Kerala PSC Previous Years Question Paper & Answer
Page:8
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'DRAFTSMAN POLICE TELECOMMUNICAION UNIT' And exam conducted in the year 2015. And Question paper code was '104/2015'. 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.
60.
61.
62,
68,
64.
65.
66.
سے
68.
The instrument used for measuring r.p.m of a motor is :
(ಹ) Tong tester
(C) Tachometer
(8)
D)
Snap on meter
Speedometer
Joule’s law states that the heat produced in a conductor is proportional to :
(A) Voltage
(C) Size of conductor
One B.O.T unit is equivalent to :
(A) 1 kw/second
(©) 1kwh
The depolorizer used in dry cell is :
(A) Manganese dioxide
(C) Copper sulphate
ര
യ
0)
0)
®)
(0)
Current
Square of the current
1 kw/minute
746 watts
Manganese sulphate
Ammonium chloride
The specific gravity of a fully charged lead acid battery is :
ക 1180
© 1280
2)
യ
Which type of bulb is usually used in line testers ?
(4) 1೫0
(C) Argon
The abbreviation “L. C D” stands for :
ക Light Crystal Display
(C) Linear Crystal Display
Dielectric strength of insulation is denoted in :
(A) Kilo volts
© Volts
Which rectifier have more efficiency ?
(^) Full wave bridge rectifier
(C) Centre tapped rectifier
104/2015 10
(0)
യ
(8)
0)
(8)
0)
7)
D)
1100
1300
Neon
1181086೫
Logical Crystal Display
Liquid Crystal Display
Kilo volts/mm
Kilo watts/mm
Half wave rectifier
None of the above
