Category Code -274/2015
Exam - Overseer/Draftsman Gr II Electrical
Department - Public Works/ Irrigation
Qualifications: SSLC + Certificate in Electrical Engineering (course of 2 years), MGTE or KGTE Group Certificate in Electrical Engineering
Question Paper Code- 30/2017/OL
Date of Test - 17-04-2017
- In two watt meter method of power measurement one watt meter shows negative reading the power factor of the load is
- bellow 0.5 lagging
- 0.8 lagging
- unity
- in between 0.5 and 0.8 lagging
- Ear to Ear resistance of wet human body is about
- 150 ohm
- 100 ohm
- 400 ohm
- 300 ohm
- To get different colour in same LED different fixed voltage want to be applied across it. To get red colour in LED the fixed voltage want to applied across it is
- 2 V
- 1.8 V
- 2.1 V
- 2.2 V
- The size of copper plate used in plate earthing system is
- 60 cm × 60 cm × 3.15 mm
- 60 cm × 60 cm × 6.3 mm
- 30 cm × 30 cm × 3.15 mm
- 60 cm × 60 cm × 3.3 mm
- Composition of plumbers solder is _______ % Tin and _______ % Lead.
- 35 and 65
- 60 and 40
- 65 and 35
- 50 and 60
- The frequency of electricity supply in India is
- 45 Hz
- 60 Hz
- 55 Hz
- 50 Hz
- In a transistor both collector base junction and emitter base junction is reverse bias the transistor is said to be
- None of these
- Cut off state
- Saturation state
- Active state
- The polarity of interpole is in the case of DC generator and motor is
- ame as next main pole ahead in the case of motor and generator in the direction of rotation
- same as the next main pole behind in the case of motor and generator in the direction of rotation of motor and generator
- same as next main pole behind in the case of motor and same as next main pole ahead in the generator in the direction of rotation
- same as next main pole behind in the case of generator and next main pole ahead in the motor in the direction of rotation
- Series type ohm meter is best suited for measuring
- high resistance
- low resistance
- medium resistance
- all of these
- Pitch factor of a winding is the ratio of
- No of slot/pole pitch
- Winding pitch/pole pitch
- Pole pitch/winding pitch
- None of these
- Efficiency of full wave rectifier is about
- 81.20 %
- 40.80 %
- 83.10 %
- 82.10 %
- Barrier voltage of silicon crystal is
- 0.7 v
- 0.3 v
- 0.9 v
- 1.1 v
- The instrument used for measuring insulation resistance of equipment is
- Earth tester
- Contact resistance meter
- Megger
- Ohm meter
- The type of motor used in vacuum cleaner is
- Induction run motor
- Universal motor
- Capacitor start induction run motor
- Capacitor start capacitor run motor
- The standard secondary out put of a current transformer is
- 7A
- 10A
- 5A
- 3A
- When capacitor testing with ohm meter, the ohm meter shows infinite resistance, the capacitor is
- Open
- Leakey
- Good
- Shorted
- One Webber is equal to _____ Maxwell.
- 10000
- 10000000
- 1000000
- 100000
- The working principle of earth tester is
- Wheatstone bridge principle
- Voltage divider method
- Fall of potential method
- Meter bridge principle
- Type of cooling used in Distribution transformer is
- AN, OFN
- OB, AB
- AN
- AN, ON
- Fluorescent lamp is a
- High pressure mercury vapour lamp
- Low pressure mercury vapour lamp
- High pressure sodium vapour lamp
- Arc lamp
- When Dynamo meter type meters are used as watt meters, the fixed and movable coils are
- Both coils are movable
- Fixed coil is current coil and moving coil is pressure coil
- Fixed coil is pressure coil and moving coil is current coil
- Can be arranged as either current coil is fixed and pressure coil movable and vice-versa
- The distance between earth electrode and adjacent building should not less than
- 2 m
- 1 m
- 5 m
- 1.5 m
- G series MCB's are used for protecting
- Resistive load
- All of these
- Inductive load
- Capacitive load
- The major cause of creeping error in induct in type energy meter is
- Vibration
- Stray magnetic field
- Over compensation friction
- Over voltage
- The most commonly used AC motor is
- Squirrelcage induction motor
- Slip ring induction motor
- Universal motor
- Repulsion motor
- For getting maximum efficiency in a sodium vapour lamp the lamp temperature to be maintained about
- 150°c
- 220°c
- 380°c
- 320°c
Question error
- FET is a
- voltage control device
- current controlled device
- bipolar device
- power control device
- The minimum horizontal clearance between when the line passing through adjesent building is
- 1.219 M
- 1.112 M
- 1.713 M
- 3.962 M
- The commercial method of making Permanent Magnet is
- Induction method
- Divider touch method
- Single touch method
- Double touch method
- Among the following which cable is used for Railway signaling purpose
- Torpodure cable
- PVC cable
- Lead sheet cable
- Armed cable
- Melting point of copper is
- 2200° C
- 660° C
- 1083° C
- 490° C
- The frequency equation of Hartley oscillator is
- 1/(2 Ï€ √LCT)
- 1/(2 Ï€ √(6RC))
- 1/(2 Ï€ √CLT)
- 1/(2 Ï€ √(LTCT))
- The capacity of cells are usually expressed in
- Kilo watt hour
- Ampere hour
- Kilo volt ampere
- Watt-hour
- Most efficient and effective damping method is
- Eddy current damping
- Air friction damping
- All of these
- Fluid friction damping
- Among them which motor has highest starting torque
- Universal motor
- Capacitor start induction run motor
- Permanent capacitor motor
- Shaded pole motor
- Copper loss of a transformer is 120 watt at it's 1/4th load watt will be the copper loss 1/8th full load
- 64 watt
- 30 watt
- 192 watt
- 240 watt
- To change DOR of Repulsion motor
- change the supply terminal of motor
- change the brush position of motor
- all of these
- change the motor terminals
- Among them which material is shows strong Dia magnetism
- Aluminum
- Copper
- Bismuth
- Silver
- Nickel iron cell is also known as
- Junger cell
- Primary cell
- Edison cell
- Voltaic cell
- The main purpose Twin Tube connections in a industries to
- Get more light
- Avoid stroboscopic effect
- Avoid glair
- All of these
- Resistance above _________ Ω is called high resistance.
