Kerala PSC Previous Years Question Paper & Answer
Page:16
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Mechanic' And exam conducted in the year 2023. And Question paper code was '166/2023/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-B
Question85:-Flame temperature of oxy-acetylene gas flame
A:-2400°C to 2700°C
B:-2700°C to 2800°C
C:-3100°C to 3300°C
D:-1800°C to 2200°C
Correct Answer:- Option-C
Question86:-The angle of acme thread is
A:-60°
B:-29°
C:-47.5°
D:-55°
Correct Answer:- Option-B
Question87:-Studs are used to
A:-Remove the tap from a hole
B:-Connect machine parts to each other without obstruction
C:-Make an internal thread
D:-Make an external thread
Correct Answer:- Option-B
Question88:-The angle of a drill is
A:-60°
B:-49°
C:-118°
D:-59°
Correct Answer:- Option-C
Question89:-The property of wire drawing is known as
A:-Malleability
B:-Brittleness
C:-Tenacity
D:-Ductility
Correct Answer:- Option-D
Question90:-The purpose of tempering the steel
A:-To develop high hardness
B:-To develop wear resistance properties
C:-To relieve internal stresses
D:-To soften the steel