Explore topic-wise MCQs in Materials Mechanics.

This section includes 180 Mcqs, each offering curated multiple-choice questions to sharpen your Materials Mechanics knowledge and support exam preparation. Choose a topic below to get started.

51.

Scour valve in water distribution system is provided at ________

A. High points
B. Junction points
C. Low points
D. Key points
Answer» D. Key points
52.

A system in which water is supplied only for fixed few hours, such system is called ____

A. Closed
B. Intermittent
C. Combined
D. Lift
Answer» C. Combined
53.

________ attached to a Framework suspended from the main structure.

A. Cantering
B. Shuttering
C. Bracing
D. Ceiling
Answer» E.
54.

________ has to be provided against diagonal tensile stresses.

A. Longitudinal reinforcement
B. Shear reinforcement
C. Torsional reinforcement
D. Transverse reinforcement
Answer» C. Torsional reinforcement
55.

Bond stress is a stress acting ___________ to the bar on the interface between reinforcement and concrete.

A. Perpendicular
B. Parallel
C. Normal
D. Transverse
Answer» C. Normal
56.

In case of __________ beams, the 50% of bars are curtailed at a distance of 0.5 ×l.

A. Simply supported
B. Cantilever
C. Continuous
D. Overhanging
Answer» C. Continuous
57.

A water main of 1 m in diameter and 25 mm thick is subjected to an internal pressure of 2.5 N/mm². Calculate the longitudinal stress induced.

A. 20 N/mm²
B. 25 N/mm²
C. 30 N/mm²
D. 35 N/mm²
Answer» C. 30 N/mm²
58.

________ layout is best suited for well planned towns.

A. Tree system
B. Ring system
C. Reticulated system
D. Radial system
Answer» C. Reticulated system
59.

_______ valves are known as “Washout ” valves.

A. Drain valves
B. Scour valves
C. Check valves
D. Sluice valves
Answer» B. Scour valves
60.

What is the stress in compression, if d’/d value is 0.1 for Fe415 steel?

A. 355 N/mm²
B. 353 N/mm²
C. 342 N/mm²
D. 329 N/mm²
Answer» C. 342 N/mm²
61.

The __________ joints are friction less.

A. Free
B. Pin
C. Roller
D. Fixed
Answer» C. Roller
62.

_____________ bond arises when bar carrying certain force is terminated.

A. Anchorage
B. Flexural
C. Indemnity
D. Equivalent
Answer» B. Flexural
63.

The value of design Bond stress in plain bars will increase in compression by __________

A. 30%
B. 25%
C. 50%
D. 60%
Answer» C. 50%
64.

___________ depends on grade of concrete and diameter of bar etc.

A. Shear stress
B. Bond stress
C. Bending
D. Rupture
Answer» C. Bending
65.

___________ formula can be used only for long columns.

A. Euler’s
B. Rankine’s
C. Swift’s
D. Johnson’s
Answer» B. Rankine’s
66.

Vertical stirrups are a form of _______ reinforcement.

A. Tension
B. Shear
C. Compression
D. Torsion
Answer» C. Compression
67.

A retaining wall is related to _______

A. Plane stress
B. Plane strain
C. Normal stress
D. Normal strain
Answer» C. Normal stress
68.

By ___________ estimate, a technical sanction is obtained.

A. Approximate
B. Detailed
C. Abstract
D. Preliminary
Answer» C. Abstract
69.

Calculate the instantaneous elongation if a steel rod of 40 mm and 4 m long subjected to an axial pull of 80 kN. Take E = 2×10⁵ N/mm².

A. 1.23 mm
B. 1.27 mm
C. 1.31 mm
D. 1.43 mm
Answer» C. 1.31 mm
70.

Which of the following is also known as a ring system?

A. Circle
B. Reticulation
C. Radial
D. Interlaced
Answer» B. Reticulation
71.

_________ floors are used in modern residential and religious buildings?

A. Cement concrete
B. Terrazzo
C. Mosaic
D. Timber
Answer» C. Mosaic
72.

A fine grained material is mostly ________

A. Homogeneous
B. Isotropic
C. Isomeric
D. Elastic
Answer» C. Isomeric
73.

Calculate the Euler’s crippling load, if the effective length of column is 10 m take flexural rigidity as 6.14 × 10¹⁰ Nmm².

A. 6 kN
B. 8 kN
C. 10 kN
D. 12 kN
Answer» B. 8 kN
74.

For engineering materials, the poison’s ratio lies in the range of ___________

A. 0 and 1
B. -1 and 1
C. -2 and 2
D. 0 and 1/2
Answer» E.
75.

Which of the following rules is known as “Prismoidal Rule”?

A. Mean sectional rule
B. Trapezoidal rule
C. Simpson’s rule
D. Mid sectional rule
Answer» D. Mid sectional rule
76.

Which of the following methods is also known as individual wall method?

A. Centre line method
B. Alignment method
C. Long wall and short wall method
D. Voluminous method
Answer» D. Voluminous method
77.

