SOM-BASIC OBJECTIVE QUESTIONS

STRENGTH OF MATERIAL QUEDTONS

1. RESISTSNCE PER UNIT AREA TO DEFORMATION IS CALLED

A. PRESSURE
B. STRAIN
C. STRESS
D. MODULUS OF ELASTICITY

2. DEFORMATION PER UNIT LENGTH IS CALLED

A. TENSILE STRESS
B. COMPRESSIVE STRESS
C. STRAIN
D. SHEAR STRESS

3. HOOKE'S LAW HOLDS GOOD UPTO

A. YIELD POINT
B. ELASTIC LIMIT
C. BREAKING POINT
D. PLASTIC LIMIT

4. RATIO OF LINEAR STRESS TO LINEAR STRAIN IS CALLED

A. MODULUS OF RIGIDITY
B. MODULUS OF ELASTICITY
C. BULK MODULUS
D. POISSON'S RATIO

5. STRAIN ROSETTERS ARE USED TO MEASURE

A. SHEAR STRAIN
B. LINEAR STRAIN
C. VOLUMETRIC STRAIN
D. LATERAL STRAIN

6. THE ULTIMATE TENSILE STRESS FOR MILD STEEL IS .........................THE ULTIMATE COMPRESSIVE STRESS

A. LESS THAN
B. MORE THAN
C. EQUAL TO
D. NONE OF THE ABOVE

7. ACCORDING TO HOOKE LAW STRESS IS DIRECTLY PROPORTIONAL TO

A. LINEAR STRAIN
B. LATERAL STRAIN
C. VOLUMETRIC STRAIN
D. SHEAR MODULUS

8. THE UNIT OF STRAIN IS

A. N-mm
B. N/mm
C. mm
D. Dimensionless

9. Modular ratio of two materials is the ratio of

A. Shear modulus
B. Modulus of elasticities
C. Shear stress to shear strain
D. Modulus of rigidities

10. Poisson ratio is defined as ratio of

A. Linear to lateral strain
B. Lateral to linear strain
C. Linear stress to linear strain
D. Linear strain to linear stress