CuriousTab
Search
CuriousTab
Home
Aptitude
Computer
C Programming
C# Programming
C++ Programming
Database
Java Programming
Networking
Engineering
Biochemical Engineering
Biochemistry
Biotechnology
Chemical Engineering
Civil Engineering
Computer Science
Digital Electronics
Electrical Engineering
Electronics
Electronics and Communication Engineering
Mechanical Engineering
Microbiology
Technical Drawing
GK
Current Affairs
General Knowledge
Reasoning
Data Interpretation
Logical Reasoning
Non Verbal Reasoning
Verbal Ability
Verbal Reasoning
Exams
AIEEE
Bank Exams
CAT
GATE
IIT JEE
TOEFL
Jobs
Analyst
Bank PO
Database Administrator
IT Trainer
Network Engineer
Project Manager
Software Architect
Discussion
Home
‣
Mechanical Engineering
‣
Strength of Materials
Comments
Question
A column is said to be a short column, when
Options
A. its length is very small
B. its cross-sectional area is small
C. the ratio of its length to the least radhis of gyration is less than 80.
D. the ratio of its length to the least radius of gyration is more than 80.
Correct Answer
the ratio of its length to the least radhis of gyration is less than 80.
Strength of Materials problems
Search Results
1. A bar of copper and steel form a composite system, which is heated to a temperature of 40°C. The stress induced in the copper bar will be
Options
A. tensile
B. compressive
C. shear
D. zero
Show Answer
Scratch Pad
Discuss
Correct Answer: compressive
2. Which of the following statement is wrong?
Options
A. The deformation of the bar per unit length in the direction of the force is called linear strain.
B. The Poisson's ratio is the ratio of lateral strain to the linear strain.
C. The ratio of change in volume to the original volume is called volumetric strain.
D. The bulk modulus is the ratio of linear stress to the linear strain.
Show Answer
Scratch Pad
Discuss
Correct Answer: The bulk modulus is the ratio of linear stress to the linear strain.
3. The bending moment diagram for a simply supported beam carrying a uniformly distributed load of
w
per unit length, will be
Options
A. a horizontal line
B. a vertical line
C. an inclined line
D. a parabolic curve
Show Answer
Scratch Pad
Discuss
Correct Answer: a parabolic curve
4. The load required to produce a unit deflection in a spring is called
Options
A. flexural rigidity
B. torsional rigidity
C. spring stiffness
D. Young's modulus
Show Answer
Scratch Pad
Discuss
Correct Answer: spring stiffness
5. At the neutral axis of a beam
Options
A. the layers are subjected to maximum bending stress
B. the layers are subjected to minimum bending stress
C. the layers are subjected to compression
D. the layers do not undergo any strain
Show Answer
Scratch Pad
Discuss
Correct Answer: the layers do not undergo any strain
6. In a thick cylindrical shell subjected to an internal pressure (
p
), the tangential stress is always a tensile stress where as the radial stress is a compressive stress
Options
A. Correct
B. Incorrect
Show Answer
Scratch Pad
Discuss
Correct Answer: Correct
7. Shear strength of the welded joint for double parallel fillet is (where ? = Allowable shear stress for weld metal)
Options
A. 0.5
s
.
l
.?
B.
s
.
l
.?
C.
2
s
.
l
.?
D. 2.
s
.
l
.?
Show Answer
Scratch Pad
Discuss
Correct Answer:
2
s
.
l
.?
8. The radius of the Mohr 's circle in the given figure is equal to
Options
A. sum of two principal stresses
B. difference of two principal stresses
C. half the sum of two principal stresses
D. half the difference of two principal stresses
Show Answer
Scratch Pad
Discuss
Correct Answer: half the difference of two principal stresses
9. In a thick cylindrical shell subjected to an internal pressure (
p
), the radial stress across the thickness of the cylinder is
Options
A. maximum at the outer surface and minimum at the inner surface
B. maximum at the inner surface and minimum at the outer surface
C. maximum at the outer surface and zero at the inner surface
D. maximum at the inner surface arid zero at the outer surface
Show Answer
Scratch Pad
Discuss
Correct Answer: maximum at the inner surface arid zero at the outer surface
10. When a shaft is subjected to a twisting moment, every cross-section of the shaft will be under
Options
A. tensile stress
B. compressive stress
C. shear stress
D. bending stress
Show Answer
Scratch Pad
Discuss
Correct Answer: shear stress
Comments
There are no comments.
Enter a new Comment
Save
More in Mechanical Engineering:
Automobile Engineering
Compressors, Gas Dynamics and Gas Turbines
Engineering Materials
Engineering Mechanics
Heat Transfer, Refrigeration and Air Conditioning
Hydraulic Machines
Hydraulics and Fluid Mechanics
IC Engines and Nuclear Power Plants
Industrial Engineering and Production Management
Machine Design
Production Engineering
Steam Boilers and Engines
Steam Nozzles and Turbines
Strength of Materials
Theory of machines
Thermodynamics
Workshop Technology