A current is said to be alternating when it changes in _____.
SSC JE Electrical Engineering 4th March 2017 Shift-2
For the following questions answer them individually
The rms value of a sine wave is 100 A. Its peak value is _____.
A 50 Hz ac voltage is measured with a moving iron voltmeter and a rectifier type ac voltmeter connected in parallel. If the meter readings are V1 and V2respectively and the meters are free from calibration errors, then the form factor of the ac voltage may be estimated as _____
The rms value of the resultant current in a wire which carries a dc current of 10 A and a sinusoidal alternating current of peak value 20 A is _____
Two sinusoidal emfs are given as _____. $$e1=A\sin(\omega t+\frac{\pi}{4})$$ and $$e2=B\sin(\omega t-\frac{\pi}{6})$$. The phase difference between the two quantities, in degrees, is _____.
Which of the following statements pertains to resistor only?
The current waveform in a pure resistor of $$10Ω$$ is shown in the given figure. Power dissipated in the resistor is:-
Purely inductive circuit takes power from the ac mains when _____.
A pure capacitance connected across 50 Hz, 230 V supply consumes 0.04 W. This consumption is attributed to _____.
A voltage of 50sin1000t V is applied across a parallel plate capacitor with plate area of 5 cm2 and plate separation gap of 5 mm. If the dielectric material in the capacitor has ?=2?0, then the capacitor current in (Amperes) will be _____.
For the AC circuit as shown below,if the rms voltage across the resistor is 120 V, what is the value of the inductor?
The R-L circuit of the figure is fed from a constant magnitude variable frequency sinusoidal voltage source v_in. At 100 Hz, the R and L element each has a voltage drop $$U_{rms}$$. If the frequency of the source is changed to 50 Hz, then new voltage drop across R is:-
A certain R-L series combination is connected across a 50 Hz single-phase ac supply. If the instantaneous power drawn was found to be negative for 2 milliseconds in one cycle, the power factor angle of the circuit must be _____.
The voltage phaser of a circuit is $$10\angle15^\circ V$$ and the current phasor is $$2 \angle -45^\circ A$$. The active and reactive powers in the circuit are _____.
In an RLC circuit, supplied from an ac source, the reactive power is 1) average energy stored in the electric field
In gases the flow of current is due to _____.
Ohm's law is applicable to _____.
Pure metals generally have _____.
The insulation resistance of a cable of length 10 km is $$1 MΩ$$. For a length of 100 km of same cable, the insulation resistance will be _____.
All the resistances in figure shown below are $$1Ω$$ each. The value of current ‘I’ is:-
Which of the following does not use heating effect of electric current?
In the figure given below,the value of:-
Four 100 W bulbs are connected in parallel across 200 V supply line. If one bulb gets fused _____.
A 100 watt light bulb burns on an average of 10 hours a day for one week. The weekly consumption of energy will be _____.
The elements which are not capable of delivering energy by its own are known as _____.
A network has 4 nodes and 3 independent loops. What is the number of branches in the network?
A connected network of N > 2 nodes has at most one branch directly connecting any pair of nodes. The graph of the network _____.
The determinant of the matrix
$$\begin{bmatrix}1 & 0 & 0 & 0 \\100 & 1 & 0 & 0\\100 & 200 & 1 & 0 \\100 & 200 & 300 & 1 \end{bmatrix}$$ is:
Ideal voltage source have _____.
A voltage source having an open circuit voltage of 100 V and internal resistance of 50 Ω is equivalent to a current source _____.
Consider the circuit given below. What is the power delivered by the 24 V source?
For the circuit shown what is the voltage V if the source voltage is reduced by 50%?
A coil wound over an iron carries certain current and establishes flux in the ring. If the area of a x-section of the ring is doubled, the flux density in the core _____.
A cast steel electromagnet has an air gap length of 0.3 cm. Find the ampereturns for the air gap to produce a flux density of 0.7 Wb/m2 in the air gap.
An air gap is usually inserted in magnetic circuits so as to _____.
Which of the following statements is correct?
Consider the following statements:
The force per unit length between two stationary parallel wires carrying (steady) currents _____.
A. is inversely proportional to the separation of wires.
B. is proportional to the magnitude of each current.
C. satisfies Newton's third law.
Out of these _____.
A magnetic circuit requires 800 AT to produce a certain quantity of flux in magnetic circuit. If its excitation coil has 100 turns and 5 ohm resistance, the voltage to be applied in exciting coil is _____.
According to Faraday's law of electromagnetic induction an emf is induced in a conductor whenever it _____.
"In all cases electromagnetic induction, an induced voltage will cause a current to flow in a closed circuit in such a direction that the magnetic field which is caused by that current will oppose the change that produces the current", is the original statement of _____.
A 500 kVA transformer has constant loss of 500 W and copper losses at full load are 2000 W. Then at what load, is the efficiency maximum?
The all day efficiency of a transformer depends primarily on _____.
In a power transformer, the breather is provided in order to _____.
The stator core of a synchronous machine is built up of ______ laminations.
The sag of a transmission line conductor in summer is _____.
The slip rings employed in a 3-phase synchronous machine are insulated for _____.
For a linear electromagnetic circuit, which of the following statement is true?
A short circuited rectangular coil falls under gravity with the coil remaining in a vertical plane and cutting perpendicular horizontal magnetic lines of force. It has __________ acceleration.
