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Machine Design QUESTIONS AND ANSWERS

Mechanical Engineering : Machine Design QUESTIONS AND ANSWERS :: part3 : 21 to 25

Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

21.The edges of a boiler plate are beveled to an angle of

30�

45�

60�

80�

85�.

22.The deflection of a cantilever beam under load W is 8. If its width is halved, then the deflection under load W will be

8/2

8/4

none of the above.

23.Cap screws are

similar to small size tap bolts except that a greater variety of shapes of heads are available

slotted for a screw driver and generally used with a nut

used to prevent relative motion be-tween parts

provided with detachable caps

similar to stud.

24.In order to avoid tearing of the plate at edge, the distance from the center line of the rivet hole to the nearest edge of the plate in terms of dia. of rivet d should be equal to

1.25 d

1.5 d

1.75 d

2 d.

25.Set screws are

similar to small size tap bolts except that a greater variety of shapes of heads are available

slotted for a screw driver and generally used with a nut

used to prevent relative motion be-tween parts

similar to stud

none of the above.

More Machine Design QUESTIONS AND ANSWERS available in next pages