Properties Of Solids And Liquids Question 424

Question: A cylindrical steel alloy is inserted into a circular hole of diameter 2.60 m in a brass plate. When the plug and the plate are at a temperature 20C , the diameter of the plug is 0.010 mm smaller than that of the hole. The temperature at which the plug will just fit in is (given and αsteel=11×

106/C andαbrass=19×106/C )

Options:

A) 20C

B) 48C

C) 10C

D) None of these

Show Answer

Answer:

Correct Answer: B

Solution:

[b] 2.60+2.60×αsteelΔT=2.60αbrassΔT



जेईई के लिए मॉक टेस्ट

एनसीईआरटी अध्याय वीडियो समाधान

दोहरा फलक