MEC 107 MCQ 5








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MEC 107 MCQ 1

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  Mechanics Practice set paper 1 1)   Forces passing through a common point are known as _____  a.  collinear forces b.  co-planer forces c.  concurrent forces  d.  none of the above 2)   Varignon's theorem is used to find ________ a.  direction of resultant force b.  location of resultant force  c.  magnitude of resultant force d.  nature of resultant force 3)   Couple is formed due to two ______ a.  like, parallel and non-collinear forces of same magnitude b.  like, perpendicular and collinear forces of different magnitude c.  unlike, parallel and non-collinear forces of same magnitude  d.  unlike, perpendicular and non-collinear forces of different magnitude 4)   Which of the following laminas do not have centroid at its geometrical centre? a.  Circle b.  Equilateral triangle c.  Right angled triangle  d.  None of the above 5)   If a material has no uniform density throughout the body, then the position of centroid
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MEC 107 MCQ 7

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Mechanics Practice paper 5 41)   Identify the type of truss shown below. a.  Deficient truss  b.  Perfect truss c.  Redundant truss d.  All of the above 42)   Which of the following statements is false about frame/truss? a.  Bent member is never used in a truss b.  Internal hinges are used to connect members in a truss  c.  All members in the truss are two force members d.  Multiforce members can be used in a frame 43)   Which motion has magnitude of static frictional force directly proportional to normal reaction? a.  Actual motion b.  Impending motion  c.  Both a. and b. d.  None of the above 44)   Which formula is used to calculate angle of static friction (Φ s )? a.  tan -1  μ s   b.  sin -1  μ s c.  cos -1  μ s d.  none of the above 45)   Frictional force depends on ________ a.  surface area in contact b.  roughness of surface   c.  both a. and b. d.  none of the above 46)   Which of the following conditio
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