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Theory-of-machines Questions Set 29:

Quiz Mode

A linkage comprises of 6 loops and 15 links. Find the degree of freedom.

Solution:

The pressure angle in involute gears is

Constant

Variable

Dependent on teeth size

Dependent on gear size

Solution:

The number of degrees of freedom of a planar linkage with 8 links and 9 simple revolute joints is:

Solution:

Which tooth profile is commonly used for power transmission in gear drives?

Involute

Cycloid

Ellipse

Parabola

Solution:

In a vibration isolation system, if ω / ω_n < √2, then for all values of damping factor, the transmissibility will always be:

Greater than 1

Equal to 1

Equal to 0

Less than 1

Solution:

The component of the acceleration, parallel to the velocity of the particle, at the given instant is known as __________?

radial component

tangential component

coriolis component

none of the above

Solution:

What is the primary use of a flywheel in an internal combustion engine?

Release and store energy as per the requirement for the prime mover

Rotate the camshaft

Provide all energy for piston movement

None of the above

Solution:

A circular disc of uniform thickness 30 mm, radius 500 mm, and mass 10 kg is used as a flywheel. If it rotates at 300 rpm, the kinetic energy of the flywheel in joules is

395 Joules

790 Joules

616 Joules

1580 Joules

Solution:

In a compound gear train, there are six gears labeled A, B, C, D, E, and F. The number of teeth on each gear is 20, 70, 30, 90, 35, and 75, respectively. What is the ratio of the angular speed of the driven gear F to the driver gear A?

0.01

0.02

0.03

0.04

Solution:

Two links OA and OB are connected by a pin joint at O. Link OA turns with angular velocity ω1 rad/s in the clockwise direction and link OB turns with angular velocity ω2 rad/s in the clockwise direction. The rubbing velocity at the pin joint O is (where r = Radius of the pin at O):

(ω1 + ω2)r

ω1·ω2·r

(ω1 - ω2)2r

(ω1 - ω2)r

Theory-of-machines Questions Set 29:

A linkage comprises of 6 loops and 15 links. Find the degree of freedom.

Solution:

The pressure angle in involute gears is

Solution:

The number of degrees of freedom of a planar linkage with 8 links and 9 simple revolute joints is:

Solution:

Which tooth profile is commonly used for power transmission in gear drives?

Solution:

In a vibration isolation system, if ω / ω_n < √2, then for all values of damping factor, the transmissibility will always be:

Solution:

The component of the acceleration, parallel to the velocity of the particle, at the given instant is known as __________?

Solution:

What is the primary use of a flywheel in an internal combustion engine?

Solution:

A circular disc of uniform thickness 30 mm, radius 500 mm, and mass 10 kg is used as a flywheel. If it rotates at 300 rpm, the kinetic energy of the flywheel in joules is

Solution:

In a compound gear train, there are six gears labeled A, B, C, D, E, and F. The number of teeth on each gear is 20, 70, 30, 90, 35, and 75, respectively. What is the ratio of the angular speed of the driven gear F to the driver gear A?

Solution:

Two links OA and OB are connected by a pin joint at O. Link OA turns with angular velocity ω1 rad/s in the clockwise direction and link OB turns with angular velocity ω2 rad/s in the clockwise direction. The rubbing velocity at the pin joint O is (where r = Radius of the pin at O):

Solution:

Related Question Sets:

Related Topics:

Theory-of-machines Questions Set 29:

A linkage comprises of 6 loops and 15 links. Find the degree of freedom.

Solution:

The pressure angle in involute gears is

Solution:

The number of degrees of freedom of a planar linkage with 8 links and 9 simple revolute joints is:

Solution:

Which tooth profile is commonly used for power transmission in gear drives?

Solution:

In a vibration isolation system, if ω / ωn < √2, then for all values of damping factor, the transmissibility will always be:

Solution:

The component of the acceleration, parallel to the velocity of the particle, at the given instant is known as __________?

Solution:

What is the primary use of a flywheel in an internal combustion engine?

Solution:

A circular disc of uniform thickness 30 mm, radius 500 mm, and mass 10 kg is used as a flywheel. If it rotates at 300 rpm, the kinetic energy of the flywheel in joules is

Solution:

In a compound gear train, there are six gears labeled A, B, C, D, E, and F. The number of teeth on each gear is 20, 70, 30, 90, 35, and 75, respectively. What is the ratio of the angular speed of the driven gear F to the driver gear A?

Solution:

Two links OA and OB are connected by a pin joint at O. Link OA turns with angular velocity ω1 rad/s in the clockwise direction and link OB turns with angular velocity ω2 rad/s in the clockwise direction. The rubbing velocity at the pin joint O is (where r = Radius of the pin at O):

Solution:

Related Question Sets:

Related Topics:

In a vibration isolation system, if ω / ω_n < √2, then for all values of damping factor, the transmissibility will always be: