Mechanical Engineering Mcqs — Test 24
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Question 1
Which of the following materials is most elastic_________________?
Question 2
In a tensile test on mild steel specimen, the breaking stress as compared to ultimate tensile stress is_________________?
Question 3
Which of the following has no unit __________________?
Question 4
During a tensile test on a specimen of 1 cm cross-section, maximum load observed was 8 tonnes and area of cross-section at neck was 0.5 cm2. Ultimate tensile strength of specimen is___________________?
Question 5
The intensity of stress which causes unit strain is called_______________?
Question 6
The Young’s modulus of a wire is defined as the stress which will increase the length of wire compared to its original length________________?
Question 7
Tensile strength of a material is obtained by dividing the maximum load during the test by the_________________?
Question 8
If the radius of wire stretched by a load is doubled, then its Young’s modulus will be_______________?
Question 9
A thin mild steel wire is loaded by adding loads in equal increments till it breaks. The extensions noted with increasing loads will behave as under_________________?
Question 10
The ultimate tensile stress of mild steel compared to ultimate compressive stress is__________________?