L2 Mechanical quiz 15/02/24

A beam pivots about it's fulcrum. If a weight is applied, what would be the resultant force?

• 1.2Nm

• 1.4Nm

• 1.6Nm

• 1.8Nm

Which material is used to insulate electric cables?

• Polyvinyl Chloride (PVC)

• Nylon

• Polythene

• Bakelite

Which material would exhibit the greatest elasticity?

• Plastic

• Rubber

• Nylon

• Aluminium

• Copper

Which one of the following terms defines ductility?

• A material that has the ability to be beaten or rolled without cracking

• A material that can withstand larger forces that weaker materials

• A material that can be drawn out into fine wire

• A material which will withstand repeated blows without fracture

Grey cast Iron would be selected for its ability to resist what?

• Tensile strength

• Compressive strength

• Shear strength

• Abrasions

The 0-25mm micrometer can measure to an accuracy of what?

• 0.01mm

• 0.02mm

• 0.10mm

• 0.001mm

Which term is not a form of supply for a material?

• Granules

• Casting

• Liquids

• Gases

The composition of Brass consists of ?

• 97% copper, 2.5% zinc and 0.5% tin

• 60% copper and 40% zinc

• 40% copper and 60% zinc

• 80% copper, 15% zinc and 5% tin

BS 4500 refers to?

• Solder standards

• Drawing standards

• Limits and fits

• Quality management

Which fit will give a running fit between a shaft and a hole?

• Clearance

• Interference

• Transition

• Press fit