WorksheetsUnit 3 - Introduction to Thermal Physics
Total questions: 10
Worksheet time: 10mins
Thermal physics is used in
Mechanical Engineering
Civil Engineering
Chemical Engineering
All the above
The process of increase in length of unit
length of the solid when its temperature is
raised by 1K is called
Linear expansion of solid
Superficial expansion of solid
Cubical expansion of solid
None
The unit of apparent expansion of liquid is
per K
K
3k
2K
Expansion joints are also called as
lateral joints
vertical joints
horizontal joints
movement joints
Strip made of two metals of different
expansion coefficient joined together is called
metallic strip
trimetallic strip
bimetallic strip
None
What is the accuracy of bimetallic thermometers?
+ or - 5% to 5% of scale
+ or - 2% to 5% of scale
+ or - 4% to 5% of scale
+ or - 3% to 5% of scale
The principle of refrigeration is based on
Third law of thermodynamics
First law of thermodynamics
Second law of thermodynamics
None
1 ton of refrigeration is equal to
200 kJ/min
210 kJ/min
310 kJ/min
300 kJ/min
---------------------- are electrical devices which
use dry heat to sterilize.
Double oven
ceramic oven
gas oven
Hot air ovens
Only ------------------ of solar energy reaches
every square meter of earth’s surface.
47%
57%
67%
77%
