Chapter 5 · MCQ Read Mode

Manufacturing Technology

Which pattern allowance is negative?

Draft allowance is provided on patterns to:

Low permeability of moulding sand mainly causes:

Chaplets in a mould are used to:

The sprue in a gating system is tapered downwards to:

According to Chvorinov's rule, solidification time is proportional to:

Grey cast iron is usually melted in a:

Turbine blades and jewellery are generally produced by:

Hot-chamber die casting is suitable for:

Cast iron pipes are best produced by:

A casting defect caused when two streams of metal meet but fail to fuse is:

Hot tears in castings are mainly caused by:

In full annealing, steel is cooled:

Normalising differs from annealing mainly in that the steel is:

The structure obtained by quenching steel from the austenitic range is:

The purpose of tempering hardened steel is to:

Hardenability of steel is measured by the:

Austempering produces a structure of:

Which case-hardening process does NOT require quenching after treatment?

Cyaniding is carried out in a bath of:

Carburising is generally applied to:

Induction hardening depth is reduced by:

In powder metallurgy, sintering is done at a temperature:

Self-lubricating bearings are made by powder metallurgy and then:

The temperature that distinguishes hot working from cold working is the:

Which of the following is an advantage of cold working over hot working?

In a four-high rolling mill, small work rolls are backed by larger rolls to:

The maximum possible draft in rolling is given by:

Forged components are stronger than cast components mainly because of:

The forging operation that increases the cross-section of a bar by reducing its length is:

In indirect (backward) extrusion:

Toothpaste tubes and aluminium cans are produced by:

Wire drawing is a process in which the metal is:

A cold squeezing operation used to make coins and medals is:

In blanking, the clearance between punch and die is provided on the:

Shot peening improves the fatigue strength of components by:

Discontinuous chips are generally formed when machining:

According to Merchant's theory, the shear angle φ is:

In Taylor's equation VTn = C, the value of n for carbide tools is about:

Diamond tools are NOT suitable for machining steel because:

The tool material with the highest hot hardness among these is:

A turret lathe differs from a capstan lathe in that the turret is mounted on:

Using a dividing head with 40:1 ratio, the crank movement for 5° angular indexing is:

Milling two parallel vertical faces of a workpiece simultaneously with two side cutters is:

In centreless grinding, the workpiece is rotated and fed by the:

The finishing process used for engine cylinder bores that produces a cross-hatch pattern is:

Broaching is most suitable for producing:

A die that performs blanking and piercing at one station in one stroke is a:

The heat-affected zone (HAZ) in a weld is the region that:

The most difficult welding position is:

In TIG welding, the electrode is:

Aluminium is usually TIG welded using AC because AC:

Submerged arc welding is mostly limited to:

In the electrode designation E7018, '70' indicates:

Heat generated in resistance spot welding is given by:

Automobile body sheets are mostly joined by:

Railway rails are commonly joined in the field by:

Brazing differs from soldering mainly in that brazing uses a filler metal melting:

The flux commonly used in brazing is:

Undercut in a weld is mainly caused by:

A solid modelling technique that combines primitives using Boolean operations is:

The file format most commonly used to send a CAD model to a 3-D printer is:

In CNC, a central computer controlling several CNC machines is called:

In CNC machine axes convention, the Z-axis is:

The G code for linear interpolation at feed rate is:

The code G91 specifies:

The M code for spindle ON clockwise is:

A CNC machining centre is distinguished by its:

Stereolithography (SLA) builds parts by:

Fused deposition modelling (FDM) uses:

A flexible manufacturing system is best suited to:

Grouping of parts with similar design and manufacturing features into families is called: