Kerala PSC Previous Years Question Paper & Answer
Page:10
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'VOCATIONAL INSTRUCTOR IN MECHANICAL SERVICING AGRO MACHINERY VHSE' And exam conducted in the year 2016. And Question paper code was '077/2016'. 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.
स . نے ےے__
78.
In cam and follower, the period of dwell is the period :
(ಹಿ) During which the cam rotates
(8) During which the follower remains stationary during = finite rotation of cam
(C) During which the follower moves from lower position to highest position
(D) During which the followers moves from its higher position to lowest position
In the case of pivot bearing, the rubbing velocity is :
(ക Zero at centre and maximum at the outer radius
(B) Maximum at the centre of the conduct area
(C) Uniform throughout the conduct area
(D) None of the above
| 79. The frictional torque transmitted in the case of flat pivot bearing for uniform pressure is
equal fo :
। (4) uWR (B) 7ئ
سور ഉ
0 2 27م (0) द्र WR
80. The maximum efficiency of a Screw jack is given by (¢-angle of friction) :
10096 1-4
⋅−↽↽−↽ ∥−
@ 1-cosg യു 1+ وہع
. l-sing 1-tang
0 ~^ லத்
© 148100 o 1+tang
81, If 7, and T, are the tensions on the tight side and slack side of belt drive and ¢ is the angle
of conduct, then the ratio of tension is given by :
T, T
ಪೂ ಗ್ರ) =€
(5) T, ൧6 (8) T e
© بحت യു ارح
ಗ್ರ 5
| = The torque required to produce a twist of 1 radian per unit length of shaft is known as :
(ಗ) Max: Twisting moment (B) Polar modulus
(C) Flexural rigidity (D) Torsional rigidity
89. The cross section of most commonly used key is ;
(A} Rectangular (B) Square
(C) Circular (D) Conical
077/2016 12 A
