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MCQs

Total Questions : 2607 | Page 1 of 261 pages
Question 1. Euler’s formula for a mild steel column is not valid if the slenderness ratio is
  1.     90
  2.     60
  3.     120
  4.     100
 Discuss Question
Answer: Option B. ->  60
Question 2. Two shafts ‘a’ and ‘b’ under pure torsion are of identical length and identical weight and are made of the same material. the shaft ‘a’ is solid and the shaft ‘b’ is hollow. we can say that
  1.     Shaft B is better than shaft A
  2.     Shaft A is better than shaft B
  3.     Both the shafts are equally good
  4.     None of these
 Discuss Question
Answer: Option A. ->  Shaft B is better than shaft A
Question 3. A bolt of m 24 × 2 means that
  1.     The pitch of the thread is 24 mm and depth is 2 mm
  2.     Cross-sectional area of the threads is 24 mm²
  3.     The nominal diameter of bolt is 24 mm and pitch is 2 mm
  4.     The effective diameter of bolt is 24 mm and there are 2 threads per cm
 Discuss Question
Answer: Option C. ->  The nominal diameter of bolt is 24 mm and pitch is 2 mm
Question 4. A bolt of m 24 × 2 means that
  1.     The pitch of the thread is 24 mm and depth is 2 mm
  2.     Cross-sectional area of the threads is 24 mm²
  3.     The nominal diameter of bolt is 24 mm and pitch is 2 mm
  4.     The effective diameter of bolt is 24 mm and there are 2 threads per cm
 Discuss Question
Answer: Option C. ->  The nominal diameter of bolt is 24 mm and pitch is 2 mm
Question 5. If t₁ and t₂ are the tensions on the tight and slack sides of the belt respectively, and tc is the centrifugal tension, then initial tension in the belt is equal to
  1.     T₁ - T₂ + Tc
  2.     T₁ + T₂ + Tc
  3.     (T₁ - T₂ + Tc)/2
  4.     (T₁ + T₂ + Tc)/2
 Discuss Question
Answer: Option D. ->  (T₁ + T₂ + Tc)/2
Question 6. The bending moment ‘m’ and a torque ‘t’ is applied on a solid circular shaft. if the maximum bending stress equals to maximum shear stress developed, then ‘m’ is equal to
  1.     T/2
  2.     1 T
  3.     2 T
  4.     4 T
 Discuss Question
Answer: Option A. ->  T/2
Question 7. Euler’s formula for a mild steel column is not valid if the slenderness ratio is
  1.     90
  2.     60
  3.     120
  4.     100
 Discuss Question
Answer: Option B. ->  60
Question 8. Two shafts ‘a’ and ‘b’ under pure torsion are of identical length and identical weight and are made of the same material. the shaft ‘a’ is solid and the shaft ‘b’ is hollow. we can say that
  1.     Shaft B is better than shaft A
  2.     Shaft A is better than shaft B
  3.     Both the shafts are equally good
  4.     None of these
 Discuss Question
Answer: Option A. ->  Shaft B is better than shaft A
Question 9. 18/8 steel contains
  1.     18% nickel and 8% chromium
  2.     18% chromium and 8% nickel
  3.     18% nickel and 8% vanadium
  4.     18% vanadium and 8% nickel
 Discuss Question
Answer: Option B. ->  18% chromium and 8% nickel
Question 10. Two shafts ‘a’ and ‘b’ under pure torsion are of identical length and identical weight and are made of the same material. the shaft ‘a’ is solid and the shaft ‘b’ is hollow. we can say that
  1.     Shaft B is better than shaft A
  2.     Shaft A is better than shaft B
  3.     Both the shafts are equally good
  4.     None of these
 Discuss Question
Answer: Option A. ->  Shaft B is better than shaft A

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