### Related Questions

What is the correct answer?

4

# A machine mounted on a single coil spring has a period of free vibration of tp . If the spring is cut into four equal parts and placed in parallel and the machine is mounted on them, then the period of free vibration of the new system will become

What is the correct answer?

4

# Any point on a link connecting double slider crank chain will trace a

What is the correct answer?

4

# The pair is known as a higher pair, when the relative motion between the elements of a pair is

D. Partly turning and partly sliding

What is the correct answer?

4

# The mechanism in which two are turning pairs and two are sliding pairs, is called a

A. Double slider crank chain

What is the correct answer?

4

# A foot step bearing and rotor of a vertical turbine form examples of

A. Incompletely constrained motion

B. Partially constrained motion

C. Completely constrained motion

D. Successfully constrained motion

What is the correct answer?

4

# In order to give the primary balance of the reciprocating parts of a multi-cylinder inline engines,

A. The algebraic sum of the primary forces must be equal to zero

B. The algebraic sum of the couples about any point in the plane of the primary forces must be equal to zero

What is the correct answer?

4

# Governor is used in automobile to

A. Decrease the variation of speed

B. Maximize the fuel economy

C. Limit the vehicle speed

D. Maintain constant engine speed

What is the correct answer?

4

# Under logarithmic decrement, the amplitude of successive vibrations are

B. In arithmetic progression

C. In geometric progression

D. In logarithmic progression

What is the correct answer?

4

# The transmissibility, for all values of damping factor, will be less than unity, if ω/ω_{n} is

What is the correct answer?

4

# The number of links in pantograph mechanism is equal to

What is the correct answer?

4

# The number of centers in a crank driven slider crank mechanism is

What is the correct answer?

4

# The swaying couple is due to the

A. Primary unbalanced force

B. Secondary unbalanced force

C. Two cylinders of locomotive

What is the correct answer?

4

# Rectangular bar in a rectangular hole is the following type of pair

A. Completely constrained motion

B. Partially constrained motion

C. Incompletely constrained motion

D. Freely constrained motion

What is the correct answer?

4

# For a twin cylinder V-engine, the crank positions for primary reverse cranks and secondary direct cranks are shown in the below figure. The engine is a

What is the correct answer?

4

# The two elements of a pair are said to form a _________ when they permit relative motion between them.

What is the correct answer?

4

# When the two elements of a pair have __________ when in motion, it is said to a lower pair.

What is the correct answer?

4

# Length of arc of contact is given by

A. Arc of approach - Arc of recess

B. Arc of approach + Arc of recess

C. Arc of approach / Arc of recess

D. Arc of approach × Arc of recess

What is the correct answer?

4

# The periodic time of one oscillation for a simple pendulum is

What is the correct answer?

4

# Higher pairs are those which have

A. Point or line contact between the two elements when in motion

B. Surface contact between the two elements when in motion

C. Elements of pairs not held together mechanically

D. Two elements that permit relative motion

What is the correct answer?

4

# The lower pairs are __________ pairs.

What is the correct answer?

4

# When a ship travels in a sea, which of the effect is more dangerous

What is the correct answer?

4

# Module of a gear is

What is the correct answer?

4

# The direction of Coriolis component of acceleration is the direction

A. Of relative velocity vector for the two coincident points rotated by 90° in the direction of the angular velocity of the rotation of the link

B. Along the centripetal acceleration

C. Along tangential acceleration

D. Along perpendicular to angular velocity

What is the correct answer?

4

# In multi V-belt transmission, if one of the belt is broken, we have to change the

B. Broken belt and its adjacent belts

D. There is no need of changing any one as remaining belts can take care of transmission of load

What is the correct answer?

4

# The length of a simple pendulum which gives the same frequency as the compound pendulum, is

What is the correct answer?

4

# The periodic time is given by (where ω = Angular velocity of the particle in rad/s)

What is the correct answer?

4

# A higher pair has__________.

What is the correct answer?

4

# A slider crank chain consists of following numbers of turning and sliding pairs

What is the correct answer?

4

# A cam mechanism imparts following motion

What is the correct answer?

4

# At the nodal point in a shaft, the amplitude for torsional vibration will be