Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'LECTURER IN MACHANICAL ENGINEERING POLYTECHNICS TECHNICAL EDUCATION' And exam conducted in the year 2014. And Question paper code was '003/2014'. 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.
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A 60 mm long and 6 mm thick fillet weld carries a steady load of 15 kN along the weld. The
shear strength of the weld material is 200 MPa. The factor of safety is :
&) 24 (18 4
(0 48 D) 6.8
In a butt weld joint the throat of weld as compared ما size of the weld is in the ratio :
ക്ര 1 By 1:2
© 1:1 o 1:3
A circular solid rod of diameter d welded to a right flat plate by a circular fillet weld of throat
thickness t is subject to a twisting moment T. The maximum shear stress induced in the weld
15:
ക്ര 7/70 © 2/0
ര കക് ©( 3
The efficiency of a power screw is maximum when the lead angle in terms of friction angle
0015;
ശ്ര ۱2-2ء ® =/2-0
جع )0( دم )©(
In a BSW thread the angle between the flanks ೬ :
@) 295 (B) 47.5°
(©) 865 യ 60
A high pressure angle for spur gears leads to :
(A) Minimum axial thrust (B) Wide base and stronger teeth
(C) More interference (D) None
A worm has a lead angle of 22.5°. This corresponds to a helix angle of :
കു 28.55 @) 455
€) 55 3 യ 6745
Which type of spring is usually used for an automobile clutch?
(ക) Spiral spring (ए) Leaf spring
(¢) Closed coil helical spring - (D) None
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