What is the maximum shear stress for M20 grade concrete?

A. 2.5 N/mm²
B. 2.8 N/mm²
C. 3 N/mm²
D. 3.5 N/mm²
Answer» C. 3 N/mm²
78.

The minimum shear reinforcement is given by Asv/bSv = _______

A. 0.4 /0.87 fy
B. 0.5 /0.85 fy
C. 0.6 /0.9 fy
D. 0.35/ 0.6 fsc
Answer» B. 0.5 /0.85 fy
79.

The time for which water is written in a settling tank is known as ________

A. Virtual time
B. Actual time
C. Detention time
D. Active time
Answer» D. Active time
80.

Calculate the Strain energy stored in a body of stress 0.0366 N/mm². The cross sectional area is 60 m²and length of body is 1 m. Take E = 2×10⁵ N/mm².

A. 0.2009 N.mm
B. 0.0416 N.mm
C. 0.0987 N.mm
D. 0.1316 N.mm
Answer» B. 0.0416 N.mm
81.

Service unit method is related to ___________ estimate.

A. Abstract
B. Approximate
C. Detailed
D. Cubic content
Answer» C. Detailed
82.

The rate of filtration for rapid sand filter is ___________

A. 3000 to 4500 lit/hr/m²
B. 4500 to 6500 lit/hr/m²
C. 3000 to 6000 lit/hr/m²
D. 4500 to 7000 lit/hr/m²
Answer» D. 4500 to 7000 lit/hr/m²
83.

_________ type of ceiling is adopted in modern hotels and auditorium.

A. Plaster board
B. Fibre board
C. Decorative
D. Joint less
Answer» B. Fibre board
84.

Which of the following reservoirs is also known as ___________

A. Ground service reservoirs
B. Elevated reservoirs
C. Over head reservoirs
D. Storey reservoirs
Answer» B. Elevated reservoirs
85.

__________ formula is used for determining short as well as long columns.

A. Gilbert’s
B. Rankine’s
C. Johnson’s
D. Euler’s
Answer» C. Johnson’s
86.

Which of the following is also known as geographical meridian?

A. True meridian
B. Arbitrary meridian
C. Magnetic meridian
D. Post meridian
Answer» B. Arbitrary meridian
87.

Bond is developed due to _________

A. Viscosity
B. Gravity
C. Friction
D. Acoustics
Answer» D. Acoustics
88.

________ is developed due to adhesion between concrete and steel.

A. Shear
B. Flexure
C. Bond
D. Creep
Answer» D. Creep
89.

Calculate the elongation of the cable due to load, if a steel cable of 2 cm diameter is used to lift a load of 500 π kg. Given that and the length of cable is 10 m and E = 2×10⁶ kg/cm².

A. 0.5 cm
B. 0.3 cm
C. 0.25 cm
D. 0.4 cm
Answer» D. 0.4 cm
90.

The __________ of the slab is governed by span to depth ratio.

A. Strength
B. Stiffness
C. Reinforcement
D. Stability
Answer» C. Reinforcement
91.

A ___ is used to prevent water from flowing back in the opposite direction.

A. Sluice valve
B. Check valve
C. Air valve
D. Drain valve
Answer» C. Air valve
92.

Polar moment of inertia is denoted by ___________

A. G
B. J
C. K
D. M
Answer» C. K
93.

Resilience can also be termed as ___________

A. Stress energy
B. Strain energy
C. Modulus
D. Tenacity
Answer» C. Modulus
94.

For longitudinal reinforcing bar, the nominal cover should not be less than ___________

A. 30 mm
B. 20 mm
C. 40 mm
D. 50 mm
Answer» D. 50 mm
95.

What is the horsepower of the engine if the power is 219324 W.

A. 312
B. 268
C. 294
D. 304
Answer» D. 304
96.

Beams which are reinforced in both compression and tension sides are called as _______

A. Dual reinforced beam
B. Doubly reinforced beam
C. Composite beam
D. Additional beam
Answer» C. Composite beam
97.

Which of the following is also known as endurance limit?

A. Proportionality limit
B. Rupture limit
C. Elastic limit
D. Fatigue limit
Answer» E.
98.

A HYSD steel bar is 400 mm long. The lengths of the parts AB and BC of the bar is 200 mm each. It is loaded as P1 = 2000 kg and P2 = 1000 kg. Take diameter of AB as 2 cm and BC as 1 cm. The ratio of stresses in part AB to stresses in part BC is __________

A. 0.2
B. 0.75
C. 0.5
D. 1.5
Answer» D. 1.5
99.

Calculate the moment of inertia of a hollow circular section whose external diameter is 60 mm and thickness is 5 mm about centroidal axis.

A. 315 m²
B. 320 m⁴
C. 330 m⁴
D. 345 m⁴
Answer» D. 345 m⁴
100.

Paving is also known as ___________

A. Floor covering
B. Sub floor
C. Sub grade
D. Wearing course
Answer» B. Sub floor