www.ThinkITI.com

Home
MCQ
Search
Free Apps
Important
Study Groups
Contact Us
Policy

Home
MCQ
Objective Questions
Engineering
Mechanical
ME Set-1
Machine Design
407

Machine Design MCQ with Answers

407) The smallest diameter of an external or internal screw thread is known as

minor diameter

major diameter

pitch diameter

none of these

Answer is:

minor diameter

Machine Design MCQ with Answers

For more MCQ's Click Here

Related Machine Design MCQ with Answers

408) The process which improves the machinability of steels, but lowers the hardness and tensile strength is

normalising

full annealing

process annealing

spheroidising

Answer is:

spheroidising

409) Which of the following statement is wrong ?

A key is used as a temporary fastening

A key is subjected to tensile stresses

A key is always inserted parallel to the axis of the shaft

A key prevents relative motion between the shaft and boss of the pulley

Answer is:

A key is subjected to tensile stresses

Which of the following statement is wrong ?

410) A screw is said to be a self locking screw, if its efficiency is

less than 50 %

more than 50%

equal to 50%

none of these

Answer is:

less than 50 %

411) An aluminium member is designed on the basis of

yield stress

elastic limit stress

proof stress

ultimate stress

Answer is:

yield stress

Machine Design MCQ with Answers

For more MCQ's Click Here