Two strips of equal volume and length are joined together as shown in – McqOptions

MCQOPTIONS

1.	Two strips of equal volume and length are joined together as shown in the diagram. What will happen when they are heated? Assume that the thermal coefficient of expansion of 1 is greater than that of 2.
A.	Increase in length will be equal for both
B.	Bend with 1 on convex side
C.	Break rather than change length
D.	Bend with 2 on convex side
Answer» C. Break rather than change length

Discussion

No Comment Found

Related MCQs

Two strips of equal volume and length are joined together as shown in the diagram. What will happen when they are heated? Assume that the thermal coefficient of expansion of 1 is greater than that of 2.
A rod having α = 1*10-5per °C and length of 70cm has one of its end rigidly connected to another rod of length 1m and α= 0.5*10-5per °C. Find the new length of the two joined rods when their temperature is increased by 30℃.
What is the unit of coefficient of area expansion?
A uniform metal sheet has a hole in its centre. What happens to hole when the sheet is uniformly heated?
What is the value of coefficient of area expansion for a sphere? Assume coefficient of linear expansion is α.
A rod is lying on the ground with both ends free. It has a length of 1m. Coefficient of linear expansion equal to 1.1*10-5per &degC. Calculate the strain when the change in temperature is 10K.
What is the relation between coefficient of area expansion(A) and coefficient of volume expansion(B)?
What is the value of coefficient of volume expansion for an ideal gas?
The value of coefficient of thermal expansion is always the same for a material. True or False?
It is possible that with decrease in temperature volume may increase. True or False?