# Practice Test: Question Set - 03

**1. The shape of cantilever for uniformly distributed load will be**

- (A) Straight line

- (B) Parabolic

- (C) Elliptical

- (D) Cubic

**2. For a simply supported beam of length ‘**

*l*’, when a concentrated load*W*is applied in the center of the beam, the maximum deflection is- (A) 5

*WL³*/

*384*

*EI*

- (B)

*WL³*/384

*EI*

- (C)

*WL³*/ 348

*EI*

- (D)

*WL³*/ 48

*EI*

**3. The point of contra flexure is a point where**

- (A) Shear
force changes sign

- (B) Shear
force is maximum

- (C) Bending
moment changes sign

- (D) Bending
moment is maximum

**4. The maximum stress produced in a bar of tapering section is at**

- (A) Smaller end

- (B) Larger
end

- (C) Middle

- (D) Anywhere

**5. The ultimate tensile stress of mild steel compared to ultimate compressive stress is**

- (A) Same

- (B) More

- (C) Less

- (D) Unpredictable

**6. The energy stored in a body when strained within elastic limit is known as**

- (A) Resilience

- (B) Proof
resilience

- (C) Strain
energy

- (D) Impact energy

**7. Modular ratio of two materials is the ratio of**

- (A) Strains

- (B) Stress
and strain

- (C) Shear
stress and shear strain

- (D) Moduli
and elasticity

**8. In compression test, the fracture in cast iron specimen would occur along**

- (A) The
axis of load

- (B) An
oblique plane

- (C) At
right angles to the axis of specimen

- (D) Would
not occur

**9. A coil is cut into two halves, the stiffness of cut coil will be**

- (A) Double

- (B) Half

- (C) Same

- (D) None
of these

**10. The bending stress in a beam is _________ section modulus.**

- (A) Inversely
proportional to two times

- (B) Directly proportional to

- (C) Inversely proportional to

- (D) None
of these

**11. When shear force at a point is zero, then bending moment is _________ at that point.**

- (A) Zero

- (B) Minimum

- (C) Maximum

- (D) Infinity

**12. Elasticity of Mild Steel specimen is defined by**

- (A) Hooke’s law

- (B) Yield point

- (C) Plastic flow

- (D) Proof
stress

**13. When a bar is cooled to -5°C, it will develop**

- (A) No
stress

- (B) Shear
stress

- (C) Tensile
stress

- (D) Compressive
stress

**14. If the radius of wire stretched by a load is doubled, then its Young’s modulus will be**

- (A) Doubled

- (B) Halved

- (C) Becomes
four times

- (D) None of the above

**15. In order to know whether a column is long or short, we must know its**

- (A) Ultimate
shear stress of the column

- (B) Factor
of safety

- (C) Torque
resisting capacity

- (D) Slenderness
ratio

**View All Answers**

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