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Theory-of-machines Questions Set 14:

Quiz Mode

How many links are required to form a mechanism?

One

Two

Three

Four or more

Solution:

In one revolution of the crank, how many times is the secondary unbalanced force maximum?

Solution:

What is the peripheral velocity (in m/s) of medium velocity gears?

3-15 m/s

2-10 m/s

10-20 m/s

20-40 m/s

Solution:

A petrol engine develops a torque of 10 Nm at a speed of 1500 rpm. Calculate the brake power.

5.55 kW

1.57 kW

0.68 kW

7.85 kW

Solution:

Find the difference between maximum & minimum transmission angle (μ) for the given mechanism. (Round off to the nearest integer)

Solution:

For a Whitworth quick return motion mechanism, where β = 110°, find the ratio of time of cutting stroke to time of return stroke.

2.11

1.86

2.27

2.88

Solution:

Which type of gear system is used to convert rotational motion into translational motion?

Bevel gear

Double helical gear

Worm gears

Rack and pinion gears

Solution:

When does the gyroscopic effect become zero?

During the rolling of the ship

When the ship turns right during steering

When the ship turns left during steering

During the pitching of the ship

Solution:

In a vibration isolation system, the transmissibility will be equal to 1 for all values of the damping factor, if the value of the ratio of the excitation frequency to the natural frequency (ω/ω_n) is:

unity

less than √2

greater than √2

equal to √2

Solution:

In a CI (Compression Ignition) engine, if the mass of the mixture is 1 kg, the universal gas constant is 287 J/kg·K, the temperature is 300 Kelvin, and the pressure is 1 N/mm^2, determine the volume.

0.861 m^3/kg

0.566 m^3/kg

0.235 m^3/kg

0.661 m^3/kg

Theory-of-machines Questions Set 14:

How many links are required to form a mechanism?

Solution:

In one revolution of the crank, how many times is the secondary unbalanced force maximum?

Solution:

What is the peripheral velocity (in m/s) of medium velocity gears?

Solution:

A petrol engine develops a torque of 10 Nm at a speed of 1500 rpm. Calculate the brake power.

Solution:

Find the difference between maximum & minimum transmission angle (μ) for the given mechanism. (Round off to the nearest integer)

Solution:

For a Whitworth quick return motion mechanism, where β = 110°, find the ratio of time of cutting stroke to time of return stroke.

Solution:

Which type of gear system is used to convert rotational motion into translational motion?

Solution:

When does the gyroscopic effect become zero?

Solution:

In a vibration isolation system, the transmissibility will be equal to 1 for all values of the damping factor, if the value of the ratio of the excitation frequency to the natural frequency (ω/ω_n) is:

Solution:

In a CI (Compression Ignition) engine, if the mass of the mixture is 1 kg, the universal gas constant is 287 J/kg·K, the temperature is 300 Kelvin, and the pressure is 1 N/mm^2, determine the volume.

Solution:

Related Question Sets:

Related Topics:

Theory-of-machines Questions Set 14:

How many links are required to form a mechanism?

Solution:

In one revolution of the crank, how many times is the secondary unbalanced force maximum?

Solution:

What is the peripheral velocity (in m/s) of medium velocity gears?

Solution:

A petrol engine develops a torque of 10 Nm at a speed of 1500 rpm. Calculate the brake power.

Solution:

Find the difference between maximum & minimum transmission angle (μ) for the given mechanism. (Round off to the nearest integer)

Solution:

For a Whitworth quick return motion mechanism, where β = 110°, find the ratio of time of cutting stroke to time of return stroke.

Solution:

Which type of gear system is used to convert rotational motion into translational motion?

Solution:

When does the gyroscopic effect become zero?

Solution:

In a vibration isolation system, the transmissibility will be equal to 1 for all values of the damping factor, if the value of the ratio of the excitation frequency to the natural frequency (ω/ωn) is:

Solution:

In a CI (Compression Ignition) engine, if the mass of the mixture is 1 kg, the universal gas constant is 287 J/kg·K, the temperature is 300 Kelvin, and the pressure is 1 N/mm^2, determine the volume.

Solution:

Related Question Sets:

Related Topics:

In a vibration isolation system, the transmissibility will be equal to 1 for all values of the damping factor, if the value of the ratio of the excitation frequency to the natural frequency (ω/ω_n) is: