Workshop Calculation and Science
Year 1 Module 3
1 : Which one is nonmetal
A : Mercury
B : Graphite
C : Brass
D : Iron
2 : Which metal contains iron as a major content
A : Brass metal
B : Bronze metal
C : Zinc
D : Ferrous metal
3 : What is the name of the metal which do not contain iron
A : Ferrous metals
B : Nonferrous metals
C : Insulating metals
D : Non Insulating metals
4 : Which one of the following properties is the mechanical properties of metal
A : Fusibility
B : Ductility
C : Corrosion
D : Structure
5 : Which is brittle metal
A : Cast iron
B : Steel
C : Mild steel
D : Alloy steel
6 : Which mechanical property of a metal offers resistance to elastic deformation in a cutting tool
A : Ductility
B : Malleability
C : Hardness
D : Toughness
7 : Which property of material enables to formation of permanent deformation without fracture
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
A : Malleability
B : Tenacity
C : Elasticity
D : Plasticity
9 : Which property of a metal possessed by it melts when heat is applied
A : Conductivity
B : Malleability
C : Fusibility
D : Tenacity
10 : Which alloy used in electric lamp as filament
A : Cobalt
B : Vanadium
C : Tungsten
D : Silicon
11 : What metals contained in brass alloy
A : Copper and aluminium
B : Copper and lead
C : Copper and zinc
D : Copper and tin
12 : Which cast iron cannot be welded
A : Grey cast iron
B : White cast iron
C : Malleable cast iron
D : Nodular cast iron
13 : Which metal cannot be forged
A : Alloy steel
B : Mild steel
C : Steel
D : Cast iron
14 : Which metal is widely used for making casting of machinery parts
A : Grey cast iron
B : White cast iron
C : Malleable cast iron
D : Wrought iron
15 : Which furnace is used to get pig iron from iron ore
A : Mild steel Rever battery
B : Electric furnace
C : Blast furnace
D : Cupola
16 : What is the name of furnace to obtained cast iron
A : Cupola
B : Mild steel Blast furnace
C : Steel Rever battery
D : Alloy metal Electric furnace
17 : What is the other name of low carbon steel
A : Low alloy steel
B : High alloy steel
C : High speed steel
D : Mild steel
18 : What is the carbon percentage in medium carbon steel
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
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
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
A : Hematite
B : Mallatite
C : Bauxite
D : Lemonite
22 : Which property of a metal enables it by which it can be drawn out into wires under tension without rupture
A : Ductility
B : Malleability
C : Hardness
D : Brittleness
23 : Which among the following is an insulator
A : Copper
B : Aluminium
C : Silver
D : Mica
24 : Which rubber is used as insulator for power cables and control wires
A : Butyl
B : Hypalone
C : Silicon
D : Nitrite butadiene
25 : Which alloy steel is used to make permanent magnets
A : Silicon steel
B : Manganese steel
C : Vanadium steel
D : Cobalt steel
26 : Which insulator is used in over head lines
A : Mica
B : Rubber
C : P.V.C
D : Porcelain
27 : Which insulating material is used for making switches
A : Porcelain
B : PVC
C : Bakelite
D : Ebonite
28 : What is the name of the property of an insulation that should brake down or puncture on application of high voltage
A : Dielectric strength
B : Specific resistance
C : Mechanical strenth
D : Non absorption
29 : Which alloy steel is using for making precious instrument
A : Silicon steel
B : Manganese steel
C : Invar steel
D : Vanadium
30 : Which steel is used for making files and cold chisel
A : Low carbon steel
B : Medium carbon steel
C : High carbon steel
D : Stainless steel