Kerala PSC Previous Years Question Paper & Answer
Page:12
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.
94.
97.
The ratio between the mean diameter of the coil and diameter of wire is called :
(^) Spring عند (B) Spring Constant
(C) Spring stiffness (D) Spring index.
A spring with spring constant s has been cut into n equal parts. Each portion of the cut
spring will have a spring constant equal to :
A s B) sm
(0 nfs (D) ns
Which of the following is not a friction clutch?
(ಗಿ) Plate clutch (B) Jaw clutch
(C) Cone clutch (D) Centrifugal clutch
The maximum stress induced in a spiral spring in terms of Moment applied M, breadth of
strip b and thickness of strip t is :
(ಗ) 12 (1) மம
(©) ௩௭ (D) 16M/bt?
In design of helical springs the spring index is usually taken as :
(4) ॐ ര 10
© उड़ D) 16
The stress induced in the circular section wire of a closed coil helical spring in terms of axial
load W, mean coil diameter D and wire diameter d is :
(ல மைனி (B) லலி
(0). 1607/14 D) 32WD/md®
100. Spring stiffness is :
(ക Load per unit deflection
(18) Load carrying capacity of the spring
{£} Ratio of mean coil diameter to wire diameter
M) None.
3/2014 14 ۸
