| Post Name | ASSISTANT ENGINEER- ELECTRICAL |
|---|---|
| Department | PLANTATION CORPORATION OF KERALA LTD |
| Question Paper Code | 029/2018 |
| Date of Test | 21 February 2018 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
The idea of the suspension of Fundamental Rights during the emergency is taken from which of the following constitution ?
Answer
A. German
2
Who among the following is known as βModern Manuβ ?
Answer
B. Dr. B.R. Ambedkar
3
Which is the first nation in the world to implement the R.T.I. ?
Answer
A. Sweden
4
Who is known as the Father of Kerala Literacy ?
Answer
B. Kuriakose Elias Chavara
5
Who among the following led the historic βPattini Jathaβ from Kannur to Madras ?
Answer
B. A.K. Gopalan
6
The founder editor of the journal βYuktivadiβ is
Answer
A. Sahodaran Ayyappan
7
Who is known as the βJhansi Rani of Travancoreβ ?
Answer
D. Akkamma Cheriyan
8
Which of the following state is known as the βgranary of Indiaβ ?
Answer
D. Punjab
9
Which Indian city is known as the βManchester of South Indiaβ ?
Answer
A. Coimbatore
10
Who founded the βSree Narayana Gurukulamβ ?
Answer
A. Nataraja Guru
11
Who is known as the βKavitilakaβ ?
Answer
C. Pandit Karuppan
12
Who among the following started the journal βSadhujana Dootanβ ?
Answer
B. Pampady John Joseph
13
Which of the following newspaper is known as βthe Bible of the depressedβ ?
Answer
D. Mithavaadi
14
The βMelmundu Kalapamβ of Travancore during the 19th century was conducted by
Answer
C. Nadars
15
Who is the first Kerala Chief Minister to be a participant in the 35th World Economic Forum held at Davos in Switzerland ?
Answer
C. Oommen Chandy
16
Which of the following temple is known as the βPalani of Keralaβ ?
Answer
Question Cancelled
17
Which of the following language is the most spoken Dravidian language ?
Answer
B. Telugu
18
βSalim Ali National Parkβ is located in which Indian state ?
Answer
D. Jammu and Kashmir
19
The Indian cricketer who got the Arjuna Award in 2016 is
Answer
C. Ajinkya Rahane
20
Who is known as the βFather of Indian Renaissanceβ ?
Answer
A. Rajaram Mohan Roy
21
A coil has a resistance of 100 β¦ at 258C and 200 β¦ at 1008C. Its temperature coefficient at 08C is __________ per degree Celsius
Answer
B. 0.02
22
Current flowing in an electric circuit is equivalent to __________ in magnetic circuit
Answer
A. Flux
23
The angular frequency of a 50 Hz sine wave is __________ rad/sec
Answer
D. 100 Ο
24
The resonance frequency of an RLC series circuit is 100 Hz. If the resistance value is doubled, keeping all other parameters same, what would be the new resonance frequency ?
Answer
C. 100 Hz
25
A transistor in CB configuration draws a base current of 0.1 mA and emitter current is found to be 1 mA. Determine the value of dc alpha (Ξ±dc) of this transistor
Answer
B. 0.9
26
Input to a Half Wave Rectifier circuit is a 50 Hz sine wave. What will be the frequency of its output waveform ?
Answer
C. 50 Hz
27
Which of the following transistor amplifier configuration is best suited for impedance matching ?
Answer
B. CC
28
Gain βAβ of an amplifier circuit without feedback is found to be 50. To make it an oscillator circuit the value of the positive feedback gain required is __________
Answer
A. 1
29
Material used for making brushes in a dc machine is __________
Answer
B. Carbon
30
Direction of rotation of a dc motor can be reversed by changing the direction of __________
Answer
C. Either Armature current or Field current only
31
A long shunt dc compound generator has armature, shunt and series field windings with 0.01 β¦, 100 β¦, 0.02 β¦ respectively. Find the armature current when it is supplying a load of 50 A at 200 V
Answer
D. 52 A
32
A 4 pole 255 V lap connected dc shunt motor with 500 conductors takes an armature current of 50 A at a magnetic field of 10 milli Weber. If the armature resistance is 0.02 β¦, and total brush drop is 2 V, calculate the speed of the motor in rpm
Answer
Question Cancelled
33
In a metering instrument, hair spring used for providing controlling torque is made of __________
Answer
D. Phosphor Bronze 6 A
34
Creeping in an energy meter occurs when __________
Answer
A. Only Pressure coil is energized
35
An energy meter was tested in a laboratory by phantom loading method with a resistive load and by providing a balanced 3 phase supply. The current coil is connected in the R phase and the pressure coil is connected across R phase and B phase. What would be the power factor under test ?
