Question:

Which process is used for machining parts to planned dimensions?

A.

Shearadising

B.

Swaging

C.

Electroforming

D.

Anodizing

Answer» e. Routing

Question:

Which of the following is the ductile material?

A.

Aluminium

B.

Zinc

C.

Brass

D.

Silver

Answer» d. Silver

Question:

The structure of a semi-conductor resemles that of a

A.

circle

B.

rhombus

C.

diamond

D.

triangle

Answer» c. diamond

Question:

A bot in cupola is

A.

A part of coupla

B.

A defect in casting

C.

A kind of cast iron

D.

A flux

Answer» a. A part of coupla

Question:

Polymers

A.

Semi-conductors

B.

Can be vaporised but cannot be recycled

C.

Can be recycled but cannot be vaporised

D.

Can be vaporised as well as recycled

Answer» e. Can neither be vaporised nor recycled

Question:

The depth hardness of steel increases by the addition of

A.

Silicon

B.

Nickel

C.

Manganese

D.

Sulphur

Answer» e. Chromium

Question:

Micro-structure of a material is generally examined by

A.

Spectroscope techniques

B.

Optical microscope

C.

X-rays and electron diffraction

D.

Naked eye

Answer» e. Microscope

Question:

Hot tear

A.

Is a defect in castings

B.

Is a process involving heating

C.

Is a defect in wood

D.

Is a phenomenon occurring in materials ixposed to weather e.g. sun and rain

Answer» a. Is a defect in castings

Question:

Cold work is done on the metal

A.

Below the thermal critical range

B.

Above the thermal critical range

C.

At zero degree centigrade temperature

D.

After slightly warning the metal in furnace

Answer» a. Below the thermal critical range

Question:

Corrosion is a destructive attack on metals

A.

Which may be chemical or electrochemical in nature

B.

Which is basically caused by atmospheric air

C.

Which is caused by contact with other metals

D.

At high temperature

Answer» a. Which may be chemical or electrochemical in nature