Related Questions

The design stress, which is more than the damaging stress, is the least unit stress that will render a member unfit for service before the end of its normal life. The design stress factor or factor of safety indicates the margin between design stress and the __________ stress.
A Working
B Damaging
C Allowable
D None of these
The normal stress is the same in all directions at a point in a fluid, when the fluid is
A Non-viscous
B Incompressible
C Both A and B
D Having no motion of one fluid layer relative to the other
The normal stress is the same in all directions at a point in a fluid, only when the fluid
A Is at rest & has zero viscosity
B Is frictionless
C Fluid layer has no motion relative to an adjacent layer of fluid
D Is incompressible & frictionless
The normal stress in a fluid will be constant in all directions at a point only if
A It is incompressible
B It has uniform viscosity
C It has zero viscosity
D It is at rest
The pressure at a point in a fluid will not be same in all the directions when the fluid is
A Moving
B Viscous
C Viscous and static
D Viscous and moving
The pressure at a point in a fluid is not the same in all directions, when the fluid is viscous and
A Moving
B Static
C Cold
D Hot
In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant?
A Rotational
B Unsteady
C Turbulent
D Non-uniform
Point A is 10 miles West of Point B. Point b is 30 miles North of pint C. Point C is 20 miles East of Point D. What is the distance (in miles) between Point A and Point D?
A 1010
B 1020
C 2010
D 3010
Point A is 10 km west of point B. Point B is 30 km north of point C. Point C is 20 km east of point D. What is the distance between point A and D?
A 1020Km
B 1010Km
C 2010Km
D 3010Km
According to maximum normal stress theory, the maximum normal stress in the shaft is
A $$\frac{1}{2}\sqrt {{\sigma ^2} \times 4{\tau ^2}} $$
B $$\sqrt {{\sigma ^2} \times 4{\tau ^2}} $$
C $$\frac{1}{2}\left( {\sigma + \sqrt {{\sigma ^2} \times 4{\tau ^2}} } \right)$$
D $$\sigma + \sqrt {{\sigma ^2} \times 4{\tau ^2}} $$

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