343) A key made from a cylindrical disc having segmental cross-section, is known as

feather key

gib-head key

wood ruff key

flat saddle key

Answer is:

wood ruff key

Machine Design MCQ with Answers

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344) The helix angle for double helical gears may be made up to

45 Degree

60 Degree

75 Degree

90 Degree

Answer is:

45 Degree

345) The pressure angle of a cam is the angle between the direction of the follower motion and a normal to the pitch curve.

Correct

Incorrect

Answer is:

Correct

346) A fast and loose pulley drive is used when

shafts are arranged parallel and rotate in the opposite directions

shafts are arranged parallel and rotate in the same directions

shafts are arranged at right angles and rotate in one definite direction

driven shaft is to be started or stopped whenever desired without interferring with the driving shaft

Answer is:

driven shaft is to be started or stopped whenever desired without interferring with the driving shaft

A fast and loose pulley drive is used when

347) Which of the following screw thread is adopted for power transmission in either direction?

Acme threads

Square threads

Buttress threads

Multiple threads

Answer is:

Square threads

Machine Design MCQ with Answers

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343) A key made from a cylindrical disc having segmental cross-section, is known as

wood ruff key

Machine Design MCQ with Answers

Related Machine Design MCQ with Answers

344) The helix angle for double helical gears may be made up to

45 Degree

345) The pressure angle of a cam is the angle between the direction of the follower motion and a normal to the pitch curve.

Correct

346) A fast and loose pulley drive is used when

driven shaft is to be started or stopped whenever desired without interferring with the driving shaft

347) Which of the following screw thread is adopted for power transmission in either direction?

Square threads

Machine Design MCQ with Answers