Hydraulic system operates on

• Compressible oil

• Compressible air/gas

• In compressible oil

• In compressible air/gas

One of the following saws can be used for cutting metals.

• Tenon saw

• Dovetail saw

• jig saw

• hack saw

Pneumatic system is used in the food industry because...

• It is good for preserving food

• It does not conterminate food

• It makes the food more edible

• It reduces the potency of the food

The name of the machine shown is .............

• Portable power drill

• Pillar drilling machine

• Lathe machine

• Milling machine

Which of the following scales is used for drawing objects to its size?

• 1:1

• 1:2

• 2:1

• 2:3

The part of the tree that contains the dead cells is ............

• Pith

• Heartwood

• Sapwood

• Back

The triangle with 2 equal sides is called ..... triangle.

• Scalene

• Isosceles

• Equilateral

• Right

All the following are materials used for concrete bench EXCEPT

• Oil

• Cement

• Sharp sand

• Granite

In order to mix the concrete very well, one needs ...................

• Fork and knife

• Spoon

• Shovel

• Hand trowel

One of the following properties makes iron to be attracted to magnet.

• Ductility

• Fusibility

• Hardness

• Magnetability