Answer
Question Cancelled
36
Schering bridge is used for measuring unknown __________
Answer
C. Capacitance
37
LVDT is used for measurement of __________
Answer
D. Displacement
38
All joints in earthing conductors shall be properly tinned because, Tin offers __________
Answer
D. All of these
39
Which one of the following is used to reduce water hammer effect in Hydro Electric Power Plants ?
Answer
A. Surge Tank
40
A generating station has a connected load of 50 MW and a maximum demand of 20 MW. No. of units generated is 60 MWhr for the year. What is the Demand factor ?
Answer
B. 0.4
41
In an ac transmission system the receiving end voltage is found to be more than the sending end voltage. This phenomenon is called __________
Answer
B. Ferranti effect
42
Which one of the following law is helpful to determine the most economical size of the electric power transmission line conductor ?
Answer
D. Kelvinβs Law
43
Three 100 β¦ resistances are connected in delta and are connected to a 400 V, 3 phase, and 50 Hz ac supply. If one of the resistance is burned out what will be the reduction in power consumption ?
Answer
C. 1600 W
44
What will be the value of the regulation of the single phase transformer with percentage resistance drop 2% and percentage reactance drop 8% at a power factor of unity
Answer
A. 2
45
A 30 kVA Delta bank is created by using 3 similar single phase transformers. When one of the transformer is removed then what will be the capacity in kVA of the new arrangement ?
Answer
B. 17.3
46
A standard incandescent lamp having a lumen intensity of 160 Cd in all directions gives an illuminance of 40 lux at the surface of a table vertically below the lamp. What is the distance of the lamp above the table ?
Answer
B. 2m
47
Which one of the following is not the name of ACSR Conductor ?
Answer
A. ANT
48
Saving of copper in an autotransformer, compared to ordinary transformer is given by __________ times weight of copper in ordinary transformer
Answer
A. K
49
Calculate the number of sub circuits required for an electrification circuit which contains 28 lamps of 100 W
Answer
D. 4
50
Calculate the number of street lights required for 3 km long street which is to be illuminated by 85 W sodium vapour lamp at a span of 30 meter
Answer
D. 101 8 A
51
As per IE rules 1956 (Rule No. : 80), Vertical clearance above the highest part of the building immediately under high voltage lines up to and including 33,000 volts is __________
Answer
D. 3.7 m
52
The IS code specifying Earthing is __________
Answer
C. IS 3043 - 1987
53
A hardware circuit is implemented to find the oneβs compliment of a 4 digit binary number. This circuit consists of __________
Answer
D. 4 NOT Gates
54
Simplification of the boolean expression Y=A+AB yields Y=__________
Answer
A. A
55
Total number of JK flip flops required to construct a BCD decade counter is __________
Answer
D. 4
56
Gain of an ideal Op-Amp is __________
Answer
D. Infinity
57
Which one of the following coordinate system is best used in CAD for drawing a horizontal line if only the starting point and length of the line are given ?
Answer
B. Relative rectangular
58
The component which makes and breaks the contacts in a motor starter is __________
Answer
C. Contactor
59
A slip ring induction motor runs at 1450 rpm at full load, when connected to 50 Hz supply. Determine the number of poles
Answer
B. 4
60
The best unit used to represent the torque of an induction motor is __________
Answer
C. Synchronous Watts
61
Which one of the following method is not suited for starting a squirrel cage induction motor ?
Answer
D. Rotor Resistance starting th
62
What happens if single phasing occurs when a 3 phase induction motor is running at 1 4 full load ?
