| 1. | The strain energy stored in a body, when suddenly loaded, is ........... the strain energy stored when same load is applied gradually ? | |
|
equal to
|
||
|
one-half
|
||
|
twice
|
||
|
four times
|
||
View Answer
Discuss in Forum
Report Question| 2. | When a bar is subjected to a change of temperature and its deformation is prevented, the stress induced in the bar is ? | |
|
tensile stress
|
||
|
compressive stress
|
||
|
shear stress
|
||
|
thermal stress
|
||
| 3. | A flitched beam is used to ? | |
|
change the shape of the beam
|
||
|
effect the saving in material
|
||
|
equalise the strength in tension and compression
|
||
|
increase the cross-section of the beam
|
||
| 4. | When a bar of length l, width b and thickness t is subjected to a pull of P, its ? | |
|
length, width and thickness increases
|
||
|
length, width and thickness decreases
|
||
|
length increases, width and thickness decreases
|
||
|
length decreases, width and thickness increases
|
||
| 5. | The bending moment at a section tends to bend or deflect the beam and the internal stresses resist its bending. The resistance offered by the internal stresses, to the bending, is called ? | |
|
compressive stress
|
||
|
shear stress
|
||
|
bending stress
|
||
|
elastic modulus
|
||
| 6. | The product of Young's modulus (E) and moment of inertia (l) is known as ? | |
|
modulus of rigidity
|
||
|
bulk modulus
|
||
|
flexural rigidity
|
||
|
torsional rigidity
|
||
| 7. | Young's modulus may be defined as the ratio of ? | |
|
linear stress to lateral strain
|
||
|
lateral strain to linear strain
|
||
|
linear stress to linear strain
|
||
|
shear stress to shear strain
|
||