305) When the frictional force helps to apply the brake, then the brake is said to be self-energizing brake.

Answer is:

Correct

Machine Design MCQ with Answers

For more MCQ's Click Here

306) Multiple threads are used to secure

Answer is:

high efficiency

307) The fatigue limit of a material is greatly decreased by poor surface conditions.

Answer is:

Agree

308) The value of Lewis form factor used in design of gears is

Answer is:

all of these

Explanation:

The value of Lewis form factor used in design of gears is
* dependent on number of teeth of a gear
* dependent on system of teeth
* independent of size of teeth

309) The maximum bending stress in a curved beam having symmetrical section always occur at the

Answer is:

inside fibre

Machine Design MCQ with Answers

For more MCQ's Click Here

305) When the frictional force helps to apply the brake, then the brake is said to be self-energizing brake.

Correct

Machine Design MCQ with Answers

Related Machine Design MCQ with Answers

306) Multiple threads are used to secure

high efficiency

307) The fatigue limit of a material is greatly decreased by poor surface conditions.

Agree

308) The value of Lewis form factor used in design of gears is

all of these

309) The maximum bending stress in a curved beam having symmetrical section always occur at the

inside fibre

Machine Design MCQ with Answers