Sail E0 Webinar

MCQs

Total Questions : 1033 | Page 7 of 104 pages
Question 61. A number of forces acting at a point will be in equilibrium if
  1.     Their total sum is zero
  2.     Two resolved parts in two directions at right angles are equal
  3.     Sum of resolved parts in any two perpendicular directions are both zero
  4.     All of them are inclined equally
 Discuss Question
Answer: Option C. ->  Sum of resolved parts in any two perpendicular directions are both zero
Question 62. The coefficient of friction depends on
  1.     area of contact
  2.     shape of surfaces
  3.     strength of surfaces
  4.     nature of surface
 Discuss Question
Answer: Option D. ->  nature of surface
Question 63. A force acting on a body may
  1.     introduce internal stresses
  2.     retard its motion
  3.     change its motion
  4.     all of the above.
 Discuss Question
Answer: Option D. ->  all of the above.
Question 64. The algebraic sum of moments of the forces forming couple about any point in their plane is
  1.     equal to the moment of the couple
  2.     constant
  3.     both of above are correct
  4.     both of above are wrong
 Discuss Question
Answer: Option A. ->  equal to the moment of the couple
Question 65. The c.g. of a right circular solid cone of height h lies at the following distance from the base
  1.     h/2
  2.     J/3
  3.     h/6
  4.     h/4
 Discuss Question
Answer: Option D. ->  h/4
Question 66. The effort required to lift a load w on a screw jack with helix angle a and angle of friction<="" div="">
  1.     Wtan(a + )
  2.     Wtan(a-)
  3.     Wcos(a + )
  4.     Wsin(a + )
 Discuss Question
Answer: Option A. ->  Wtan(a + )
Question 67. According to principle of moments
  1.     if a system of coplanar forces is in equilibrium, then their algebraic sum is zero
  2.     if a system of coplanar forces is in equilibrium, then the algebraic sum of their moments about any point in their plane is zero
  3.     the algebraic sum of the moments of any two forces about any point is equal to moment of theiwesultant about the same point
  4.     positive and negative couples can be balanced
 Discuss Question
Answer: Option B. ->  if a system of coplanar forces is in equilibrium, then the algebraic sum of their moments about any point in their plane is zero
Question 68. Which of the following is not the unit of pressure ?
  1.     kg/cm
  2.     atmosphere
  3.     mm of wcl
  4.     newton.
 Discuss Question
Answer: Option D. ->  newton.
Question 69. In the equation of virtual work, following force is neglected
  1.     reaction of any smooth surface with which the body is in contact
  2.     reaction of a rough surface of a body which rolls on it without slipping
  3.     reaction at a point or an axis, fixed in space, around which a body is con-strained to turn
  4.     all of the above
 Discuss Question
Answer: Option D. ->  all of the above
Question 70. A flywheel on a motor goes from rest to 1000 rpm in 6 sec. the number of revolutions made is nearly equal to
  1.     25
  2.     50
  3.     100
  4.     250
 Discuss Question
Answer: Option B. ->  50

Latest Videos
Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)
Direction Sense Test Part 1 Reasoning (Hindi)
Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE
Cube & Cuboid Part 1 Reasoning (Hindi)
Data Interpretation (DI) Basic Concept Reasoning (Hindi)
Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)
Sail E0 free webinar Webinars
Real Numbers Part 7 Class 10 Maths
Real Numbers Part 1 Class 10 Maths
Polynomials Part 1 Class 10 Maths

Latest Test Papers

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI
Tabulation - Test Paper 2 Data Interpretation Reasoning & DI
Test Paper 1 Direction Sense Test Reasoning & DI
ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0
GFM Combined 1 Free Revision Test SAIL JO E-0