of the indention.

Of all known materials, the hardest substance is ______. It has low friction, high wear resistance and the ability to maintain a sharp cutting edge.

Involves joining two edges of sheet metal by hammering

In a complex phenomenon and maybe be caused by nonuniform deformation during rolling or by the presence of deflects in the original cast billet.

Which of the following is the most abundantly used material in industry?

Is essentially an upsetting operation, usually performed at the end of a round rod or wire in order to produce a larger cross-section.

Consist of pressing a hardened punch, having a particular tip geometry, into the surface of block of metal.

A file which is thick, rectangular-shaped file with parallel edges.

Is a phenomenon characterized by high permeability and permanent magnetization that are due to alignment of iron, nickel, and cobalt atoms into domains.

The system used for mass production of identical parts within specified limits of sizes for selection of components at random is known as:

Is usually defined as resistance to permanent indentation.

Is a phenomenon in which carbon atoms in steels segregates to dislocations , thereby pinning them and, in this way, increasing the resistance to dislocation movement.

Is the process whereby green compacts are heated in controlled – atmosphere furnace to a temperature below the melting point, but sufficiently high to allow bonding of the individual particles

Copper is the parent metal of brass. Which of the following is the other metal present in brass?

A ratchet screw is provided on a micrometer screw gauge to:

Which of the following process affects the changes in properties of materials?

Shearing the sheet into two or more pieces

A type of pliers which is used for cutting and holding fine wire. This is also useful in reaching tight places.

Which of the following are the main alloying elements present in stainless steel?