Kerala PSC Previous Years Question Paper & Answer

Title : Mechanic
Question Code :


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 '003/2023/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.

page: 8 out of 11
Excerpt of Question Code: 003/2023/OL

C:-Ratchet stop
D:-Spindle lock but
Correct Answer:- Option-C
Question67:-The least count of a vernier caliper is mm.

Correct Answer:- Option-B

Question68:-Concentricity and eccentricity can be checked by a vernier height gauge with the
aid of a

A--Dial indicator

B:-Steel rule

C:-Bevel protractor

Correct Answer:- Option-A

Question69:-The act of joining slip gauges together while building up to sizes is known

Correct Answer:- Option-B
Question70:-Sine bar is a
A:-Round bar made of High speed steel
-Round bar made of Nickel steel
C:-Rectangular bar made of stabilized chromium steel
D:-Rectangular bar made of high grade tungsten steel
Correct Answer:- Option-C
Question71:-Which type of washer is used with flat or oval type head screws?
A:-Lock washer
B:-Internal type washer
C:-External type washer
D:-Countersunk type washer
Correct Answer:- Option-D
Question72:-The type of belt fastener used on heavy duty machines is
A:-Jackson type
B:-Lagrelle type
:-Wire type
D:-Crescent plate type
Correct Answer:- Option-B

Question73:-The radial distance between the pitch circle and the root circle of a spur
gear is known as

D:-Working depth
Correct Answer:- Option-C
Question74:-Which type of clutch can be operated through a cable from a distance?
A:-Electromagnetic multiple disc clutch
B:-Dog clutch
C:-Single plate clutch
D:-Centrifugal clutch
Correct Answer:- Option-A
Question75:-Which one of the given formula is used to calculate the length of
rivet (L' mm) when forming a flat head? (Given : T - total thickness in mm of the piled plates and 'd' - Rivet diameter in mm)
A-T -d (0.6 ˆ 1.4) `
- + 0 (0.6 ˆ 1.4)
C:-T - d (0.8 * 1.2)

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