Kerala PSC Previous Years Question Paper & Answer
Page:14
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Assistant Executive Engineer' And exam conducted in the year 2022. And Question paper code was '039/2022/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
Correct Answer:- Option ®
Question95:-Proper moulding sand must possess six properties. Which of the following is not a property of any moulding sand 7
Ac Flowability
B:-Hardenabilty
Green strength
D:-Dry strength
Correct Answer:- Option ®
Question96::Wide verities of materials are used for making pattems. But patterns cannet be constructed out of one of the following materials. Which one ?
५५०००
७५०८
௦:01
ടി
Correct Answer:- Option-C
Question97:-Suggest the best suited for casting process for making of hollow pipes and tubes.
‘AcCentrifugal casting
Bs-Investment casting
C=Die casting
D-Permanent mould casting
Correct Answer:- Option-é
Question98:-Ina hot chamber die casting process, which of the following parts is used for the pumping o liquid metal into the cavity 7
Accumulator
B:-Slug
C=-Guide pin
D-Gooseneck
Correct Answer:- Option-D
Question99:-The low permeability in moulding sand can cause which of the following defects in casting ?
‘AcRough surface
B:-Blow holes
CoHot tears
وميم
Correct Answer:- Option ®
Question100:-Calculate the dimensions of a 90 mm cube after it cools down to room temperature. The solidification shrinkage for the cast metal is 5% and solid contraction is 7.5%.
Assume uniform cooling in all directions.
4-32.30 mm
887.7 mm
صم موقت
32.87 mm
Correct Answer: Option-C