Answer
C. Motor keeps running as 1 phase motor
63
The rotor of an induction motor runs nearly at 1/7th of synchronous speed. This phenomenon is called __________
Answer
B. Crawling
64
For a double squirrel cage motor outer gauge resistance is __________ that of inner cage resistance
Answer
B. Greater than
65
A universal motor runs at 2000 rpm and develops a back emf of 200 V, when connected to 220 V DC supply. At what speed will it run if the motor is connected to a 220 V AC supply. Given that the back emf developed under this condition is 160 V approximately
Answer
A. 1600 rpm
66
As the load on the alternator is varied, its terminal voltage changes due to the following reasons
Answer
Question Cancelled
67
At Upf, Effect of armature reaction in alternator is __________
Answer
A. Cross magnetising
68
The ratio of OC Voltage to SC current keeping the field excitation constant in an alternator is called __________
Answer
D. Synchronous impedance
69
Hunting in an alternator can be prevented by __________
Answer
B. Damper bars
70
An alternator connected to a 440 V, 50 Hz supply will run at higher speed when number of poles are __________
Answer
A. 2
71
In a 3 phase alternator a field current of 100 A produces a full load armature current of 400 A on short circuit and 1730 V on open circuit. The value of synchronous impedance is __________ β¦
Answer
Question Cancelled
72
When two or more protective devices are used for the protection of the same circuit, the correct operation of the correct device on occurance of a fault is called __________
Answer
A. Discrimination
73
The transient voltage which appears across the circuit breaker contacts, at the instant of arc being extinguished is known as __________
Answer
B. Restriking voltage
74
Which of the following is an example for a distance relay ?
Answer
D. All the above A 11
75
What will be the content of A register if the following program segment is executed in 8051 microcontroller ? MOV A,#75 H MOV B,#30 H MOV B,A ADD A,B
Answer
B. EA
76
MOV A,@R0. This is an instruction in 8051 microcontroller. What type of addressing mode is used in this instruction ?
Answer
C. Register Indirect Addressing
77
Internal RAM in 8051 microcontroller has capacity of __________ Bytes
Answer
A. 128
78
Which one of the following is a programming language used for PLC ?
Answer
D. All of these
79
Which one of the following is not a renewable source of energy ?
Answer
B. Fossil Fuel
80
Solar cells are made off __________
Answer
A. Silicon
81
The main constituents of biogas are
Answer
A. Methane and Carbon dioxide
82
An energy conversion device that can harness the power of hydrogen is __________
Answer
A. Fuel cell
83
Magnetic materials are heated with the help of __________
Answer
D. Hysterisis loss 12 A
84
Select a suitable motor for continuous rolling mills
Answer
D. 3 phase synchronous motor
85
The device used to collect the current from over head conductor for electric traction service is __________
Answer
A. Phantograph
86
The speed-time characteristics of city service in electric traction system has no __________ period
Answer
C. Free running
87
A gate current of 25 mA is applied to turn on an SCR. Anode current flowing through this SCR is found to be 100 A. What will be the Anode current through the SCR if the gate current is reduced gradually to 10 mA. The holding current of this SCR is 10 mA
Answer
C. 100 A
88
The power electronics device which converts constant dc voltage to variable dc voltage is called __________
Answer
C. Chopper
89
How many number of SCRs are required for constructing a single phase semi converter circuit ?
Answer
B. 2
90
Buck converter is used as a __________ converter
Answer
B. Step down
91
Calculate the back pitch of the simplex progressive lap winding with 24 slot and 4 pole dc armature with 24 commutator segments
Answer
C. 13
92
Cruciform construction of a transformer core consists of __________ number of steps
Answer
Question Cancelled
93
Which of the following material is used as an insulation between commutator segments ?
Answer
C. Mica
94
Quantity or condition that is varied by the controller in a control system is called __________
Answer
A. Manipulated variable
95
A metal detector is an example for __________ Proximity sensor
Answer
A. Inductive
96
Single phase ac servo motor has __________ number of windings in stator
Answer
B. 2
97
In Quartz non digital watches which type of motor is used ?
Answer
C. Stepper motor
98
In two position control system which type of control action is used ?
Answer
D. Bang-Bang control
99
Small computerized electronics units deployed in the field at specific sites and locations for the implementation of SCADA is called __________
Answer
A. RTU
100
Primary and secondary windings of a transformer are interleaved for __________
Answer
C. Reducing Magnetic leakage
Discussion
Ask a doubt or share a tip.
No comments yet β start the discussion.