Strength of Material Mock Test-1 | Practice test for GATE Aerospace-2022 by AERO GATE TOPPER

 Strength of Material 

Here is a quiz to help you prepare your upcoming GATE2022, ISRO, HAL exam. The GATE AE paper has many subjects, everyone is equally important. However, one of the most important subjects in GATE AE is Strength of materials. The subject is large, but practice makes braving it easy. 

This quiz contains important questions which match the pattern of the GATE, ISRO & HAL exams. Check your preparation level in every chapter of Strength of materials for GATE by taking the quiz and comparing your ranks. Learn about Stress, Strain , Shaft, Buckling and more! 

To know whether you have achieved the required preparation or test your time management as per the question pattern within an exam environment, join these mock test. 

Strength of Material Mock test 1

1. For a body subjected to direct stresses σ_x, σ_y and σ_z the direct strain ϵ_x in x direction is (where E and γ are Young's Modulus and Poisson's ratio respectively)

1. ϵ_x={σ_x-γ(σ_y+σ_z)}/E
2. ϵ_x={σ_x+γ(σ_y-σ_z)}/E
3. ϵ_x={σ_x-γ(σ_y-σ_z)}/E
4. ϵ_x={σ_x+γ(σ_y+σ_z)}/E

2. For a case of a slender column of length L and flexural rigidity EI inbuilt its at bottom and free at the top, the Euler's critical buckling load is

1. 4π^2*EI/L^2
2. π^2*EI/4L^2
3. 2π^2>*EI/L^2
4. π^2*EI/L^2

3. A circular shaft subjected to torsion undergoes a twist of 1° during a length of 120cm. if the maximum shear stress induced is limited to 1000kg/cm^2 and if modulus of rigidity G=0.8*10^6 Kg/cm^2, then the radius of the shaft should be

1. 18/π cm
2. 27/π cm
3. π/18 cm
4. π/27 cm

4. A hollow shaft of same cross-sectional area as solid shaft transmits

1. More torque
2. Same torque
3. Less torque
4. Unpredictable

5. The extension of a mild steel bar 4m long, 2000 mm^2 cross section under the action of an axial load 20KN, if E=2*10^5 N/mm^2, is

1. 0.05mm
2. 0.02mm
3. 0.2mm 4. 0.5mm

6. In I section shear load is resisted mainly by

1. Flanges only
2. Web only
3. Both by flanges and web
4. None

7. Shear force is

1. Rate of change of loading
2. Sum of bending moments
3. Rate of change of bending moment
4. None of these

8. Maximum shear stress in Mohr's circle is equal to

1. Radius of circle
2. Diameter of circle
3. Center of circle from y-axis
4. Chord of circle

9. If a material expands freely due to increasing temperature it will develop

1. Thermal stresses
2. Tensile stress
3. Bending stress
4. No stress

10. When a column is fixed at both ends, corresponding Euler's critical load is

1. π^2*EI/L^2
2. 2π^2*EI/L^2
3. 3π^2*EI/L^2
4. 4π^2*EI/L^2

11. A metal pipe of 1m diameter contains a fluid having a pressure of 10kgf/cm^2. If the permissible tensile stress is 200 kgf/cm^2, then the thickness of the metal needed for creating the pipe would be

1. 5mm
2. 10mm
3. 20mm
4. 25mm

12. Circumferential and longitudinal strains in the cylindrical boiler under internal steam pressure are ϵ₁ and ϵ₂ respectively. Change in the volume per unit volume will be

1. ϵ₁*(ϵ₂)^2
2. ϵ₁+2*ϵ₂
3. 2*ϵ₁+ϵ₂
4. 2.(ϵ₁)^2*ϵ₂

13. Couple M is applied at C on a simply supported beam AB> The maximum shear on AC will be

1. Zero
2. M
3. M/3
4. 2M/3

14. The given figure shows the shear force diagram for the beam ABCD. Bending moment in the section BC of the beam

1. Is a non-zero constant
2. Is zero
3. Varies linearly from B to C
4. Varies parabolically from B to C

15. A beam is hinge-supported at its ends and is shown om the figure. The magnitude of latitudinal force at a section x of the beam is

1. 0
2. P
3. P.c/2L
4. P/2L