- 10000 Ω
- 100000 Ω
- 1000000 Ω
- 10000000 Ω
- The yoke of large DC machine is made of
- soft iron
- cast steel
- wrought iron
- cast iron
- Fourth colour band of a resistance is brown in four colour band system, the tolerance of the resistance is
- 2%
- 5%
- 3%
- 1%
- Nickel Iron cell are widly used in Aircraft engineering because of its
- High efficiency
- Good mechanical strength
- Heavy rate discharging capacity
- High voltage
- XLPE cable is a type of cable. XLPE stands for
- Cable-Linked Poly Ethylene Cable
- Cross-Linked Poly Ethylene Cable
- Cross-Linked Poly Ester Cable
- Cable-Linked Poly Ester Cable
- Silver plated mica capacitors are best suited for ______ application.
- High voltage application
- Radio frequency application
- High frequency application
- Power factor correction
- The maximum safe temperature can with stand class H insulating material is
- 155° C
- 200° C
- 120° C
- 180° C
- The speed control method used in domestic mixer grinder is
- tapped field control method
- all of these
- adding series resistance
- voltage control method
- When Induction motor are started with star-delta starter the voltage applied across the winding when put in star position is
- 75 %
- 67.70 %
- 50 %
- 57.70 %
- The cells of 2 volt and each having an internal resistance of 0.2 Ω are jointed in series. If 10 Ω external resistance is connected accross the circuit, what will be the current flowing through the
- 1.5A
- 1.67A
- 2A
- 1.8A
Question error
- Unit of inductive reactance is
- Coloumb
- Ohm
- Fared
- Henry
- In Geyser the type of insulation provided in between the inner and outer chamber is
- Glass wool
- Rubber
- Asbestose
- Mica
- A semiconducting material numbered as BC 149, the device is
- Silicon transistor
- Germanium transistor
- Silicon diode
- Silicon photo diode
- A circuit contain R and L in series, R = 8 Ω and L = 0.02 henry, what will be the power factor of the circuit when is connected across 50 Hz, 50 volt ac supply
- 0.821
- 0.786
- 0.752
- 0.886
- The purpose of bedding provided in cable is
- Protect the cable from mechanical injury
- Protect metallic sheet from mechanical injury
- Protect the cable from atmosphere
- Prevent entering moisture to the cable
- The speed of DC shunt motor is drops slightly from no load to full load is due to
- IaRa drop in armature
- Increase in back emf
- Increase in field flux
- Decrease in field flux
- Double squirrel cage Induction rotors are used in Induction motors for getting
- Smooth operation
- High starting torque
- High power
- Avoid magnetic locking
- A 50 volt meter want to be extend to measure 250 volt meter. The resistance of the meter is 5000 Ω, what will be the value of multiplier required
- 50000 Ω
- 20000 Ω
- 25000 Ω
- 40000 Ω
- The out put of harmonic oscillators is
- Square wave
- All of these
- Triangular wave
- Sine wave
- Regenerative braking is possible when the speed of the motor is
- Above synchronous speed
- Bellow synchronous speed
- Same as synchronous speed
- All of these
- The type of capacitor used in capacitor start induction run motor is
- Paper Capacitor
- Mica Capacitor
- Ceramic Capacitor
- Air Capacitor
- Widly used semiconducting material is
- Germanium
- Silicon
- Carbon
- Bismuth
- V-curve of a synchronous motor is the relation between
- supply voltage and current
- field voltage and field current
- armature voltage and armature current
- armature current and field current
- The type DC generator used for electoplating is
- shunt generator
- series generator
- cumulative compound generator
- long shunt compound generator
- The type of DC compound generator used for arc welding is
- Under compound generator
- Level compound generator
- Differential compound generator
- Over compound generator
- The joint used in over head line where for increasing the length of conductor where considerable tensile stress acted is
- T-Joint
- Western Union Joint
- Brittania Joint
- Married Joint
- Over load coil of 3 point DC motor starter is connected
- in series with shunt field
- in series with armature coil
- in parallel with series field
- in parallel with shunt field
- The type of file used in ordinary filing purpose is
- Second cut
- Smooth
- Bastard
- Rough
- In a safety sign, It's shape is circular, red border and cross bar black signal in white background the sign is
- Prohibition sign
- Mandatory sign
- Information sign
- Warning sign
- In a winding the number of coils/pole/phase is one, the winding is called
- Whole coil winding
- Distributed winding
- Concentrated winding
- Balanced winding
- Polarisation is the problem of _______ type of cell.
