STUDY LESSON:-1 [CIVIL ENGINEERING]
For Competitive exams,Semester exam,Self Study Purpose
1. The unit of True Strain are __________
2. If the load at the free end of Cantilever Beam is increased, the failure will occur _________
3. The Percentage reduction of area during tensile test on a cast iron specimen any be_________
4. The safe working Pressure for Spherical vessel 1.5m diameter and 1.5cm wall thickness with limiting tensile stress of 450kg/cm2 would be ____________
5. A cylindrical section having no joint is known as ______________
6. Rivets are generally specified by _____________
7. The strain energy stored in a specimen when strained within elastic limit is known as ___________
8. A solid Shaft of Steel of 100mm diameter Produces 100HP at (450/π) r.p.m. The Torque in kg-m on the Shaft would be _____________
9. A continuous Beam can be represented as a _____________
10. A Thin Cylinder contains fluid at a pressure of 30kg/cm3 the inside diameter of the shell is 60cm the tensile stress in the material is to be restricted to 900 kg/cm2. The Shell must have minimum wall thickness of _____________
Note:- Try to attain yourself first then check for the answers...
Answers:-
1. Dimension less
2. At the support
3. Negligible
4. 18kg/cm2[ Hint:- pf/4t]
5. Seamless joint
6. Shank Diameter
7. Resilience
8. 500kg-m[Hint:- 2πNT/4500]
9. Supported on more than two supportS
10. Hoop Stress,σ = 0.1cm [Hint:- pf/4t]
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