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Biology Mock Test for all gov. exam [Specially RRB - Group D, NTPC,RRB JE, ALP , Constable]
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What is Morphology?
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what is the study of fossils called?
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What is blood?
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. In addition of- Phloem is made up of all the following substances
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What causes the stem are root circle of a piant to grow:
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For more intracellular proIIerAiton ..... cells
are structured sparsely?
RRB Group-D 1 7-09-2018 (Shift-II)
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DNA refers too
RRB J.E. (14.12.2014, Green paper genetics)
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.... contributed to the formulation of the principles of heredity of traits in living things.
RRB Groun-D 18-09-2018 (Shift-I)
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The study of human evolution indicates that all of us belong to the single species that evolved in.....
. RRB ALP& Tec. (31-08-18 Shift-1)
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Which of the following study related to human?
RRB NTPC 10.04.2016 (Shift-II) Stage
Your score is
The average score is 30%
All are read carefully if you will not summitted in your particular time then quiz will be summitted automatically . Thank You all the best
Electrical Mock test for all competitive exam [ ISRO DRDO , DMRC, BHEL,RAILWAY ,OPTCL,WESEDCL,WBSETCL and others 2021
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Number of canopy fitted to a ceiling fan
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what is the unit of sensitivity of the measuring instrument ?
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Which type damping force will be setup all the manufacture for new indicating instrument?
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If the full load copper loss of a transformer is 2000w its copper loss at 80% of full load is
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In which load the transformer voltage regulation is negative ?
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What is the commercial unit of electrical energy?
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Method of calculating energy by voltmeter, ammeter and stop watch is ......
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How many number of electrons in a copper atom ?
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In which type of fire , both foam and dry powder fire extinguisher can be use ?
The average score is 41%
Electrical Mock test 2021 for all Gov. Exam, Module – 3
This question are very very important for all technical exam .
The application of stepper motor is ..........
Which of the resistor has more power handling capacity ?
Resistance of a galvanometer is 0.5 ohm and full scale deflection corresponds to 10 mA . What is the shunt resistor required to increase the range of the instrument to 1A
Three 1.5 V cells each having internal resistance 10 ohm are connecting in series. A 15 ohm load is connected to this battery. What is the current through this circuit ?
According to which law , the back emf in a DC motor opposed the applied voltage?
A triplex wave winding will have ........
What is the peak to peak voltage of 250V AC ?
A voltage of V sin(4t) is applied ta pure capacitor. Which of the following represents the current through the capacitor ? ( ISRO VSSC)
Equation of voltage form a source is V= 3sin(20t) + 4sin(30t). What is the power dissipated if this voltage is applied across a 10Ω resistor. [ ISRO VSSC]
The ratio of collector current to emitter current of transistor is 0.99. what is the ratio of collector to base current ?[VSSC]
The average score is 27%
After timer finished countdowning, quiz will be submitted automatically. So please finish in particular time . Thank You all the best
Electrical Mock test 2021 for all Gov. Exam, Module – 2
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The capacitance of a small ( less then 1 HP ) single phase motor will be in the order of ---
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CT are use for high current measuring purpose . How can we calculate loads current ?
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As per letter and digit code values , how the value of 1500000 ohm resistance is to be represented ?
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We know that 1024 MB is equal to 1 GB . 8 Bits is equal to how much number of nibble ?
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Balance & unbalance load power normally we calculate by using two watt meter method . What is the relation between W1 & W2 ? , when power factor is 0.5 .
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Basic common logic gate is OR gate , AND gate , NOT gate, NOR gate, NAND gate, X OR gate, X NOR. Which gate are use commonly universal purpose ?
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What is the colour of fresh silica gel of the transformer ?
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No load condition of a transformer relation between E1 & E2 is
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what is unit of resistance ?
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The rotor of a split phase motor receives it's power form
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OR gate input signal is 0 and 1 then what is the output signal?
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A relay performs the function of ---
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Screen cable are suitable for which range ?
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what is the unit of power ?
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Reverse biased condition the current will be ....
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The UJT are making P and N type silicon materiel . Which type of semiconductor materiel is highly dooped ?
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---- is not a magnetic insulator but its electrically insulator.
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A semiconductor is
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Magnetic effect of electric current was discover
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A coil is rotating 8 pole generator when rotate one revolution of the coil then how many no. of cycle will be generated?
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Amalgamating are provided in the battery for reduce the ---------
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Squirrel cage induction motor rotor slot are slightly skewed because ------------
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Ah efficiency of the battery ---------------
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Lead acid battery after discharge .......
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Relative permeability of the paramagnetic substance ?
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In which motor has negligible rotor copper loss consider ?
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what is the unit of reluctance ?
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What is the unit charge?
The average score is 35%
Electrical Mock test 2021 for all Gov. Exam, Module – 4
Under blocked rotor test of three phase induction motor the slip is...
