ASSISTANT ENGINEER – SR FOR ST ONLY – UNITED ELECTRICAL INDUSTRIES LTD

FINAL ANSWER KEY
Question Paper Code: 58/2016/OL
Category Code: 026/2014
Exam: Assistant Engineer-SR for ST only
Medium of Question: English
Date of Test 27-06-2016
Alphacode A
Question1:-Right of minorities to establish and run educational institutions is related to the ____________ of the Indian
Constitution.
A:-Article 30
B:-Article 18
C:-Article 24
D:-Article 34
Correct Answer:- Option-A
Question2:-Fundamental rights of Indian Constitution is indebted to
A:-Britain
B:-Japan
C:-USA
D:-Iyerland
Correct Answer:- Option-C
Question3:-__________ provides for free and compulsory education to all children between 6 and 14 years of age.
A:-`52^(nd)` amendment
B:-`86^(th)` amendment
C:-`74^(th)` amendment
D:-`97^(th)` amendment
Correct Answer:- Option-B
Question4:-Election and Election Commission is mentioned in the _____________ of Indian Constitution.
A:-Article 356
B:-Article 370
C:-Article 343
D:-Article 324
Correct Answer:- Option-D
Question5:-Govt of India introduced a new plan for the differently abled
A:-Sugama Bharath Abhiyan
B:-Green India Mission
C:-Swajal Dhara
D:-Nirmal Bharath Abhiyan
Correct Answer:- Option-A
Question6:-First Woman Judge of Supreme Court
A:-K K Usha
B:-Sujatha Manohar
C:-Fathima Beevi
D:-Leelaseth
Correct Answer:- Option-C
Question7:-Panchayathraj System is introduced at first in
A:-Rajasthan
B:-Kerala
C:-Tamil Nadu
D:-Madhya Pradesh
Correct Answer:- Option-A
Question8:-Who wrote the book “Onnekalkodi Malayalikal” ?
A:-Sir C Sankaran Nair
B:-K P Kesavamenon
C:-C Kesavan
D:-E M S Namboodirippad
Correct Answer:- Option-D
Question9:-The poem “Navamanjari” is the work of
A:-Sree Narayana Guru
B:-Chattambi Swamikal
C:-Sivayogi
D:-Sahodaran Ayyappan
Correct Answer:- Option-A
Question10:-Who published an Arabic-Malayalam monthly called ‘Al-Islam’ ?
A:-K M Seethi Sahib
B:-Vakkam Abdul Khadar Maulavi
C:-Seethi Muhammed
D:-Kunju Muhammed
Correct Answer:- Option-B
Question11:-Savarnajatha procession set out from Vaikom under the leadership of
A:-A.K. Gopalan
B:-Dr. Palpu
C:-C.V. Kunjiraman
D:-Mannathu Padmanabhan
Correct Answer:- Option-D
Question12:-Author of “Jathikummi”
A:-Ayyankali
B:-Anandathirdha
C:-Pandit Karuppan
D:-A G Velayudhan
Correct Answer:- Option-C
Question13:-The printing press set by father Chavara Kuriakose at
A:-Kainakari
B:-Mannanam
C:-Kannoor
D:-Mavelikkara
Correct Answer:- Option-B
Question14:-Who founded Samathwasamajam ?
A:-Vaikunda Swamikal
B:-V T Bhattathirippad
C:-Vagbhadanandan
D:-Thycaud Ayya
Correct Answer:- Option-A
Question15:-O N V Kurup won the Jnanapith Samman in
A:-2001
B:-2005
C:-2009
D:-2007
Correct Answer:- Option-D
Question16:-Who is the Present Union Minister for commerce and industry ?
A:-Smriti Irani
B:-Nirmala Sitaraman
C:-Sumitra Mahajan
D:-Umabharathi
Correct Answer:- Option-B
Question17:-The proposed capital of Andhra Pradesh
A:-Amaravathi
B:-Madurai
C:-Dindigal
D:-Bangalore
Correct Answer:- Option-A
Question18:-The novel “The Name of the Rose” written by
A:-Ian Thomson
B:-Antonio Gramci
C:-Umberto Eco
D:-Mare Block
Correct Answer:- Option-C
Question19:-Rhododendron is the national flower of
A:-Japan
B:-Nepal
C:-China
D:-Taiwan
Correct Answer:- Option-B
Question20:-The Southernmost point of India is
A:-Indira point
B:-Sreelanka
C:-Kanyakumari
D:-Nicobar island
Correct Answer:- Option-A
Question21:-A 150Ω resistance AB is connected across 240 V DC supply. Calculate the value of the resistance which when
connected between the midpoint of AB and end A, will carry a current of 0.8 A.
