WORKSHOP TECHNOLOGY QUIZ

The directional solidification in casting can be improved by using

Chills and padding

Chills, chaplets and padding

Chills and chaplets

Chaplets and padding

TRUE ANSWER : ?
YOUR ANSWER : ?

The hot working of metals is carried out

At the recrystallisation temperature

Above the recrystallisation temperature

Below the recrystallisation temperature

At any temperature

TRUE ANSWER : ?
YOUR ANSWER : ?

The process of increasing the cross-section of a bar at the expense of its length, is called

Drawing down

Spinning

Upsetting

Peening

TRUE ANSWER : ?
YOUR ANSWER : ?

The increase in hardness due to cold working, is called

Flame hardening

Age hardening

Work hardening

Induction hardening

TRUE ANSWER : ?
YOUR ANSWER : ?

The electrode tip diameter (d) in spot welding should be equal to (where t = Thickness of plate to be welded)

√t

1.5 t

6 t

3 t

TRUE ANSWER : ?
YOUR ANSWER : ?

A basic hole is one whose

None of these

Lower deviation is zero

Lower and upper deviations are zero

Upper deviation is zero

TRUE ANSWER : ?
YOUR ANSWER : ?

A diamond pointed chisel is used for cutting

Flat surfaces

Grooves

V-shaped grooves

Key-ways

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following methods can be used for manufacturing 2 meter long seamless metallic tubes?

Extrusion and rolling

Extrusion

Rolling

Drawing

TRUE ANSWER : ?
YOUR ANSWER : ?

In a gas welding of mild steel using an oxyacetylene flame, the total amount of acetylene consumed is 10 litres. The oxygen consumption from the cylinder is

5 litres

15 litres

10 litres

20 litres

TRUE ANSWER : ?
YOUR ANSWER : ?

In sheet metal work, he cutting force on the tool can be reduced by

Grinding the cutting edges sharp

Increasing the hardness of tool

Increasing the hardness of die

Providing shear on tool

TRUE ANSWER : ?
YOUR ANSWER : ?

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