Bissoy.com
Doctors Medicines MCQs Q&A

Related Questions

Failure of a material is termed as fatigue failure, if it fails below the yield point. The resistance to fatigue failure of a material is measured by the
Each material circumstance appearing in evidence against the accused must be put to the accused specifically, distinctly and separately. In this context, the propositions are
1. Failure to put the material evidence to the accused always vitiates the trial
2. Failure to put the material evidence amounts to a serious irregularity which can not be cured and vitiates the trial, if it has prejudiced the accused.
3. Failure to put the material evidence is not considered to services & is curable if infact no failure of justice has occasioned to the accused.
Now which of the following is correct
Match the items in column 1 and column 2 and choose the correct combination. Column 1 Column 2 A - Resilience 1 – Ability of the material to return to the original shape when load is removed B – Fatigue 2 – Capacity of a material to absorb energy elastically C – Stiffness 3 – Ability of material to absorb a certain amount of energy without failure D - Elasticity 4 – Resistance of the material to elastic deformation   5 – Failure of material at loads less than that at normal conditions  
A material is a fatigue tested below the fatigue limit for few millions of cycles and then retested at higher than fatigue limit. This process is known as ___________
If the sample is tested for a large number of cycles below its fatigue limit and the stress is gradually increased above the fatigue limit, the true fatigue limit of material will _______
Fatigue limit improvement by over stressing the metal by successively increasing the load is called coaxing. In fatigue failure, the material fails
Consider the following statements regarding typical analysis of bolt failure :  1. 15% failure of bolt occur at the fillet under the head. 2. 50% failure of bolt occur at the end of threads on the shank. 3. 80% failure of bolt occur in the threads that are in contact with the nut. Which of the above statements is/are correct ?
Consider the following statements associated with local shear failure of soils: 1. Failure is sudden with well-defined ultimate load. 2. This failure occurs in highly compressible soils. 3. Failure is preceded by large settlement. Which of these statements are correct ?
The variance of failure time (time to failure) of an electric motor in shovel is 1600 hr2. If the failure time follows an exponential distribution. the expected mean time between failure in hr is
The ductile material gives best result in the high strain amplitude or high cycle fatigue, while the strong material gives best result in high-stress low cycle fatigue.