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    Mechanical Engineering : Machine Design Question & Answer in English

21.
Which of the following joint is commonly used for joining pipes carrying water at low pressure?
A.  Union joint
B.  Spigot & socket joint
C.  Coupler joint or a socket joint
D.  Nipple joint

22.
A rivet is specified by
A.  Shank diameter
B.  Length of rivet
C.  Type of head
D.  Length of tail

23.
The centre of centre distance between two consecutive rivets in a row is called
A.  Margin
B.  Pitch
C.  Back pitch
D.  Diagonal pitch

24.
Which of the following riveted butt joints with double straps should have the highest efficiency as per Indian boiler regulations?
A.  Single riveted
B.  Double riveted
C.  Triple riveted
D.  Quadruple riveted

25.
The transverse fillet welded joints are designed for
A.  Tensile strength
B.  Compressive strength
C.  Bending strength
D.  Shear strength

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