Applied Mechanics And Graphic Statics MCQ Questions & Answers

1

In case of S.H.M. the period of oscillation (T), is given by

A) $${\text{T}} = \frac{{2\omega }}{{{\pi ^2}}}$$ B) $${\text{T}} = \frac{{2\pi }}{\omega }$$ C) $${\text{T}} = \frac{2}{\omega }$$ D) $${\text{T}} = \frac{\pi }{{2\omega }}$$

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Answer & Solution

Answer: Option B

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2

The angular speed of a car taking a circular turn of radius 100 m at 36 km/hr will be

A) 0.1 rad/sec B) 1 rad/sec C) 10 rad/sec D) 100 rad/sec

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Answer & Solution

Answer: Option A

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3

A body is said to move with Simple Harmonic Motion if its acceleration, is

A) Always directed away from the centre, the point of reference B) Proportional to the square of the distance from the point of reference C) Proportional to the distance from the point of reference and directed towards it D) Inversely proportion to the distance from the point of reference

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Answer & Solution

Answer: Option C

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4

The resultant of two forces P and Q acting at an angle $$\theta $$, is

A) $${{\text{P}}^2} + {{\text{Q}}^2} + 2{\text{P}}\sin \theta $$ B) $${{\text{P}}^2} + {{\text{Q}}^2} + 2{\text{PQ}}\cos \theta $$ C) $${{\text{P}}^2} + {{\text{Q}}^2} + 2{\text{PQ}}\tan \theta $$ D) $$\sqrt {{{\text{P}}^2} + {{\text{Q}}^2} + 2{\text{PQ}}\cos \theta } $$ E) $$\sqrt {{{\text{P}}^2} + {{\text{Q}}^2} + 2{\text{PQ}}\sin \theta } $$

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Answer & Solution

Answer: Option D

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5

Parallelogram Law of Forces states, "if two forces acting simultaneously on a particle be represented in magnitude and direction by two adjacent sides of a parallelogram, their resultant may be represented in magnitude and direction by

A) Its longer side B) Its shorter side C) The diagonal of the parallelogram which does not pass through the point of intersection of the forces D) The diagonal of the parallelogram which passes through the point of intersection of the forces

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Answer: Option D

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6

A ball is dropped from a height of 2.25 m on a smooth floor and rises to a height of 1.00 m after the bounce. The coefficient of restitution between the ball and the floor is

A) 0.33 B) 0.44 C) 0.57 D) 0.67

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Answer: Option D

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7

A marble ball is rolled on a smooth floor of a room to hit a wall. If the time taken by the ball in returning to the point of projection is twice the time taken in reaching the wall, the coefficient of restitution between the ball and the wall, is

A) 0.25 B) 0.50 C) 0.75 D) 1.0

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Answer & Solution

Answer: Option B

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8

In a lifting machine a weight of 5 kN is lifted through 200 mm by an effort of 0.1 kN moving through 15 m. The mechanical advantage and velocity ratio of the machine are respectively

A) 50 and 75 B) 75 and 50 C) 75 and 75 D) 50 and 50

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Answer: Option A

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9

In SI units, the units of force and energy are respectively

A) Newton and watt B) Dyne and erg C) Newton and joule D) kg wt and joule

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Answer & Solution

Answer: Option C

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10

The centre of gravity of the trapezium as shown in below figure from the side is at a distance of
Applied Mechanics and Graphic Statics mcq question image

Applied Mechanics and Graphic Statics mcq question image

A) $$\frac{{\text{h}}}{3} \times \frac{{{\text{b}} + {\text{2a}}}}{{{\text{b}} + {\text{a}}}}$$ B) $$\frac{{\text{h}}}{3} \times \frac{{2{\text{b}} + {\text{a}}}}{{{\text{b}} + {\text{a}}}}$$ C) $$\frac{{\text{h}}}{2} \times \frac{{{\text{b}} + {\text{2a}}}}{{{\text{b}} + {\text{a}}}}$$ D) $$\frac{{\text{h}}}{2} \times \frac{{2{\text{b}} + {\text{a}}}}{{{\text{b}} + {\text{a}}}}$$

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Answer: Option A

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