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Strength of Materials Multiple Choice Questions | MCQs | Quiz

Strength of Materials Interview Questions and Answers
Pratice Strength of Materials questions and answers for interviews, campus placements, online tests, aptitude tests, quizzes and competitive exams.

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•   Strain
•   Elasticity
•   Hooke's Law
•   Stress & Strain Curve
•   Strain Properties
•   Strain Constants - 1
•   Strain Constants - 2
•   Elastic Constants - 1
•   Elastic Constants - 2
•   Normal & Shear Stress
•   Bending Stress
•   Tensile Stress
•   Compressive Stress
•   Thermal Stress
•   Stress Applications
•   Varying Sections Bars
•   Superposition Principle
•   Composite Sections Bars-1
•   Composite Sections Bars-2
•   Strain Energy Definition
•   Resilience
•   Sudden Loading
•   Gradual Loading
•   Impact Loading
•   Center of Gravity
•   Section Gravity Center
•   Moment of Inertia
•   Section Moment of Inertia
•   Mass Moment of Inertia
•   Beams & Loads Types
•   Shear & Bending Moment
•   Supports Types
•   Maximum Shear Force
•   Maximum Bending Moment
•   Bending Moment Diagram
•   Bending Equation
•   Pure Bending Stress
•   Section Modulus
•   Section Strength
•   Unsymmetrical Sections
•   Composite Beams
•   Shear Stress Basics
•   Shear Stress Distribution
•   Maximum Shear Stress - 1
•   Maximum Shear Stress - 2
•   Combined Stress
•   ↓ Bending Stress ↓
•   Eccentric Loading
•   Eccentric in Both Directions
•   Section Kernel
•   Dams
•   Rectangular Dam
•   Rectangular Dam Analysis
•   ↓ Trapezoidal Dam ↓
•   Vertical Side Phase
•   Inclined Side Phase
•   Dams Stability Analysis
•   Slope
•   Deflection
•   Cantilever Deflection
•   Simply Support Deflection
•   Beams Analyse Slope
•   Analyse Propped Cantilever
•   Propped Deflection
•   Analyse Fixed Beam
•   Fixed Beam Deflection
•   Indeterminate Beam
•   Beam Deflection
•   Torque Definition
•   Torsion Equation
•   Twisting Moment
•   Inertia Polar Moment
•   Torsional Rigidity
•   Combined Bending
•   Power Shaft
•   Composite Shaft
•   Frames Stresses - 1
•   Frames Stresses - 2
•   ↓ Thin Cylinders ↓
•   Thin Cylinders
•   Internal Pressure
•   Hoop Stress
•   Longitudinal Stress
•   Stress - Cylinder Surface
•   Thin Cylinder - Strain
•   Maximum Shear Stress
•   ↓ Thin Spherical Shells ↓
•   Shells Under Stress
•   Shells Under Strain
•   Thick Cylinder Shell
•   Trusses - 1
•   Trusses - 2
•   Column Definition
•   ↓ Euler's Theory ↓
•   At Critical Load
•   At Eccentrically Loaded
•   Columns Design
•   ↓ Rankine's Theory ↓
•   Column Rankine's Theory
•   Buckling & Crushing Load
•   Slenderness Ratio
•   Core Cross Section
•   Shear Failure
•   Rivet Joint
•   Rivet Lap Joint
•   Strain Energy

Best Reference Books

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Strength of Materials Questions and Answers – Rectangular Dam Analysis

Posted on December 15, 2017 by Manish

This set of Strength of Materials Multiple Choice Questions & Answers (MCQs) focuses on “Rectangular Dam Analysis”.

1. Calculate the self-weight of the masonry of rectangle dam of 10 m height and 4 m wide. Consider specific weight of masonry as 20kN/m3.
a) 600 kN
b) 500 kN
c) 800 kN
d) 1000 kN
View Answer

Answer: c
Explanation: Self weight of masonry = W = Area of cross-section × 1× Specific weight of masonry.
= (10×4)×1×20 = 800 kN.

2. Water-cement ratio varies normally from____to_____
a) 0.42 – 0.45
b) 0.45 – 0.48
c) 0.42 – 0.48
d) 0.45 – 0.5
View Answer

Answer: c
Explanation: The ratio to which the required amount of water is added to weight of cement to obtain desired consistency and workability of concrete mix is known as water cement ratio. It varies from 0.42 to 0.48.

