Kerala PSC Previous Years Question Paper & Answer
Page:6
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Assistant Professor in Production Engineering - Technical Education Engineering Colleges ' And exam conducted in the year 2021. And Question paper code was '19/2021/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. 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.
Question35:-The defect that occurs on the flat surface of a casting due to the thermal expansion of moulding sand is termed as.
كام
B:-Wash
8೦೪5
ടട
Correct Answer:- Option-D
Question36:-The defect caused by the enlargement of the mould cavity after the metal has been poured is
AcBuckle
டட]
(1 shift
Ds-Hot tears
Correct Answer: Option ®
Question37:-A chaplet is used to
‘AcCreate void in the casting
B:-Withdraw the pattem from a mould
C=Support the core
D-Act as a reservoir of molten metal
Correct Answer: Option-C
‘Question38:-Invest ment casting method is used when the size of the casting is insize
Aclarge
B-medium
ന്നി
D-small with intricate shape
Correct Answer:- Option-D
Question39:-Railway rails are repaired by which of the following welding method 7
‘AcThermit welding
B:-Arc welding
ملحت welding
D-Resistance welding
Correct Answer:- ೦೧000
Question40::Which among the following welding process is not a fusion process 7
‘AGas welding
Bs Resistance welding
عتمت welding
D:Thermit welding
Correct Answer: Option ®
Question4i:-Light aluminium sheets are joined by
مكنم welding
B:-MIG welding
CoResistance welding
D-Gas welding
Correct Answer:- ೦೧000
‘Question42:-Presence of sulphur in the welded joint increases its
AcToughness
1
ധ്യ
ലട
Correct Answer: Option ®
Question43:-Carburizing gas flame is due to the excess presence of
AcEthylene