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# Test: Engineering Mechanics - 3

## 25 Questions MCQ Test Engineering Mechanics - Notes, Videos, MCQs & PPTs | Test: Engineering Mechanics - 3

Description
This mock test of Test: Engineering Mechanics - 3 for Mechanical Engineering helps you for every Mechanical Engineering entrance exam. This contains 25 Multiple Choice Questions for Mechanical Engineering Test: Engineering Mechanics - 3 (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Engineering Mechanics - 3 quiz give you a good mix of easy questions and tough questions. Mechanical Engineering students definitely take this Test: Engineering Mechanics - 3 exercise for a better result in the exam. You can find other Test: Engineering Mechanics - 3 extra questions, long questions & short questions for Mechanical Engineering on EduRev as well by searching above.
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QUESTION: 2

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QUESTION: 3

### The overturning of a vehicle on a level circular path can be avoided if the velocity of vehicle is __________ .

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QUESTION: 4

Which of the following is a scalar quantity?

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QUESTION: 5

The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction in which the force acts. This statement is known as

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QUESTION: 6

In ideal machines, mechanical advantage is __________ velocity ratio.

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QUESTION: 7

The minimum force required to slide a body of weight W on a rough horizontal plane is

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QUESTION: 8

The moment of inertia of a square of side a about its diagonal is

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QUESTION: 9

The angular velocity (in rad / s) of a body rotating at N revolutions per minute is

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QUESTION: 10

The maximum efficiency of a lifting machine is

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QUESTION: 11

The centre of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius.

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QUESTION: 12

The process of finding out the resultant force is called __________ of forces.

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QUESTION: 13

A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is

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QUESTION: 14

In a framed structure, as shown in the below figure, the force in the member BC is Solution:
QUESTION: 15

The potential energy of a vertically raised body is __________ the kinetic energy of a vertically falling body.

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QUESTION: 16

If a number of forces acting at a point be represented in magnitude and direction by the three sides of a triangle, taken in order, then the forces are not in equilibrium.

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QUESTION: 17

The periodic time of a particle with simple harmonic motion is __________ proportional to the angular velocity.

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QUESTION: 18

The motion of a particle round a fixed axis is

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QUESTION: 19

A block of mass m1, placed on an inclined smooth plane is connected by a light string passing over a smooth pulley to mass m2, which moves vertically downwards as shown in the below figure. The tension in the string is Solution:
QUESTION: 20

If a given force (or a given system of forces) acting on a body __________ the position of the body, but keeps it in equilibrium, then its effect is to produce internal stress in the body.

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QUESTION: 21

The principle of transmissibility of forces states that, when a force acts upon a body, its effect is

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QUESTION: 22

A differential pulley block has larger and smaller diameters of 100 mm and 80 mm respectively. Its velocity ratio is

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QUESTION: 23

If three forces acting at a point are represented in magnitude and direction by the three sides of a triangle, taken in order, then the forces are in equilibrium.

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QUESTION: 24

Newton's second law motion __________ a relation between force and mass of a moving body.

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QUESTION: 25

The periodic time of one oscillation for a simple pendulum is(where l = Length of the pendulum.)

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