Mechanical Engineering Questions And Answers :: Machine Design: part2



Mechanical Engineering : Machine Design QUESTIONS AND ANSWERS :: part2 : 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.If d is the diameter of bolt hole then for a flanged pipe joint to be leak proof, the circumferential pitch of the bolts should be

lOVZ
10VZtol5Vd
15Vdto20VZ
20Vdto30Vd
30V5"to40Vd.

22.Maximum principal stress theory is applicable for

ductile materials
brittle materials
elastic materials
all of the above
none of the above.

23.Which process will increase the fatigue duration of parts ?

finishing and polishing
shot-peening
decarburisation
electroplating
all of the above".

24.The following type of nut is used with alien bolt

alien nut
hexagonal nut
slotted nut
castle nut
any one of the above.

25.Yield point in fatigue loading as compared to static loading is

same
higher
lower
depends on other factors
none of the above.

More Machine Design QUESTIONS AND ANSWERS available in next pages

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