Workshop Calculation and Science

Year 1 Module 6

1: Which refers the temperature        
A : It is a form of energy       

B : It tells the state of heat         
C : It tells specifie heat of substance            
D : It is measured by calorie meter   
      
2: What is the S.I unit of heat
A : Calorie   

B : Joule  
C : Centigrade heat unit    
D : British thermal unit    

3: Which instrument is used to measure heat       

A : Calorie meter    
B : Thermometer   
C : Pyrometer  
D : Barometer  

4: What is the quantity of heat required to raise the temperature of 1 gram of water through 1°C is called
A : Specific heat     

B : Colorie   
C : British thermal unit    
D : Centigrade heat unit    

5: What is the value for specific heat of water         
A : 4
B : 3
C : 2  

D : 1  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 



6: Which type heat is the heat absorbed or given off by a substance without changing its physical state
A : Latent heat    

B : Sensible heat    
C : Specific heat     
D : Latent heat of steam     
 
7: What is the boiling point of water in Fahrenheit scale

A : 212°F
B : 180°F
C : 112°F
D : 100°F  

8: What is the freezing point of water in kelvin scale (K)
A : 373°K  
B : 313°K  
C : 303°K

D : 273°K  

9: Convert 45°C (Centigrade) into °F (Fahrenheit).
A : 110°F  
B : 111°F  
C : 112°F  

D : 113°F  

10: At what temperature will Fahrenheit and centigrade thermometers give the same reading   
A : 38°C  
B : 39°C

C : 40°C
D : 41°C  

11: Convert  273°C (Centigrade) into kelvin scale

A : 0°K
B : 1°K  
C : 2°K
D : 3°K

12: What is the value in degree centigrade for 20°F
A : 6.37°C  
B : 6.47°C  
C : 6.57°C  

D : 6.67°C  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 



13: What is the maximum temperature that can be measured by mercury thermometer
A : 400°C

B : 300°  
C : 200°C  
D : 100°C  

14: What is the name of temperature measuring instrument    
A : Vapour pressure thermometer

B : Bimetalic thermometer  
C : Radiation pyrometer   
D : Thermoelectric pyrometer  
 
15: Which instrument is used to measure temperatures of red hot metals up to 3000°C

A : Radiation pyrometer   
B : Thermoelectric pyrometer   
C : Bimetal thermometer   
D : Alcohol thermometer    

16: Which type of heat transmission takes place through physical contact   

A : Conduction   
B : Convection   
C : Radiation  
D : Reflection   

17: Which kind of heat transmission takes places by upward flow   
A : Conduction    

B : Convection   
C : Radiation  
D : Reflection   

18: Which one is the radiation method of heat transmission
A : An iron rod is heated with one of its end and heat transmitted to other end   
B : Cold water goes to the bottom from top while on heating the water      
C : On heating gases heat transmitted to surroundings       

D : The heat from sun travels through the space          
   
19: What is called if the length of the solid expands when heated

A : Linear expansion   
B : Superficial expansion    
C : Cubical expansion   
D : Area expansion   

20: What is the change in length per unit original length per degree rise in temperature is called
A : Coefficient of friction   

B : Coefficient of linear expansion    
C : Coefficient of superficial expansion      
D : Coefficient of cubical expansion  

 

 

 

 

 

 

 

 

 

 

 

 

 

 


 
21: What is the unit of coefficient of linear expansion   

A : Number /°C  
B : Number /°C / meter length
C : Number /°C / mm length
D : Number /°C / cm length

22: What is term used for 2 x linear expansion
A : Coefficient of friction   
B : Coefficient of linear expansion

C : Coefficient of superficial expansion  
D : Coefficient of cubical expansion  
 
23: What is term called for 3 x linear expansion
A : Coefficient of friction   
B : Coefficient of linear expansion    
C : Coefficient of superficial expansion      

D : Coefficient of cubical expansion  
 
24: What is the coefficient of linear expansion of a rod if it is found to be 100 m long at 20°C and 100.14 m long at 100°C      
A : 1.75 x 104 / °C  

B : 1.75 x 105 / °C
C : 1.75 x 106 / °C
D : 1.75 x 107 / °C  

25: What is called for the amount of heat required to raise the temperature of unit mass of a substance through 1°C
A : Sensible heat    
B : Latent heat    

C : Specific heat     
D : Mixing of heat
   
26: How much quantity of heat is required?
m = 120 litres
t1 = 20°C
t2 = 85°C
S = 4.2
Q = _____ KJ   

A : 32750 KJ  

B : 32760 KJ  
C : 32770 KJ  
D : 32780 KJ  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


27: Calculate the amount of heat required to raise the temperature of 85.5 gm of sand from 20°C to 35°C specific heat of sand
A : 128.25 Joules
B : 125.28 Joules
C : 128.26 Joules
D : 126.28 Joules

28: What is the specific heat of the material if we require 510 calories to raise the temperature of 170 gm of material from 50°C to 80°C

A : 0.1  
B : 0.01
C : 1.1  
D : 1.11  

29: How much quantity of heat is required to raise the temperature of 300 grams of copper (sp.heat 0.092 cal/gram) from 25°C to 75°C in Kcal
A : 138 Kcal

B : 1.38 Kcal  
C : 207 Kcal  
D : 2.07 Kcal  

30: How much heat is absorbed by a copper ingot weighing 400 Kg is heated
A : 1521 Kcal
B : 1251 Kcal

C : 1152 Kcal
D : 1215 Kcal

31: What is called for the materials that restricts heat flow by radiation conduction and convection
A : Conductors    

B : Insulators   
C : Ferrous  
D : Nonferrous  

32: Which one is heat insulator       

A : Thermocole  
B : Copper  
C : Brass  
D : Aluminium  

33: Which one has the highest thermal conductivity   

A : Solid ice   
B : Melting ice   
C : Water  
D : Steam   

 

 

 

 

 

 

 

 

 

 

 

 

 

 



34: Which one of the following is not a property of heat insulating material  
A : Low conductivity   
B : Resistance to fire    
C : Less moisture absorption    

D : Ductility   

35: Which insulating material is most widely used in refrigerators            
A : Thermocole  

B : Polyurethane  
C : Glass wool    
D : Cork sheet   

36: Which one is a poor heat insulator      

A : Glass  
B : Cork  
C : Rubber  
D : Saw dust    

37: What is known for the temperature at which any solid melts into liquid  
A : Boiling point   

B : Melting point  
C : Latent heat of fusion     
D : Latent heat of vaporisation  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


   
38: What is the melting point of aluminium       

A : 660°C  
B : 680°C
C : 670°C
D : 620°C

39: What is the boiling point of aluminium    
A : 1897°C

B : 2519°C
C : 2469°C  
D : 660°C

40: What is the boiling point of water
A : 0°C
B : 32°C

C : 100°C
D : 212°C

41: What is the melting point of mercury
A : 357°C
B : 209°C
C : 7.1°C

D : 38.72°C  

42: What is the boiling point of mercury
A : 357°C
B : 280°C
C : 759°C
D : 767°C

43: What is the ratio of force (or) thrust per unit area
A : Work  
B : Power  

C : Pressure  
D : Energy  

44: What is the equivalent pascal value for 1 bar

A : 105 pascal
B : 107 pascal
C : 103 pascal
D : 109 pascal

45: What is the SI unit of pressure
A : Joule  

B : Pascal   
C : Bar  
D : Newton