Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Determine change in length of the bar:
A steel bar is subjected to loads as shown the given figure. Determine change in length of the bar ABCD of 18 cm diameter. E = 180 kN/mm2.
Sol.:
As d = 180mm
E = 180 × 103 N/mm2
LAB = 300mm
LBC = 310mm
LCD = 310mm
From the given figure
Load on portion AB = PAB = 50 × 103 N
Load on portion BC = PBC = 20 × 103 N
Load on portion CD = PCD = 60 × 103 N
Area of portion AB = Area of portion BC = Area of portion CD = A = Πd2/4
= (180)2/4 = 25446.9 mm2
By using relation l = Pl/AE
δLab = (50 × 103 × 300)/( 25446.9 × 180 × 103) = 0.0033mm ---------------- Compression
δLbc = (20 × 103 × 310)/( 25446.9 × 180 × 103) = 0.0012mm ---------------- Compression δLcd = (60 × 103 × 310)/( 25446.9 × 180 × 103) = 0.0041mm ---------------- Compression As net change in length = - δ Lab - δ Lbc - δ Lcd
= - 0.0033 - 0.0012 - 0.0041
= - 0.00856 mm
Decrease in length = 0.00856mm .......ANS
two prepety rule
Explain concept of Reaming and boring of radial drilling machine Reaming Reaming is accurate way of sizing and finishing the pre-existing hole. Multi tooth cutting tool. A
Find the speed of shaft : Find the speed of shaft driven with the belt by an engine running at 600 rotation per minute. The thickness of belt is 2cm, diameter of engine pulle
Q. Design Safe Areas for plant? A Safe Area in this manual is regarded as a space that is not ranked as being a designated hazardous area by the relevant Regional or Country st
We have a reciprocating compressor operating at 800 rpm. Suction pressure and discharge pressure are held constant by other systems that have nothing to do with the compressor. W
How can I achieve a back and forth movement of carriage system. How can I reverse the motor to go back and forth.
A shaft carries three pulleys A,B and C. the pulleys B and C being 1.2m and 2.1m from A. the pulleys are out of balance to the extent of 0.03, 0.05 and 0.04kg.m respectively and ar
BASIC PRINCIPLE OF ELECTRON BEAM WELDING(EBW) Electron beam welding which utilises a heat source of electrons which are accelerated by an electric field to mextremely high
I was wondering if anyone could help me design an aid for my pet rat that has hind leg degeneration. I have a long slope where i can train him to climb on some kind of trolley and
calculate stress intensity factor
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd