Mechatronics Mock Test 7

10%

Question 1 of 10

1. Single row deep groove ball bearing can bear more radial load than double row deep groove ball bearing.

False

True

Question 1 of 10

Question 2 of 10

2. What is the minimum number of tooth, a ratchet should have?

Question 2 of 10

Question 3 of 10

3. Which is the smallest circle that can be drawn on a cam profile?

Prime circle

Addendum circle

Dedendum circle

Base circle

Question 3 of 10

Question 4 of 10

4. What is the torque offered by a gear, if the tangential force is 20 N and radius of the gear is 0.5m?

15Nm

2.55Nm

5Nm

10Nm

Question 4 of 10

Question 5 of 10

5. A partially circular chain has perimeter of 10cm and is made up of 2 cm links. How many links are present in total?

12m

10m

Question 5 of 10

Question 6 of 10

6. What is the purpose of pawl, when it is used against a ratchet which is attached to a shaft?

It is used to create additional friction force for the shaft

It allows bidirectional motion of shaft

It does not allow motion of shaft

It allows unidirectional motion of shaft

Question 6 of 10

Question 7 of 10

7. What is the degree of freedom of Ozone?

Question 7 of 10

Question 8 of 10

8. The angle of contact is greater for cross belt drives.

False

True

Question 8 of 10

Question 9 of 10

9. What is the maximum distance, a pawl can travel during the backward motion of a ratchet?

It is equal to the radius of the ratchet

It is equal to the distance between two alternating teeth

It is equal to the perimeter of the ratchet

It is equal to the distance between two adjacent teeth

Question 9 of 10

Question 10 of 10

10. What is the type of preload called when a bearing experiences a stress due to negative clearance?

Bearing preload

Fastener preload

Testing preload

Stress preload

Question 10 of 10