A:-100Ω
B:-125Ω
C:-90Ω
D:-112.5Ω
Correct Answer:- Option-D
Question22:-The force experienced by a unit north pole at any point is called the
A:-MMF
B:-Magnetic field strength
C:-Magnetic flux density
D:-Magnetic potential
Correct Answer:- Option-B
Question23:-The principle of statically induced EMF is utilized in
A:-Transformer
B:-Motor
C:-Generator
D:-Battery
Correct Answer:- Option-A
Question24:-The form factor of sinusoidal wave is
A:-1.414
B:-1.11
C:-2
D:-1.5
Correct Answer:- Option-B
Question25:-In an AC circuit, the ratio of kW/kVA represents
A:-Power factor
B:-Load factor
C:-Form factor
D:-Diversity factor
Correct Answer:- Option-A
Question26:-Which of the following is not expressed in ohms ?
A:-Resistance
B:-Inductance
C:-Inductive reactance
D:-Capacitive reactance
Correct Answer:- Option-B
Question27:-Which of the following statements associated with three phase delta connected circuits is true ?
A:-Line voltage is equal to phase voltage
B:-Line current is equal to phase current
C:-Line voltage is √3 ` `times of phase voltage
D:-Line currents are 60 degree apart
Correct Answer:- Option-A
Question28:-A transformer having 1000 primary turns is connected to a 250 V AC supply. For a secondary voltage of 400 V
the number of secondary turns should be
A:-1600
B:-250
C:-400
D:-1250
Correct Answer:- Option-A
Question29:-The induced emf in the armature conductors of a DC motor is
A:-Sinusoidal
B:-Trapezoidal
C:-Rectangular
D:-DC
Correct Answer:- Option-A
Question30:-A 4 pole wave wound armature of a DC generator has 720 conductors and is rotated at 1000 RPM. If the useful
flux is 20 m Wb. Calculate the generated voltage
A:-240 V
B:-480 V
C:-960 V
D:-None of the above
Correct Answer:- Option-B
Question31:-The pointer of an indicating instrument is in the final deflected position, when
A:-The deflecting torque is zero
B:-The controlling torque is zero
C:-The damping torque is zero
D:-Both deflecting and controlling torques are zero
Correct Answer:- Option-C
Question32:-PMMC instrument can be used for
A:-AC only
B:-Both AC and DC
C:-DC only
D:-None of the above
Correct Answer:- Option-C
Question33:-The Watt hour meter is _______ instrument.
A:-An integrating
B:-An indicating
C:-A recording
D:-A transfer
Correct Answer:- Option-A
Question34:-In a household single phase induction type energy meter, the meter can be reversed by
A:-Reversing the supply terminals
B:-Reversing the load terminals
C:-Opening the meter connections and reversing either the potential coil terminals or current coil terminals
D:-Opening the meter and reversing connections of both current and potential coil circuits
Correct Answer:- Option-C
Question35:-A voltmeter has resistance of 2000Ω when it is connected across a DC circuit and its power consumption is 2
mW. Suppose this voltmeter is replaced by voltmeter of 4000Ω resistance in the circuit, the power consumption will be
A:-4 mW
B:-2 mW
C:-1 mW
D:-0.5 mW
Correct Answer:- Option-C
Question36:-The power in a three phase circuit is measured using two watt meter method. The reading of one of the watt
meters is positive and that of the other is negative. The magnitude of the reading is different. It can be concluded that the
power factor of the circuit is
A:-Unity
B:-Zero (lagging)
C:-0.5 (lagging)
D:-Less than 0.5 (lagging)
Correct Answer:- Option-D
Question37:-Creeping in a single phase induction type energy meter may be due to
A:-Overcompensation for friction
B:-Overvoltage
C:-Vibration
D:-All of the above
Correct Answer:- Option-D
Question38:-A 250 V moving iron voltmeter takes a current of 0.05 A when connected to a 250 V DC supply. The coil has an
inductance of 1 H. Determine the percentage error when the meter is connected to a 250 V, 100 Hz AC supply.
A:-1%
B:-0.8%
C:-10%
D:-0.5%
Correct Answer:- Option-B
Question39:-Which of the following instrument is equally accurate in DC as well as AC circuits ?
