STRENGTH OF MATERIALS QUIZ

Which of the following is not the unit of energy

watt hours

kcal

kg m

wattr

TRUE ANSWER : ?
YOUR ANSWER : ?

According to Lami's theorem

Three forces acting at a point can be represented by a triangle, each side being proportional to force

If three forces acting upon a particle are represented in magnitude and direction by the sides of a triangle, taken in order, they will be in equilibrium

If three forces acting at a point are in equilibrium, each force is proportional to the sine of the angle between the other two

Three forces acting at a point will be in equilibrium

TRUE ANSWER : ?
YOUR ANSWER : ?

Dynamic friction as compared to static friction is

same

more

less

may be less of more depending on nature of surfaces and velocity

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YOUR ANSWER : ?

The magnitude of two forces, which when acting at right angle produce resultant force of VlOkg and when acting at 60Â° produce resultant of Vl3 kg. These forces are

2 and V6

3 and 1 kg

2 and 5

V5 and V5

TRUE ANSWER : ?
YOUR ANSWER : ?

Effect of a force on a body depends upon

magnitude

direction

All of the listed here

position or line of action

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YOUR ANSWER : ?

In the lever of third order, load W, effort P and fulcrum F are oriented as follows

F between W and P

P between W and F

W, P and F all on one side

W between P and F

TRUE ANSWER : ?
YOUR ANSWER : ?

If three forces acting in different planes can be represented by a triangle, these will be in

unpredictable

full equilibrium

non-equilibrium

partial equilibrium

TRUE ANSWER : ?
YOUR ANSWER : ?

Forces are called coplanar when all of them acting on body lie in

different planes

one point

perpendicular planes

one plane

TRUE ANSWER : ?
YOUR ANSWER : ?

The magnitude of two forces, which when acting at right angle produce resultant force of VlOkg and when acting at 60° produce resultant of Vl3 kg. These forces are

V5 and V5

3 and 1 kg

2 and V6

2 and 5

TRUE ANSWER : ?
YOUR ANSWER : ?

If three forces acting in one plane upon a rigid body, keep it in equilibrium, then they must either

at least two of them must meet

be all parallel

meet in a point

All of the listed here

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YOUR ANSWER : ?