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MCQs

Total Questions : 605 | Page 59 of 61 pages
Question 581. Parabolic arch of span and rise , is given by The equation of a
  1.    y = 3h/l² × (1 – x)
  2.    y = 2h/l² × (1 – x)
  3.    y = h/l² × (1 – x )
  4.    y = 4h/l² × (1 – x)
 Discuss Question
Answer: Option D. -> y = 4h/l² × (1 – x)
Question 582. The area of the core of a column of cross sectional area A, is
  1.    (1/18) A
  2.    (1/12) A
  3.    (1/3) A
  4.    (1/6) A
 Discuss Question
Answer: Option A. -> (1/18) A
Question 583. The equivalent length of a column of length L having one end fixed and the other end free, is
  1.    2L
  2.    L
  3.    L
  4.    L/2
 Discuss Question
Answer: Option A. -> 2L
Question 584. A spring of mean radius 40 mm contains 8 action coils of steel (N = 80000 N/mm²), 4 mm in diameter. The clearance between the coils being 1 mm when unloaded, the minimum compressive load to remove the clearance, is
  1.    35 N
  2.    30 N
  3.    40 N
  4.    25 N
 Discuss Question
Answer: Option A. -> 35 N
Question 585. A shaft rotating N.R.M. under a torque T, transmits a power
  1.    /30 Newton metres/min
  2.    /60 Newton metres/min
  3.    /30 Newton metres/sec
  4.    /60 Newton metres/sec
 Discuss Question
Answer: Option C. -> /30 Newton metres/sec
Question 586. The strain energy due to volumetric strain
  1.    All of these
  2.    Is inversely proportional to Bulk modulus
  3.    Is directly proportional to the volume
  4.    Is directly proportional to the square of exerted pressure
 Discuss Question
Answer: Option A. -> All of these
Question 587. A shaft subjected to a bending moment M and a torque T, experiences
  1.    Neither A nor B
  2.    Maximum shear stress = 16 T/πd³
  3.    Maximum bending stress = 32M/πd³
  4.    Both A and B
 Discuss Question
Answer: Option D. -> Both A and B
Question 588. The strain energy stored in a spring when subjected to greatest load without being permanently distorted, is called
  1.    Proof load
  2.    Proof resilience
  3.    Proof stress
  4.    Stiffness
 Discuss Question
Answer: Option B. -> Proof resilience
Question 589. The greatest load which a spring can carry without getting permanently distorted, is called
  1.    Proof stress
  2.    Proof resilience
  3.    Stiffness
  4.    Proof load
 Discuss Question
Answer: Option D. -> Proof load
Question 590. Pick up the incorrect statement from the following: The torsional resistance of a shaft is directly proportional to
  1.    Modulus of rigidity
  2.    Reciprocal of the length of the shaft
  3.    Moment of inertia of the shaft section
  4.    Angle of twist
 Discuss Question
Answer: Option C. -> Moment of inertia of the shaft section

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