A:-Dynamometer type watt meter
B:-Moving iron ammeter
C:-PMMC voltmeter
D:-Induction type watt meter
Correct Answer:- Option-A
Question40:-The scale of PMMC instrument is uniform because
A:-Of eddy current damping
B:-External magnetic fields have no effect
C:-It is spring controlled
D:-It has no hysteresis loss
Correct Answer:- Option-C
Question41:-The donor concentration of Si crystal is 1.9 × `10^(24)` /`m^(3)` and the intrinsic concentration is 1.4 ×
`10^(18)`/`m^(3)` . Estimate the concentration of holes
A:-1.0 × `10^(12)` `/m^(3)`
B:-1.0 × `10^(6)` `/m^(3)`
C:-0.7 × `10^(6)` `/m^(3)`
D:-1.4 × `10^(12)` `/m^(3)`
Correct Answer:- Option-A
Question42:-The Fermi level of intrinsic semiconductor is
A:-Above the conduction band
B:-Below the valance band
C:-Midway between conduction band and valance band
D:-None of the above
Correct Answer:- Option-C
Question43:-Diode in reverse bias is equivalent to
A:-Resistor of low resistance
B:-Resistor of high resistance
C:-Capacitor of high time constant
D:-Capacitor of low time constant
Correct Answer:- Option-B
Question44:-Give the relation between `alpha` and` ` `beta` of a transistor“
A:-`alpha =` `(beta)/(1-beta)`
B:-`alpha =` `(beta+1)/(beta)`
C:-`beta =` `(alpha+1)/(alpha)`
D:-`beta =` `(alpha)/(1-alpha)`
Correct Answer:- Option-D
Question45:-The diode that can be used as a voltage regulator is
A:-Photo Diode
B:-Zener Diode
C:-PIN Diode
D:-Varactor Diode
Correct Answer:- Option-B
Question46:-When the collector voltage in a NPN transistor increases, the effective base width decreases. This phenomenon
is called
A:-Schottky Effect
B:-Punch Through Effect
C:-Eber’s Moll Effect
D:-Early Effect
Correct Answer:- Option-D
Question47:-Find the amplification factor of a JFET having drain resistance 39 KΩ and transconductance 3 mS
A:-13
B:-39
C:-117
D:-42
Correct Answer:- Option-C
Question48:-Peak inverse voltage of a diode in centre tap full wave rectifier is
A:-`2V_(m)`
B:-`V_(m)`
C:-`V_(m)“/`2
D:-`V_(m)2`
Correct Answer:- Option-A
Question49:-The various colours of LED can be obtained by varying the
A:-Material of the diode
B:-Cut in voltage of the diode
C:-Breakdown voltage of the diode
D:-Doping concentration of the diode
Correct Answer:- Option-A
Question50:-Determine the stability factor of a transistor with β = 100 with fixed bias is
A:-100
B:-78
C:-150
D:-101
Correct Answer:- Option-D
Question51:-The voltage buffer has
A:-Low input impedance and high output impedance
B:-High input impedance and low output impedance
C:-Low input impedance and low output impedance
D:-High input impedance and high output impedance
Correct Answer:- Option-B
Question52:-The gain of the RC coupled amplifier gets reduced at high frequencies due to
A:-Transistor
B:-Coupling capacitor
C:-Bypass capacitor
D:-Interelectrode capacitance
Correct Answer:- Option-D
Question53:-Give the output signal of a common emitter amplifier having a gain of 100 for an input signal 0.3 cos (200t)
A:-3 cos (200t)
B:-30 cos (200t + 90°)
C:-30 cos (200t + 180°)
D:-100 cos (200t + 90°)
Correct Answer:- Option-C
Question54:-Heat sinks are used in power amplifier circuits to
A:-Decrease output power
B:-Increase output power
C:-Increase collector dissipation rating of the transistor
D:-Reduce the heat losses in the transistor
Correct Answer:- Option-C
Question55:-The main advantage of crystal oscillator is
A:-High output voltage
B:-High frequency stability
C:-High efficiency
D:-High gain
Correct Answer:- Option-B
Question56:-Which of the given characteristics are false in case of ideal OPAMP ?
A:-Infinite output impedance
B:-Infinite input impedance
C:-Infinite CMRR
D:-Infinite bandwidth
Correct Answer:- Option-A
Question57:-Find the signal to noise ratio for diode current `I_(D)` = 1`mu`A over a 2 MHz bandwidth.
