Subject :NSO Class : Class 6
Read the given statements and mark the correct option.
Statement 1 : While fixing a metal rim on a wooden wheel of a cart, the size of the metal rim is kept slightly smaller than that of the wooden wheel.
Statement 2 : Metals expand on heating and contract on cooling.
A Both statements 1 and 2 are true and statement 2 is the correct explanation of
statement 1.
B Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
C Statement 1 is true and statement 2 is false.
D Both statements 1 and 2 are false.
metal rim is kept slightly larger than the wheel not smaller
Ans 1:
Class : Class 5
Ans 2:
Class : Class 7
Ans 3:
Class : Class 3
it can be kept both smaller and larger than wheel as metals expand on heating and contract on cooling
Ans 4:
Class : Class 9
charvi, statement one is true as aafter fixing on wood , matel needs to contract to get tighterhence , the size is slightly smalle than wood