3. Calculate the resultant force of dam with given self weight 800kN and water pressure be 500kN.
a) 943.4 kN
b) 956.7 kN
c) 948.6 kN
d) 939.1 KN
View Answer

Answer: a
Explanation: Resultant force (R) = (P2 + W2)1/2 = 5002 + 8002.
=( 5002 + 8002)1/2
= 943.39 ~ 943.4 kN.

4. When the reservoir is empty tension occurs at_____
a) Toe
b) Heel
c) Top width
d) Bottom width
View Answer

Answer: a
Explanation: For no tension to develop in the damn section in any condition, the eccentricity should be less than b/6. When the reservoir is empty, tension occurs at toe and compression occurs at heel.

5. What is the mix proportion for M15 grade concrete?
a) 1:1:2
b) 1:2:4
c) 1:3:6
d) 1:4:8
View Answer

Answer: b
Explanation: Mix proportion for M15 grade concrete is 1:2:4.

Grade of concrete Mix proportionate
M10 1:3:6
M15 1:2:4
M20 1:1.5:3

6. Laterite is an example of ___ rock.
a) Siliceous
b) Argillaceous
c) Calcareous
d) Metamorphic
View Answer

Answer: b
Explanation: The Rocks having (Gneiss) aluminium or clay as main component, such rocks are known as argillaceous rocks. Example: Slate, Laterite.

7. ________ is crystalline and compact in structure.
a) Marbles
b) Granite
c) Kadapa slabs
d) Shahabad stones
View Answer

Answer: a
Explanation: Marble is a metamorphic rock and is made from limestone, this is very costly stone. It is less durable. It is crystalline and compact in structure. So it can take a fine polish. It is not very hard.

8. As per IS, the standard dimensions for a brick is _______ (in cm).
a) 19×8×8
b) 19×9×8
c) 19×9×9
d) 19×8×9
View Answer

Answer: c
Explanation: The shape of a brick should be uniform with rectangular surface and its size should be standard with 19×9×9 cm. They should have uniform red colour and it should be well burnt.

9. Formation of white patches on surface on the bricks is ____
a) Tempering
b) Porosity
c) Shrinkage
d) Efflorescence
View Answer

Answer: d
Explanation: A good brick should not contain excess alkaline soils, when the bricks are exposed to atmosphere. It should not absorb moisture. If it attracts moisture then dampness occurs and results in the formation of white patches. Hence the brick begins decaying.

10. STATEMENT: Kiln burning involves 90% of first class bricks
Is the above statement mentioned True or Flase?
a) True
b) False
View Answer

Answer: a
Explanation: Kiln burning is a permanent structure. There is complete control on fire. It produces large scale of manufactured bricks, it takes only 24 hours in burning the bricks and 12 days for cooling. It produces 90% of burnt bricks.

11. ______ bricks can withstand up to a temperature of 1800°C.
a) Refractory
b) Fly ash
c) Clay
d) Cement
View Answer

Answer: a
Explanation: The bricks made from refractory clay are called refractory bricks. The weight of these bricks is 2 kN/m3. The standard size is 230× 65× 113 mm. These bricks can withstand up to temperature of 1800°C.

12. According to IS, the minimum expansion joint in construction should be ________
a) 18mm to 30 mm
b) 15mm to 24mm
c) 18mm to 25mm
d) 22mm to 30mm
View Answer

Answer: c
Explanation: According to Indian standards 456- 2000, it is desirable to provide 18 mm to 25 mm thick expansion joints after every 30 to 45 m construction of length.

13. The edges formed by intersection of plane surfaces of a brick are known as _________
a) Arises
b) Stretcher
c) Header
d) Frog
View Answer

Answer: a
Explanation: In any bond, the edges formed by intersection of plane surfaces of a brick are termed as arises. These are straight and sharp in case of good bricks or brick tiles.

14. The depression made in the face of a brick during its manufacture is _________
a) Brick tile
b) Bat
c) Frog
d) Quoin closer
View Answer

Answer: c
Explanation: The depression provided on any face of the brick during its manufacture can be termed as frog. A hand moulded bricks has one frog. A pressed brick has two frogs.

15. Calculate the eccentricity of a rectangular dam of width 4 m. Take the distance between the water face and point where resultant cuts the base as 5.25 m.
a) 2.25m
b) 3.25m
c) 4.35m
d) 5.35m
View Answer

Answer: b
Explanation: Eccentricity = e = Z – b/ 2
Where Z = 5.25 m & b = 4m ; Now, e = Z- b/2
e = 5.25 – 4/2
= 3.25m.

Sanfoundry Global Education & Learning Series – Strength of Materials.

To practice all areas of Strength of Materials, here is complete set of 1000+ Multiple Choice Questions and Answers.

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