- Nickel iron cell
- Lead acid cell
- Voltaic cell
- Dry cell
- Fusing factor of HRC fuse is
- 1.2
- 1.4
- 1.3
- 1.1
- A moving coil volt meter shows 220 volt when it is connected across an AC supply. What will be the voltage shows when it is measured using CRO ?
- 311 V
- 220 V
- 380 V
- 244 V
- In semi direct lighting system _________ % of light reaches to the working plane.
- 50 – 90 %
- 60 – 90 %
- 90 – 100 %
- 10 – 40 %
- Buchholz relay is a
- Electronic relay
- Thermal relay
- Gas operated relay
- Phenumatic relay
- Three phase two element watt meter method is best suited for the measurement of power in
- Three phase unbalanced load
- Three phase balanced load
- None of these
- Three phase balanced and unbalanced load
- Solar cell is a
- Thermister
- Varactor diode
- Photo resistor
- Photo diode
- In EHT line the maximum permissible voltage drop is
- 12.50 %
- 5 %
- 10 %
- 3 %
- The process by which isolate the supply of oxygen to the fire is known as
- cooling
- smothering
- starving
- extinguishing
- Valancy of aluminum atom is
- 2
- 1
- 4
- 3
- The book 'Poverty and Progress' is authored by
- Proudhon
- Karl Marx
- Deepak Lal
- Deepak Chandra
- "They may call me Hitler, they may call me a Supper-Hitler" Whose words are this
- Vallabhai Patel
- Subhash Chandra Bose
- Mussolini
- Indira Gandhi
- The Chairman of the fourteenth Finance Commission of India is
- Dr.Y.V. Reddy
- Urjit Patel
- Dr.S.R. Reddy
- L.N. Reddy
- Who called 'Volga' as "The Queen of our rivers"
- Alexandre Dumas
- Maxim Gorky
- Lenin
- Stalin
- The total number of domestic passengers handled at the Indian airports during 2014 – 15 was
- 125.53 Million
- 201.43 Million
- 101.34 Million
- 151.34 Million
- The total number of Post Offices in India is about
- 155015
- 200050
- 300000
- 100012
- Jati Nasini Sabha was founded by
- Swami Ananda Theerthan
- Brahmananda Sivayogi
- Vagbhadananda
- Sree Narayana Guru
- "His spirit will always prevail in India" was a famous remark made on 15th December, 1950 at London by
- Jawaharlal Nehru
- Lord Mountbatten
- Winston Churchill
- Dr. Rajendra Prasad
- The famous remark that John F. Kennedy and Richard M. Nixon lacked 'Political brains' was made in a speech delivered at United Nations by
- Jawaharlal Nehru
- Khrushchev
- Fidel Castro
- Fulgencio Batista
- Who declared that "Political freedom is the life breath of a Nation" ?
- Sury Sen
- Aurobindo Ghosh
- Subhash Chandra Bose
- Bhagat Singh
- The book, Of Fortunes and War : Clare Hollingworth is authored by
- Jim Mc Curry
- Patrick Garret
- Clare Hollingworth
- Pessy Hull
- "A day will come when India also remember her and cherish her" was the words of Jawaharlal Nehru about
- Kamala Nehru
- Sarojin Naidu
- Captain Lakshmi
- Rani Gaidilieu
- The first Secretary of the Punjab Naujawan Bharat Sabha was
- Bhagat Singh
- Chandrashekar Azad
- Sury Sen
- Jatin Das
- Mahatma Gandhi founded the All India Harijan Sangh in
- 1932
- 1931
- 1940
- 1930
- Mangal Pande was hanged to death on
- 29, March 1858
- 29, March 1857
- 20, March 1857
- 20, March 1858
- Lord Dufferin ridiculed the Congress as "a microscopic minority of the people" in a public speech delivered in
- 1886
- 1888
- 1887
- 1885
- The newspaper Al Hilal was started in
- 1912
- 1910
- 1920
- 1940
- Mokshapradipam is a famous work of
- Chattampi Swamikal
- Vaikunda Swamikal
- Brahmananda Sivayogi
- Neelakantan Namboothiripad
- The present Chairman of Kerala Public Service Commission is
- K. Radhakrishnan
- Dr. K.S. Radhakrishnan
- Salahuddin
- M.K. Sakeer
- C. Kesavan was arrested and jailed on account his seditious speech delivered at Kozhenchery on
- 25, March 193
- 11, May 1935
- 11, June 1936
- 20, May 1936
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