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