Civil Engineering Applied Mechanics Online Test, Civil Engineering MCQ

The centre of gravity of a triangle is at the point where three

The forces which meet at one point and have their lines of action in different planes are called

At a given instant ship A is travelling at 6 km/h due east and ship B is travelling at 8 km/h due north. The velocity of B relative to A is

The locus of the instantaneous centre of a moving rigid body, is

A projectile is thrown at an angle a to the horizontal with α velocity v. It will have the maximum centripetal acceleration

If a body moves in such a way that its velocity increases by equal amount in equal intervals of time, it is said to be moving with

If the gravitational accelerational at any place is doubled, the weight of a body, will

A cable loaded with 0.5 tonne per horizontal metre span is stretched between supports in the same horizontal line 400 m apart. If central dip is 20 m, the minimum tension in the cable, will be

The Law of Polygon of Forces states that

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

Which one of the following statements is true ?

The product of mass and velocity of a moving a body, is called

Engineer’s units of force, is

Joule is the unit of

The maximum velocity of a body vibrating with a simple harmonic motion of amplitude 150 mm and frequency 2 vibrations/sec, is

The angle which an inclined surface makes with the horiontal when a body placed on it is on the point of moving down, is called

Work may be defined as

A bullet weighing 200 g is fired horizontally with a velocity of 25 m/sec from a gun carried on a carriage which together with the gun weighs 100 kg. The velocity of recoil of the gun, will be

The tension in a cable supporting a lift

A satellite moves in its orbit around the earth due to

If three rigid rods are hinged together to form a triangle and are given rotary as well as translatory motion, the number of instantaneous centres of the triangle, will be

The mechanical advantage of an ideal machine is 100. For moving the local through 2 m, the effort moves through

When a body in equilibrium undergoes an infinitely small displacement, work imagined to be done, is known as

To attain the synchronous orbit, the launch of a satellite, is done from a place

Pick up the correct statement from the following :

If the radius of the earth is 600 km the height of a mountain above sea level at the top of which a beat seconds pendulum at sea level, looses 27 seconds a day, is

The total time of collision and restitution of two bodies, is called

The length of a Second’s pendulum, is

A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The efficiency of the lifting machine is

A string of length 90 cm is fastened to two points A and B at the same level 60 cm apart. A ring weighing 120 g is slided on the string. A horizontal force P is applied to the ring such that it is in equilibrium vertically below B. The value of P is :