Mechanical tools

Iron hand rail

RIVET AND RIVETING

Specify rivets The common types of rivets and state their uses Rivets are cylindercal …

BENDING &TWISTING TOOLS FOR METALS

The different bending tools The uses of twisting and scroll bending The prevention of …

METALS USED IN SHEET METAL WORK

The types of metals used in sheet metsl work The uses of the different types of meta…

HEATING AND FORGING

.Name the fuels used in hand forging . qualities of a good forge fire . the correct me…

FORGE AND ITS ACCESSORIES

. function of a forge . the parts of a forge and state their functions . identify the …

HEAT TREATMENT OF HIGH SPEED STEEL

The necessary of preheating high speed steel The hardening process of high speed ste…

NITRIDING AND FLAME HARDENING OF STEEL

. state the process of case hardening by gas nitriding . state the process of case har…

SURFACE HARDENING OF STEEL

. n ame four different types of surface hardening process . the purpose of case harden…

Hot and cold working of metals

. advantage and disadvantage of hot working metal . advantage and disadvantage of cold…

DIFFERENT TYPES OF FRICTION

. meaning of friction . advantage and disadvantage of friction . different types of fr…

Hardening and Temaparing of steel

. the principle of hardening . the effect of the carbon content in hardening . the pro…

EFFECT OF CARBON IN STEEL

. effect of carbon on the mechanical properties of steel. Steel  can be defined as an …

TYPES OF HEAT TREATMENT OF STEELS

. purpose of heat treatment . purpose of annealing . difference between the processess…

Heating and cooling process of steel

.   structural changes of plain carbon steel while heating . the structural changes of…