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 'Assistant Manager (Mechanical)-Travancore Titanium Products Ltd' And exam conducted in the year 2021. And Question paper code was '079/2021'. 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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079/21
In a rigid flanged coupling connecting two shafts transmitting power, bolts in coupling
are subjected to
A) Shear force and bending moment
C) Torsion
B) Axial force
D) Torsion and bending moment
When a load of 10 KN is applied on ball bearing, life of bearing is 8000 hours. If the
load is increased to 20 kN keeping all other conditions same, life of bearing will be
A) 4000 B) 2000
௦) 1000 D) 500
Distance between the centre lines of two rows of rivets is called
A) Back pitch
C) Gauge line
Which type rivet head is used for the boiler
A) Pan head
C) Counter sunk head
Lewis equation is applied
A) Only to pinion
C) To weaker of the pinion and gear
B) Gauge distance
D) Pitch
plate riveting ?
B) Conical head
D) Snap head
B) Only to gear
D) To stronger of the pinion and gear
Radius of friction circle in journal bearing increases with increase in
A) Load
C) Viscosity of lubricant
B) Speed of journal
D) Radius of journal
In an involute gear of pressure angle ¢" the ratio of pitch circle radius to base circle
radius is
A) Sino
C) Coso
B) Seco
D) Coseco
When shafts axes are at offset which type of gears are used ?
A) Mitre gears
C) Hypoid gears
B) Spiral bevel gears
D) Zerol gears
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