Users Also Read

MCQ's Search Engine

Electrical Engineering

Mechanical Engineering

Civil Engineering

Automobile Engineering

Chemical Engineering

Computer Engineering

Electronics Engineering

Medical Science Engg

Q1. | The motion of the wheel of a bicycle is known as |

A. | Rotary [Wrong Answer] |

B. | Curvilinear [Wrong Answer] |

C. | Translatory [Wrong Answer] |

D. | Rotary and translatory [Correct Answer] |

View Answer
Explanation:-
Answer : DDiscuss it below :!! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ The condilion for a lifting machine to be reversible is that its efficiency should be

less than 50%

more than 50%

more than 66.67%

equal to 100%

⇒ The number of funicular polygons which can be drawn to pass through two specified points in the space diagram are

zero

1

2

infinity

⇒ Force is

Scalar quantity

Linear quantity

Vector quantity

Non-measurable quantity

⇒ Angular velocity is generally represented by

ω

π

∝

θ

⇒ The member forces in a statically indeterminate truss

Can be obtained by graphic statics

Can not be obtained by graphic statics

May be obtained by graphic statics

None of these

⇒ When a circular wheel rolls on a straight track, then the shape of body centrode and space centrode respectively are

straight line and parabola

straight line and circle

circle and straight line

circle and parabola

⇒ The diagram showing the point of application and line of action of forces in their plane is called

vector diagram

space diagram

force diagram

funicular diagram

⇒ A particle is dropped from a height of 3 m on a horizontal floor, which has a coefficient of restitution with the ball of 1/2. The height to which the ball will rebound after striking the floor is

0.5 m

0.75 m

1.0 m

1.5 m

⇒ The condition of equilibrium for any system of forces in a plane is

The resultant couple must be zero

The polygon of forces must close

Both (A) and (B)

None of these

⇒ A quantity whose dimensions are M2L2 T3 could be the product of

force and pressure

mass and power

energy and velocity

force and velocity

⇒ Concurrent forces are those forces whose lines of action

Lie on the same line

Meet at one point

Meet on the same plane

None of the above

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

floor is smooth and wall is rough

floor is rough and wall is rough

both floor and wall are rough

both floor and wall are smooth

⇒ The centre of gravity of a plane lamina will not be at its geometrical centre if it is a

Circle

Right angled triangle

Square

Rectangle

⇒ In terms of work, power is defined as

Quantity of work

Rate of doing work

Capacity of doing work

Rate of change of doing work

⇒ Williot Mohr's diagram is used to determine deflection in

Beams

Trusses

Rigid frames

All of them

⇒ When two forces, each equal to P, act at 90° to each other, then the resultant will be

P

PV2

P/V2

2P

⇒ For a given velocity of a projectile the range is maximum Mien the angle of projection is

30°

45°

60°

90°

⇒ A system of copianar forces acting on a rigid body can be reduced to

one force only

one couple only

one force and one couple only

none of the above

⇒ The locus of all instantaneous centres is called as

Moment of inertia

Centrode

Centre of gravity

Centre of pressure

⇒ The distance from the axis of reference where the whole mass or area of a body is assumed to be concentrated is known

Lever arm

Moment of inertia

Centre of gravity

Radius of gyration

⇒ For a perfect frame, the relation between number of joints 'j' and number of members 'n' will be

n = 2j

n> 2j - 3

n - 3 = 2j

n= 2j - 3

⇒ If the number of members provided is more than the requirement, then the frame is called a

Perfect frame

Redundant frame

Deficient frame

Portal frame

⇒ The unit of angular displacement is

Radian

Radian per second

Radian per second per second

Pie (π)

⇒ If a set of given forces are such that their free vectors build a closed polygon, then

the resultant force and resultant couple are always zero

the resultant force is zero but resultant couple is not zero

the resultant force is zero but resultant couple may not be zero

the resultant force and resultant couple both may not be zero

⇒ In actual machines mechanical advantage is

Unity

Less than unity

Less than velocity ratio

Greater than velocity ratio

⇒ A symmetrical body is rotating about its axis of symmetry, its moment of inertia about the axis of rotation being 2 kg m2 and its rate of rotation 2 revolutions/see. The angular momentum of the body in kg-m2/sec is

4

6 7i

8TC

8

⇒ The member forces in a statically in determinate truss

can be obtained by graphic statics

cannot be obtained by graphic statics

may be obtained by graphic statics

can be obtained by graphic statics by trial and error

⇒ A disc of mass 4 kg, radius 0.5m and moment of inertia 3 kg-m2 rolls on a horizontal surface so that its centre moves with speed 5 m/see. Kinetic energy of the disc is

50 J

150 J

200 J

400 J

⇒ The angular speed of a car while taking a circular turn of radius 100m at 36 km/hour, is

0.1 radian/sec

1 radian/sec

100 radian/sec

1000 radian/sec

⇒ Generally in most of the machines, when mechanical advantage is greater than one, then its velocity ratio should also be

Less than one

Equal to one

Greater than one

Equal to efficiency