STUDY LESSON:-7 [CIVIL ENGINEERING]
For Competitive exams/Railway jobs/Semester exam/Self Study Purpose
1. If Rectangular bar of L m length deforms l mm.Then the strain in the bar will be _________
2. What will be the ultimate Tensile Strength if a specimen is subjected to a load of 7.5 tonne in UTM whose cross-sectional area is 1cm² and neck area 0.6 cm² ____________
3. A bolt diameter 33 mm having a permissible tensile stress of 100N/mm² can safely carry a load of _______
4. The loss of strength Due to overloading causing compression is also known as _____________
5. A method where by over stressing the metal to increase a fatigue resistance by gradually increasing a loading is called _____________
6. The light gauge steel structural members are usually _____________
7. The limit of proportionality of hooke's law depends upon ____________
8. What will be the possion's ratio of a material if its young's modulus is twice than its modulus of rigidity _____________
9. The limiting value of a possion's raito are ____________
10. A working mechanism of a self supported steel chimney tends to generate the lateral force to the foundation by the nature of _________________
Note:- Try to attain yourself first then check for the answers...
Answers:-
1. 0.001l/L
2. 7.5tonnes/cm²
3. 60kN
4. Bauschinger effect
5. Coaxing
6. Cold rolled
7. the type of material
8. zero
9. -1 and +0.5
10. Cantilever action
3. A bolt diameter 33 mm having a permissible tensile stress of 100N/mm² can safely carry a load of _______
4. The loss of strength Due to overloading causing compression is also known as _____________
5. A method where by over stressing the metal to increase a fatigue resistance by gradually increasing a loading is called _____________
6. The light gauge steel structural members are usually _____________
7. The limit of proportionality of hooke's law depends upon ____________
8. What will be the possion's ratio of a material if its young's modulus is twice than its modulus of rigidity _____________
9. The limiting value of a possion's raito are ____________
10. A working mechanism of a self supported steel chimney tends to generate the lateral force to the foundation by the nature of _________________
Note:- Try to attain yourself first then check for the answers...
Answers:-
1. 0.001l/L
2. 7.5tonnes/cm²
3. 60kN
4. Bauschinger effect
5. Coaxing
6. Cold rolled
7. the type of material
8. zero
9. -1 and +0.5
10. Cantilever action
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