Related Questions

The property of a bearing material which has the ability to accommodate small particles of dust, grit etc. without scoring the material of the journal, is called
A Bondability
B Embeddability
C Comformability
D Fatigue strength
Whenever some external system of forces acts on a body, it undergoes some deformation. As the body undergoes some deformation, it sets up some resistance to the deformation. This resistance per unit area to deformation, is called
A Strain
B Stress
C Pressure
D Modulus of elasticity
The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft and $$\tan \varphi $$  = Coefficient of friction between the shaft and bearing)
A $${\text{r}}\sin \varphi $$
B $${\text{r}}\cos \varphi $$
C $${\text{r}}\tan \varphi $$
D $$\frac{{\text{r}}}{2}\cos \varphi $$
Two shafts A and B are made of the same material. The diameter of shaft A is twice as that of shaft B. The power transmitted by the shaft A will be __________ of shaft B.
A Twice
B Four times
C Eight times
D Sixteen times
The property of material, by which a given amount of energy is absorbed by it, without plastic deformation is called
A Resilience
B Toughness
C Ductility
D Impact strength
The property of material, by which a given amount of energy is absorbed by it without plastic deformation, is called the
A Resilience
B Toughness
C Ductility
D Impact strength
Ability of a material to absorb energy in deformation in the plastic range is characterised as its
A Ductility
B Toughness
C Creep
D Resilience
The highest stress that a material can withstand for a specified length of time without excessive deformation is called the __________ strength.
A Creep
B Endurance
C Fatigue
D None of these
The frictional torque transmitted in a flat pivot bearing, considering uniform wear, is (where μ = Coefficient of friction, W = Load over the bearing and R = Radius of bearing surface)
A $$\frac{1}{2}$$μWR
B $$\frac{2}{3}$$μWR
C $$\frac{3}{4}$$μWR
D μWR
An ideal plastic substance indicates no deformation, when stressed upto yield stress, but behaves like a Newtonion fluid beyond yield stress. Which of the following is an ideal plastic?
A Sewage sludge
B Rubber latex
C Blood
D Sugar solution

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