GATE 2018 Production and Industrial Engineering (PI) Question Paper
#1
GATE 2018 Production and Industrial Engineering (PI) Question Paper with answer

1.When austenite decomposes upon cooling into two phases— ferrite and cementite, the
reaction is called
(A) Eutectic (B) Eutectoid © Peritectic (D) Peritectoid

2.Which one of the following instruments makes use of the principle of interference of light?
(A) Optical flat (B) Auto-collimator
© Optical projector (D) Coordinate measuring machine

3.Which one of the following defects is NOT associated with the casting process?
(A) Hot tear (B) Porosity © Blister (D) Central burst

4.To make holes of 0.5 mm diameter and 30 mm depth in a mild steel component, the most suitable process is
(A) chemical machining (B) electrochemical machining
© abrasive jet machining (D) plasma arc machining

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GATE 2018 Production and Industrial Engineering (PI) answer key


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