WorksheetsSOM - SESSION 8
Total questions: 5
Worksheet time: 3mins
Name
Class
Date
1.
If , Final temp = 80°c ,Initial temp =10°c ,Rise in temp is =
a)
65°C
b)
70°C
c)
85°C
d)
90°C
2.
If α = 0.000012 , T = 70°C , l =2000mm ,then Free expansion =
a)
1.68mm
b)
1.50mm
c)
150mm
d)
168mm
3.
E = 2 X 105 α = 0.000012 T = 70°C ,Then Thermal stress =
a)
1.68
b)
1.5
c)
150
d)
168
4.
Stress which is induced in a body due to change in the temperature is known as
a)
Shear stress
b)
Tensile stress
c)
Thermal stress
d)
Compressive stress
5.
α = 17 X 106 ,
Thermal stress = 76.5 N/mm^2, E = 90 X 10^3 N/mm^2 , Then Rise in Temperature, T = ____________ °C
a)
50
b)
60
c)
55
d)
65
100 %
