Welcome to your Work shop calculation 2nd year MCQ-5 (- Elasticity)
1.Which is elastic material?
2.Which is thermo plastic material?
3.What is the maximum percentage of stretch of its original length is allowable for elastic materials?
4.What is the ratio between the change in dimension to its original dimension of the substance?
5.What is the unit of strain?
6.What is the ratio of change in length to original length?
7.What is the ratio between lateral strain and longitudinal strain?
8.Which symbol is used to express change in length?
9.Which one is the ratio of stress?
10.Which force acts on rivets?
11. What is the formula for bulk modulus?
12.Which law states that within elastic limit stress is directly proportional to strain?
13.What is the term used for maximum stress attained by a material before rupture?
14.What is the ratio between ultimate stress to working stress?
15.What is the ratio of ultimate load to area of original cross section?
16.What is the ratio of shear stress to shear strain?
17.What is the ratio between stress and strain?
18.Which force acts on crank shaft?
19.Which is thermosetting plastic?
20.What force will be required to punch a hole of 10 mm dia in a 1 mm thick plate, if the allowable shear stress is 50N/mm²? (π = 22/7)
21.What is the tensile stress if a square rod of 10 mm side is tested for a tensile load of 1000 kg?
22.What is the tensile strain if a force of 3.2 KN is applied to a bar of original length 2800 mm extends the bar by 0.5 mm?
23.How much strain is developed in an iron rod of 1 metre length gets elongated by 1 cm, if a force of 100 kg is applied at one end?
24.What is the youngs modulus if a wire of 2m long, 0.8 mm2 in cross section increases its length by 1.6 mm on suspension of 8 kg weight from it?
25.What is the safe stress if the ultimate stress of a material is 35 kg/mm² and factor of safety is 5?