Preset resistor is ---------- type of resistor
The relation between synchronous speed(Ns) and rotor speed(Nr) of three phase induction motor is given by
A preset is a sort of..... [ Very important all exam]
which circuit we can use for current magnifying ?
Which of the material are necessary for making red colour LED?
Name of the diode which is very significant role play in counter place?
Vulcanize Indian Rubber are use up to ....
Below which of the circuit is known as tank circuit
What is the temperature rating of leatheroid paper?
The average score is 33%
Electrical Mock test 2021 for all Gov. Exam, Module – 5
Name of the best rule for consider to identify the polarity of solenoid?
How many two way switch is required for Control 4 no. of lamps the Tunnel wiring ?
When synchronous motor behave as a synchronous generator?
Three phase induction motor are rotate at 1450 rpm , 415v . When slip is 0.04 then what is the efficiency in this motor ?
And gate are perform as logically............
In two wattmeter method , at what power factor the reading of both wattmeter will be positive but not equal ?
Superposition Theorem can be applied to the electrical circuit having only
The unit of Luminous flux is...
In 4 point starter , the NVC is connected in series to......
Symmetrical lap winding is provided in
The average score is 40%
Electrical Mock test 2021 for all Gov. Exam, Module – 6
Unsymmetrical lap winding is employed in....
The average score is 59%
Electrical Mock test 2021 for all Gov. Exam, Module – 7
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A two poles Motors has 12 armature slots. what will be its slot - pitch( coil pitch)
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Reverse current in a diode is of the order of...
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In cables the charging current.....
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What will be the efficiency of class a amplifier
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Minimum negative value occurs in a complete cycle wave.
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The scale range mark on the dial of the ohm meter is..
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The motor useful for signaling and timing device is...
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The average score is 29%
Electrical Mock test 2021 for all Gov. Exam, Module – 8
Why armature resistance of a DC generator is very low?
What is the purpose of split ring in DC Generator?
In which three phase system the artificial neutral is required to measure the phase voltage?
Which material is coated in tungsten electrode of a fluorescent tube lamp?
Which type of light fitting design has free from glare?
Why the rotor bar are mounted in a slightly skewed position in three phase motor?
what indicate the shape of a B H (curve hysteresis) loop of material?
Sinusoidal V= 30Sinwt calculate the time required by the voltage to reach positive pick for second time and reach negative peak for the first time?
i = 100Sin(100∏t) find the time for the current to reach 50 ampere
There is no Spring control in
Electrical Mock test 2021 for all Gov. Exam, Module – 9
Tesla is unit of
The direction of electric field due to positive charge is...
The units of capacitance are..
On no load phasor diagram of a transformer the core loss component of the current remain in phase with........
Power factor of a magnetizing components of current of a transformer is
Time constant of an inductive circuit
If resistance is 40 ohm and inductance is 3H in a R-L series circuit , then what will be the time constant of this circuit ?
Two coil have inductance of 8mH and 16mH and a coefficient of coupling of 0.2 . When two coils are series and aiding nature. Then find out the total inductance
If you will increase the voltage then what will happens the resistor in carbon filament lamp?
Ohm's law is not applicable to
The average score is 61%
Electrical Mock test 2021 for all Gov. Exam, Module – 10
As per ISS, the minimum thickness of wood batten for batten wiring is
Size and quality of earth wire which is used in concealed wiring are
The earth resistance of a low and medium voltage installation should not be more than
Fuse is to be provided on
The fuse provides protection against
Fuse is the following part of a circuit
As per IE rules, the supplier is not permitted to vary the declared frequency by more than
As per IE rules, the supplier is not permitted to vary the declared voltage by more than
The increase in resistance per ohm per degree centrigrade rise in temperature is..
The average score is 53%
Electrical Mock test 2021 for all Gov. Exam, Module – 11
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_____ are the conductors, which connect the consumer's terminals to the distribution
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4. Overhead system can be designed for operation upto ______.
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. If variable part of annual cost on account of interest and depreciation on the capital outlay is equal to theannual cost of electrical energy wasted in the conductors, the total annual cost will be minimum and thecorresponding size of conductor will be most economical. This statement is known as ______.
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. The wooden poles well impregnated with creosote oil or any preservative compound have life ______.
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. Which of the following materials is not used for transmission and distribution of electrical power ?
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Galvanised steel wire is generally used as _____.
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The usual spans with R.C.C. poles are ______.
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310 km line is considered as ______.
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The square root of the ratio of line impedance and shunt admittance is called the _____.
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. Low voltage cables are meant for use up to _____.
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Which of the following methods is used for laying of underground cables ?
The average score is 52%
Electrical Mock test 2021 for all Gov. Exam, Module – 12
Why armature resistance of a DC generator is very low
there is no Spring control in
The average score is 48%