Applied Mechanics And Graphic Statics MCQ Questions & Answers

Applied Mechanics And Graphic Statics MCQ Questions & Answers | Civil Engineering

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The reaction at the support ‘A’ of the beam shown in below figure is
Applied Mechanics and Graphic Statics mcq question image

A) 2 t B) 5.8 t C) 0.2 t D) 3.5 t

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Answer & Solution

Answer: Option A

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The load shared by the member BC of the structure shown in below figure is
Applied Mechanics and Graphic Statics mcq question image

A) 23 t B) 32 t C) 4 t D) 3 t

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Answer: Option C

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$$\omega $$ rad/sec is the angular velocity of a crank whose radius is r. If it makes $${\theta ^ \circ }$$ with inner dead centre and obliquity of the connecting rod $$l$$ is $$\varphi $$, the velocity v of the piston, is given by the equation

A) $${\omega ^2}\left( {l\cos \varphi + {\text{r}}\sin \varphi \tan \theta } \right)$$ B) $${\omega ^2}\left( {l\sin\varphi + {\text{r}}\cos \varphi \tan \theta } \right)$$ C) $$\omega \left( {l\sin\varphi + {\text{r}}\cos \varphi \tan \theta } \right)$$ D) $${\omega ^2}\left( {l\sin\varphi - {\text{r}}\cos \theta \tan \varphi } \right)$$

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Answer: Option C

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The unit of rotational inertia of a body in C.G.S system is

A) cm⁴ B) kg.cm² C) gm.cm² D) gm.cm³

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Answer: Option C

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A solid sphere of mass M and radius R rolls down a plane inclined at $$\theta $$ with the horizontal. The acceleration of sphere is (where g is acceleration due to gravity)

A) $$\frac{1}{3}{\text{g}}\sin \theta $$ B) $$\frac{2}{5}{\text{g}}\sin \theta $$ C) $$\frac{3}{7}{\text{g}}\sin \theta $$ D) $$\frac{5}{7}{\text{g}}\sin \theta $$

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Answer: Option D

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The ratio of unit of force in gravitational system to that in absolute system is (where ‘$${\text{g}}$$’ is acceleration due to gravity)

A) 1 B) $${\text{g}}$$ C) $$\frac{1}{{\text{g}}}$$ D) None of the above

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Answer: Option B

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A heavy ladder resting on a floor and against a vertical wall may not be in equilibrium, if

A) Floor is smooth and the wall is rough B) Floor is rough and the wall is smooth C) Floor and wall both are smooth surfaces D) Floor and wall both are rough surfaces

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Answer: Option C

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A point subjected to a number of forces will be in equilibrium, if

A) Sum of resolved parts in any two directions at right angles, are both zero B) Algebraic sum of the forces is zero C) Two resolved parts in any two directions at right angles are equal D) Algebraic sum of the moments of the forces about the point is zero

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Answer: Option A

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If the tension in a cable supporting a lift moving upwards is twice the tension when the lift is moving downwards, the acceleration of the lift, is

A) $$\frac{{\text{g}}}{2}$$ B) $$\frac{{\text{g}}}{3}$$ C) $$\frac{{\text{g}}}{4}$$ D) $$\frac{{\text{g}}}{5}$$

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Answer: Option B

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Minimum potential energy of a system will be in the position of

A) Stable equilibrium B) Unstable equilibrium C) Neutral equilibrium D) All of the above

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Answer: Option A

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