A:-20 dB
B:-45 dB
C:-72 dB
D:-37 dB
Correct Answer:- Option-C
Question58:-Which of the following causes the drain current to increase with `V_(DS)` in the saturation region ?
A:-Channel length modulation
B:-Inversion charge in the channel
C:-Body effect
D:-Hole mobility
Correct Answer:- Option-A
Question59:-Why is polysilicon, rather than metal, used for the gate in modern MOS transistors ?
A:-Better channel inversion
B:-It simplifies the fabrication process
C:-Lower resistance
D:-Makes a better contact to sources and drains
Correct Answer:- Option-B
Question60:-What is the level of roll off in most OPAMPs ?
A:-–6 dB/decade
B:-–20 dB/octave
C:-–6 dB/decade or –20 dB/octave
D:-–6 dB/octave or –20 dB/decade
Correct Answer:- Option-D
Question61:-Choose the open thermodynamic system
A:-Manual ice cream freezer
B:-Centrifugal pump
C:-Pressure cooker
D:-Automobile battery
Correct Answer:- Option-B
Question62:-Choose the specific property of a thermodynamic system
A:-Density
B:-Viscocity
C:-Temperature
D:-Pressure
Correct Answer:- Option-A
Question63:-One ton of refrigeration is equivalent to
A:-1 kW
B:-2 kW
C:-3.5 kW
D:-100 kW
Correct Answer:- Option-C
Question64:-What is mounted on the crankshaft to transform rotary motion into back and forth motion for actuating the
valves ?
A:-Fly wheel
B:-Slider and crank
C:-Crank
D:-Cam shaft
Correct Answer:- Option-D
Question65:-Which is not a part of petrol engine ?
A:-Valve mechanism
B:-Fuel injector
C:-Induction coil
D:-Air filter
Correct Answer:- Option-B
Question66:-A pelton wheel is ideally suited for
A:-High head/Low discharge
B:-High head/High discharge
C:-Low head/Low discharge
D:-Medium head/Medium discharge
Correct Answer:- Option-A
Question67:-Which of the following water turbines does not require a draft tube ?
A:-Propeller turbine
B:-Kaplan turbine
C:-Francis turbine
D:-Pelton turbine
Correct Answer:- Option-D
Question68:-For transferring power through 90° the suitable gear is
A:-Helical
B:-Spur
C:-Bevel
D:-Herringbone
Correct Answer:- Option-C
Question69:-Cavitation in centrifugal pumps can be reduced by
A:-Reducing the discharge
B:-Reducing suction head
C:-Throttling the discharge
D:-Increase the flow velocity
Correct Answer:- Option-B
Question70:-The pump is to pumping high viscous fluid belongs the category of
A:-Screw pump
B:-Turbine pump
C:-Planger pump
D:-Centrifugal pump
Correct Answer:- Option-A
Question71:-Identify the hardest tool material
A:-Steel
B:-Ceramics
C:-Tungston carbide
D:-Diamond
Correct Answer:- Option-D
Question72:-The essential constituent of any hardened steel is
A:-Austenite
B:-Cementite
C:-Martensite
D:-Pearlite
Correct Answer:- Option-C
Question73:-The collapsible tooth paste tube are made by
A:-Drawing
B:-Deep drawing
C:-Rolling
D:-Extrusion
Correct Answer:- Option-D
Question74:-The vertical passage for bringing molten metal to mould cavity is called
A:-Sprue
B:-Riser
C:-Gate
D:-Chaplet
Correct Answer:- Option-A
Question75:-In investment casting the mould is usually made of
A:-Aluminium
B:-Bronze
C:-Wax
D:-Steel
Correct Answer:- Option-C
Question76:-Electronic components are usually joined by
A:-Brazing
B:-Sintering
C:-Soldering
D:-Welding
Correct Answer:- Option-C
Question77:-Which of the following is a single point cutting tool ?
A:-Parting tool
B:-Milling cutter
C:-Grinding wheel
D:-Broach
Correct Answer:- Option-A
Question78:-Enlarging an existing circular hole with a rotating single point tool is called
A:-Drilling
B:-Boring
C:-Reaming
D:-Countering
Correct Answer:- Option-B
Question79:-Which of the following aspect would lead to interchangeability ?
