What is the correct answer?


A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be

A. 2.5

B. 2.8

C. 3.0

D. 3.5

Correct Answer :

B. 2.8

Related Questions

Soderberg relation is based on __________ of the material whereas all… The initial tension (in newtons) in a bolt used for making a fluid tight… Oil in journal bearing should be applied at the point where load is In testing a material for endurance strength, it is subjected to According to Indian standards, the diameter of rivet hole is made larger… According to I.B.R., when the thickness of the boiler shell (t) is less… The bending moment M and a torque T is applied on a solid circular shaft.… The number of slots in a 25 mm castle nut is The velocity factor for very accurately cut and ground metallic gears… In order to remove internal stresses produced by hardening the steel,… In a journal bearing, the load on the bearing is __________ to the axis… Basic hole is one An alien bolt is The following type of nut is used with alien bolt The modulus of elasticity for mild steel is approximately equal to Which of the following spring is used in mechanical wrist watch? The endurance or fatigue limit is defined as the maximum value of the… The size of a gear is usually specified by Coaxing is the procedure of increasing A fast and loose pulley drive is used when When a beam of rectangular cross-section of width b and depth d, is subjected… A steel containing __________ 0.8% carbon is known as hypoeutectoid steel. A bench vice has following type of threads The design of the pressure vessel is based on The property of a bearing material which has the ability to accomodate… According to Indian standard specifications, a grey cast iron designated… Two helical springs of the same material and of equal circular crosssection,… A chain drive transmits __________ power as compared to belt drive. Transverse fillet welded joints are designed for Which is correct statement?