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SOM Quiz 1

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GATE Mechanical Engineering (Strength of Materials) Quiz on SOM Quiz 1, created by Lalithej Vvk on 31/05/2017.
Lalithej Vvk
Quiz by Lalithej Vvk, updated more than 1 year ago
Lalithej Vvk
Created by Lalithej Vvk almost 7 years ago
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Resource summary

Question 1

Question
Generating machines are:
Answer
  • Engines
  • Turbines
  • Generators
  • Automobiles

Question 2

Question
In Transforming machines, Input is always
Answer
  • mechanical
  • Electrical
  • Tidal
  • Solar

Question 3

Question
Which of these is not a type of machine
Answer
  • Transforming
  • Utilizing
  • Generating
  • Transferring

Question 4

Question
Which of the following is not an assumption of Strength Of Materials?
Answer
  • Material is Isotropic
  • Prismatic
  • Material follows Hooke's Law
  • Self Weight is considered

Question 5

Question
Select the basis of classification of loads
Answer
  • Time
  • Cross Section
  • Load Magnitude
  • Load Distribution

Question 6

Question
Spur Gears are preferred to Helical Gears
Answer
  • True
  • False

Question 7

Question
Relation between static and impact stress (S = Static stress, P = Impact stress, I = Impact Factor)
Answer
  • S = P x I
  • S = P x I +P
  • S + I x S = P
  • P = S x I

Question 8

Question
For impact bending, which kind of support is used?
Answer
  • Flexible support
  • Rigid support
  • Roller support
  • No support is needed

Question 9

Question
In fluctuating load
Answer
  • Only magnitude changes
  • Only direction changes
  • Both magnitude and direction change
  • No change in magnitude and direction

Question 10

Question
In alternating load
Answer
  • Both magnitude and direction of the load change
  • Only magnitude changes
  • Only direction changes
  • No change in direction or magnitude

Question 11

Question
In completely reversed load
Answer
  • Only direction changes
  • Only magnitude changes
  • Both direction and magnitude of the load change
  • No change in direction or magnitude of the load

Question 12

Question
X: No. of Reaction Forces in a beam Y: No. of Equilibrium Equations Which of the following relation is true for a Statically Indeterminate Beam?
Answer
  • X > Y
  • X < Y
  • X = Y
  • X <= Y

Question 13

Question
A cantilever beam is
Answer
  • Always Statically Determinate
  • Always Statically Indeterminate
  • sometimes S.D sometimes S.I
  • None of the above

Question 14

Question
A Simply Supported Beam is
Answer
  • always Statically Determinate
  • always Statically Indeterminate
  • never Statically Indeterminate
  • Can be S.I under special conditions

Question 15

Question
Which of the following are always Statically Indeterminate?
Answer
  • Fixed Beam
  • Continuous Beam
  • Overhanging Beam
  • Simply Supported Beam

Question 16

Question
Structural members experience ______ Load whereas Machine Components experience _______ Load
Answer
  • Static, Fatigue
  • Fatigue, Static
  • Static, Alternating
  • Alternating, Static

Question 17

Question
Bending moment is _____ for sagging and _____ for hogging
Answer
  • positive, negative
  • negative, positive
  • zero, positive
  • negative, zero

Question 18

Question
Stress on top fiber(S) is given by: (B: Bending stress, D: Direct stress)
Answer
  • S = B - D
  • S = B + D
  • S = (B - D)/2
  • S = (B+D)/2

Question 19

Question
Force is ______ where sagging occurs and ______ where hogging occurs
Answer
  • positive, negative
  • Compressive, Tensile
  • Tensile, Compressive
  • Shear, Tensile

Question 20

Question
Bending Moment is maximum where
Answer
  • Point of Contraflexure occurs
  • Shear force changes sign
  • neutral axis is present
  • midpoint is present

Question 21

Question
Point of contraflexure occurs where
Answer
  • Bending Moment changes its sign
  • Bending Moment is maximum
  • Shear Force is maximum
  • Shear Force changes its sign

Question 22

Question
Stress always acts perpendicular to the surface
Answer
  • True
  • False

Question 23

Question
Stress is a ____ order tensor and Pressure is a ____ order tensor
Answer
  • 0, 2
  • 2, 0
  • 1, 2
  • 2, 1

Question 24

Question
Saint Venant's Principle states that the stress distribution is dependent on the load application
Answer
  • True
  • False

Question 25

Question
Hooke's law gives a relationship between
Answer
  • Stress and Strain within elastic limit
  • Lateral Strain and Longitudinal Strain
  • Stress Distribution on the basis of Load application
  • Stress and Strain within yield point
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