A:-Process planning
B:-Operator training
C:-Quality control
D:-Product design
Correct Answer:- Option-C
Question80:-Twist drills are made by
A:-Stainless steel
B:-Carbide steel
C:-Diamond
D:-High speed steel
Correct Answer:- Option-D
Question81:-Newtons I law of motion gives the concept of
A:-Work
B:-Inertia
C:-Force
D:-Energy
Correct Answer:- Option-B
Question82:-Which of the following physical quantity is not a vector ?
A:-Mass
B:-Momentum
C:-Impulse
D:-Acceleration
Correct Answer:- Option-A
Question83:-When a bullet is fired from a gun, it is recoiled in backward direction due to
A:-Impulse
B:-Inertia
C:-Acceleration
D:-Conservation of momentum
Correct Answer:- Option-D
Question84:-Which one of the following surface in contact has minimum coefficient of friction ?
A:-Wood on wood
B:-Steel on steel
C:-Tyre on dry concrete
D:-Tyre on wet concrete
Correct Answer:- Option-B
Question85:-An increase in load at the free end of a cantilever is likely to cause failure
A:-At fixed support end
B:-Free end
C:-Mid of its length
D:-Any where
Correct Answer:- Option-A
Question86:-A beam 10 m long is simply supported at the ends, carries a load of 1000 N at the mid of span, the bending
moment under the load is
A:-500 Nm
B:-1000 Nm
C:-2500 Nm
D:-5000 Nm
Correct Answer:- Option-D
Question87:-Which among the following substance is most elastic ?
A:-Steel
B:-Rubber
C:-Brass
D:-Aluminium
Correct Answer:- Option-A
Question88:-When a body executes simple harmonic motion there is always a constant ratio between the displacement of
mass and
A:-Velocity
B:-Acceleration
C:-Frequency
D:-Time period
Correct Answer:- Option-B
Question89:-A closed coil helical spring of stiffness 30 N/mm is arranged in series with another such spring of stiffness 60
N/mm. The stiffness of composite unit is
A:-30 N/mm
B:-45 N/mm
C:-10 N/mm
D:-20 N/mm
Correct Answer:- Option-D
Question90:-The diameter of a shaft is increased from 30 mm to 60 mm and other conditions remain same, how many times
its torque carrying capacity increases
A:-2 times
B:-4 times
C:-8 times
D:-16 times
Correct Answer:- Option-C
Question91:-The back staff reading on a B.M. of R.L. 100.000 is 2.685 m. If foresight reading on a point is 1.345 m, the RL of
the point is
A:-102.685
B:-101.345
C:-101.340
D:-104.030
Correct Answer:- Option-C
Question92:-An imaging line joining the points of equal elevation on the surface of the earth is called
A:-Contour gradient
B:-Level line
C:-Contour surface
D:-Contour line
Correct Answer:- Option-D
Question93:-Bulking of sand is caused due to
A:-Surface moisture
B:-Air voids
C:-Clay contents
D:-All the above
Correct Answer:- Option-A
Question94:-Long column is one which has ratio of effective length and least lateral dimension
A:-Less than 15
B:-Greater than 15
C:-Less than 20
D:-Greater than 20
Correct Answer:- Option-B
Question95:-Apparatus used to test soundness of cement is
A:-Vicat’s apparatus
B:-Vee bee consistometer
C:-Lechatelier apparatus
D:-Compressive strength testing apparatus
Correct Answer:- Option-C
Question96:-According to Indian Road Congress, width of carriage way is
A:-3.75 m for single lane
B:-7.0 m for two lanes without raised kerbs
C:-10.5 m for three lanes
D:-All the above
Correct Answer:- Option-D
Question97:-Piece of brick cut with its one corner equivalent to half the length and half the width of a full brick is known as
A:-Queen closer
B:-King closer
C:-Bevelled closer
D:-Half bat
Correct Answer:- Option-B
Question98:-The standard BOD of water is taken for
A:-5 days at 20°C
B:-3 days at 20°C
C:-5 days at 27°C
D:-2 days at 27°C
Correct Answer:- Option-A
Question99:-Acid rains are caused due to atmospheric pollution of
A:-Carbon dioxide
B:-Chlorofluorocarbon
C:-Ozone
D:-Sulphur dioxide
Correct Answer:- Option-D
Question100:-Chlorine available in water after chlorination process is called
A:-Available chlorine
B:-Free chlorine
C:-Combined chlorine
D:-Residual chlorine
Correct Answer:- Option-D