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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.
721.
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Which of the following is not a commaon section of V belts?
ஙா (2) ©
© E യു ^
A rack is a gear of infinite :
(^) श्लो (2) Module
(C) Diameter (D) Number of teeth _
سه» 0 قب
The circular pitch of a toothed wheel with 24 teeth and a module of 4.25 mm is :
(ಕ) 1.35 mm (B) 4.26 mm
0( 667 سد -(D) 13.35 سد
The maximum efficiency of a worm and worm wheel system in terms of friction angle ® is :
(ಗಿ) 1 - ९०8 (1 + 008 0 (0) 1 - क्षप 2/1 + ०8 के
(0) 1 - 1 + शण फ (D) ‘1-tan ®/1+ tan &
In a multiple 01180 ഖി, nl and n2 are the number of dises on the driving and driven shafts
respectively. Then the number of pairs of contact surface is :
(ಯ) nl+n2 (B) nl+n2-1
{C) nl-n2 (D) None
The type of brakes commonly used in automobiles is :
(A) Shoe brake (0) Band brake
{C) Band and Block brake (D) None
A reverted gear train is one in which the output and input shaft :
(ക) Rotate in opposite directions (B) Are coaxial
(£) Are at right angles to each other (D) None
20° gears have a module pitch of 40 mm. The number of teeth on the gear is 40. If addendum
is equal to one module what is the radius of addendum cirele :
(ಗ) 36 mm (B) 42mm
(©) 56 mm (D) 94mm
When two spur gears having involute profiles on their teeth engage the line of action is
tangential to :
(५) Pitch circle (8) Dedundum circle
(0 Addendum ലയി (D) Base circle
3/2014 12 A