1000+ Manufacturing, Industrial & Maintenance Engineering MCQ Questions - 2
Question: 6
T-joint weld is used
(A) to join two pieces perpendicularly
(B) where longitudinal shear is present
(C) where severe loading is encountered and the upper surface of both pieces must be in the same plane
(D) to join two pieces of metal in the same manner as rivet joint metals
Ans: B
where longitudinal shear is present
Question: 7
In straight polarity welding
(A) work is negative and holder is earthed
(B) work is positive and holder is earthed
(C) electrode holder is connected to the positive and work to negative
(D) electrode holder is connected to the negative and work to positive
Ans: D
electrode holder is connected to the negative and work to positive
Question: 8
Filler material in welding should have
(A) same composition and same melting temperature as the parent metal to be welded
(B) same melting temperature as the parent metal to be welded
(C) same composition as of electrode
(D) melting temperature much lower than the melting temperature of the parent metal
Ans: A
same composition and same melting temperature as the parent metal to be welded
Question: 9
The purpose of chaplets is
(A) to join lower and upper parts of the moulding box
(B) to support the cores
(C) to provide efficient venting
(D) just like chills to ensure directional solidification
Ans: B
to support the cores
Question: 10
Which of the following casting methods utilize wax pattern?
(A) semi centrifugal casting
(B) investment casting
(C) shell moulding
(D) plaster moulding
Ans: B
investment casting
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