First Year WCS,Module 3-Metal properties

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COMMON FOR ALL ENGG.TRADES.("வேதனைகளை ஜெயித்துவிட்டால்
அதுவே ஒரு சாதனைதான்...")

NAME *

NAME OF THE ITI *

MOBILE NUMBER *

1: Which one is non-metal? *

1 point

A : Mercury

B : Graphite

C : Brass

D : Iron

2 : Which metal contains iron as a major content? *

1 point

A : Brass metal

B : Bronze metal

C : Zinc

D : Ferrous metal

3 : What is the name of the metal which do not contain iron? *

1 point

A : Ferrous metals

B : Non-ferrous metals

C : Insulating metals

D : Non-Insulating metals

4 : Which one of the following properties is the mechanical properties of metal? *

1 point

A : Fusibility

B : Ductility

C : Corrosion

D : Structure

5 : Which is brittle metal? *

1 point

A : Cast iron

B : Steel

C : Mild steel

D : Alloy stee

6 : Which mechanical property of a metal offers resistance to elastic deformation in a cutting tool? | *

1 point

A : Ductility

B : Malleability

C : Hardness

D : Toughness

7 : Which property of material enables to formation of permanent deformation without fracture? *

1 point

A : Elasticity

B : Plasticity

C : Ductility

D : Brittleness

8 : Which property of metal has its power of returning to its original shape after the applied force is released? *

1 point

A : Malleability

B : Tenacity

C : Elasticity

D : Plasticity

9 : Which property of a metal possessed by it melts when heat is applied? *

1 point

A : Conductivity |

B : Malleability

C : Fusibility

D : Tenacity

10 : Which alloy used in electric lamp as filament? *

1 point

A : Cobalt

B : Vanadium

C : Tungsten

D : Silicon

11 : What metals contained in brass alloy? *

1 point

A : Copper and aluminium

B : Copper and lead

C : Copper and zinc

D : Copper and tin

12 : Which cast iron cannot be welded? *

1 point

A : Grey cast iron

B : White cast iron

C : Malleable cast iron

D : Nodular cast iron

13 : What is the name of furnace to obtained cast iron? *

1 point

A : Cupola

B : Mild steel - Blast furnace

C : Steel - Rever battery

D : Alloy metal - Electric furnace

14 : What is the other name of low carbon steel? *

1 point

A : Low alloy steel

B : High alloy steel

C : High speed steel

D : Mild steel

15 : Which metal is widely used forma king casting of machinery parts? *

1 point

A : Grey cast iron

B : White cast iron

C : Malleable cast iron

D : Wrought iron

16 : Which metal cannot be forged? *

1 point

A : Alloy steel

B : Mild steel

C : Steel

D : Cast iron

17 : Which furnace is used to get pig iron from iron ore? *

1 point

A : Mild steel - Rever battery

B : Electric furnace

C : Blast furnace

D : Cupola

18 : What is the carbon percentage in medium carbon steel? *

1 point

A : 0.05% to 0.15%

B : 0.15% to 0.25%

C : 0.25% to 0.5%

D : 0.5% to 1.5%

19 : What is the carbon percentage in low carbon steel? *

1 point

A : 0.02% to 0.03%

B : 0.15% to 0.25%

C : 0.25% to 0.50%

D : 0.50% to 1.50%

20 : What is the carbon percentage in high carbon steel? *

1 point

A : 0.02% to 0.03%

B : 0.15% to 0.25%

C : 0.25% to 0.50%

D : 0.50% to 1.50%

21 : What is the ore of aluminium? *

1 point

A : Hematite

B : Mallatite

C : Bauxite

D : Lemonite

22 : Which property of a metal enable sit by which it can be drawn out into wire sunder tension without rupture? *

1 point

A : Ductility

B : Malleability

C : Hardness

D : Brittleness

23 : Which among the following is an insulator? *

1 point

A : Copper

B : Aluminium

C : Silver

D : Mica

24 : Which rubber is used as insulator for power cables and control wires? *

1 point

A : Butty

B : Hypalone

C : Silicon

D : Nitrite butadiene

25 : Which alloy steel is used to make permanent magnets? *

1 point

A : Silicon steel

B : Manganese steel

C : Vanadium steel

D : Cobalt steel

26 : Which insulating material is used for making switches? *

1 point

A : Porcelain

B : PVC

C : Bakelite

D : Ebonite

27 : What is the name of the property of an insulation that should brake down or puncture on application of high voltage? *

1 point

A : Di-electric strength

B : Specific resistance

C : Mechanical strength

D : Non absorption

28 : Which alloy steel is using for making precious instrument? *

1 point

A : Silicon steel

B : Manganese steel

C : Invar steel

D : Vanadium

29 : Which steel is used for making files and cold chisel? *

1 point

A : Low carbon steel

B : Midium carbon steel

C : High carbon steel

D : Stainless steel

30 : Which insulator is used in overhead lines? *

1 point

A : Mica

B : Rubber

C : P.V.C

D : Porcelain

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