Reluctance torque in rotating machines is present, when _____.
In a dc motor the windage loss is proportional to _____.
Generally the no-load losses of an electrical machine is represented in its equivalent circuit by a _____.
The zero-suppression in recorders implies _____.
Null type recorders are __________ recorders.
In a magnetic tape blanks are provided at the _____.
If the number of bellows elements is made double and the thickness of the bellows element is made half, the displacement of the element for the same applied pressure would be the _____.
The meter measuring total flow in a liquid makes use of _____.
Self-generating type transducers are __________ transducers.
A transducer that converts measurand into the form of pulse is called the ___________ transducers.
High value pot resistance leads to _____.
In wire wound strain gauges, the change in resistance under strained condition is mainly on account of _____.
Which of the following is not an advantage of semiconductor gauges as compared to conventional strain gauges?
In a vapour compression system, which of the following units is adversely affected by the presence of moisture?
The range of horse power of diesel locomotive is _____.
Electric traction in comparison to other traction systems has the advantages of _____.
The method suitable for heating of conducting medium is _____.
The danger of electric shock is maximum _____.
Halogen lamps have the advantages of _____.
The primary reason for low power factor is owing to installation of _____.
The load factor for domestic loads may be taken as _____.
An industrial consumer has a load pattern of 2000 kW 0.8 lag for 12 hours and 1000 kW unity power factor for 12 hours. The load factor is _____.
Diversity factor is the ratio of _____.
Diversity factor x maximum demand is _____.
As per recommendation of ISI the maximum number of points of lights, fans, and socket that can be connected in one sub-circuit is _____.
Which of the following wiring is preferred for workshop lighting?
According to fuse law, the current carrying capacity varies as _____.
The loop earth wire used shall not be of size less than _____.
Third pin in a 3-pin plug is provided so as to _____.
Which one of the following is used as an active device in electronic circuits?
A device having characteristics very close to that of an ideal voltage source is _____.
For thermionic emission _____.
A photocell is illuminated by a small bright source placed 1 m away. When the same source of light is placed two metres away, the electrons emitted by the photocathode _____.
In a vacuum tetrode secondary emission is because of emission of _____.
Which of the following circuit is mostly used as an amplifier?
In a dc compound motor, 4-point starter provided as _____.
The simplest form of a motor controller is _____.
The plugging provides ___________ braking torque in comparison to rheostatic and regenerative braking systems.
Dynamic braking is very effective if the dc motor _____.
In case of dc shunt motors, the regenerative braking is employed when the load _____.
The variable loss in a dc shunt machine is _____.
In a synchronous generator, a divided winding rotor is preferable to a conventional winding rotor because of _____.
The stator winding of an alternator is normally connected in star to eliminate the _________ harmonic component of the voltage waveform
How can the reactive power delivered by a synchronous generator be controlled?
The armature reaction effect in a synchronous machine depends on _____.
A synchronous generator is feeding a zero power factor (lagging) load at rated current. The armature reaction is _____.
A synchronous motor may fail to pull into synchronism owing to _____.
The rated voltage of a 3-phase power system is given as _____.
Feeder is designed mainly from the point of view of _____.
66 kV is suitable for transmission of power over _____.
Which of the following properties has got higher value for aluminium in comparison to that of copper?
ACSR conductors have _____.
Select the related word/letters/number from the given alternatives.
Brick : Mortar :: Body : ?
Solution
Login to view the detailed solution.
Select the related word/letters/number from the given alternatives.
Cheer : Cheerfully :: Act : ?
Solution
Login to view the detailed solution.
Select the related word/letters/number from the given alternatives.
Back : Forth :: ?
Solution
Login to view the detailed solution.
Select the related word/letters/number from the given alternatives.
QPO : RST :: IHG : ?
Solution
Login to view the detailed solution.
Select the related word/letters/number from the given alternatives.
Veal : Allele :: Mead : ?
Solution
Login to view the detailed solution.
Select the related word/letters/number from the given alternatives.
Cured : Redye :: Alum : ?
Solution
Login to view the detailed solution.
Select the related word/letters/number from the given alternatives.
2 : 8 :: 5 : ?
Solution
Login to view the detailed solution.
Select the related word/letters/number from the given alternatives.
999 : 1001 :: 99 : ?
Solution
Login to view the detailed solution.
Select the related word/letters/number from the given alternatives.
1/3 : 3 :: 2/5 : ?
Solution
Login to view the detailed solution.
Select the odd word/letters/number/word pair/number pair from the given alternatives
Solution
Login to view the detailed solution.
Select the odd word/letters/number/word pair/number pair from the given alternatives.
Solution
Login to view the detailed solution.
Select the odd word/letters/number/word pair/number pair from the given alternatives.
Solution
Login to view the detailed solution.
Select the odd word/letters/number/word pair/number pair from the given alternatives.
Solution
Login to view the detailed solution.
Select the odd word/letters/number/word pair/number pair from the given alternatives.
Solution
Login to view the detailed solution.
Select the odd word/letters/number/word pair/number pair from the given alternatives
Solution
Login to view the detailed solution.
Select the odd word/letters/number/word pair/number pair from the given alternatives.
Solution
Login to view the detailed solution.
Select the odd word/letters/number/word pair/number pair from the given alternatives.
Solution
Login to view the detailed solution.
Select the odd word/letters/number/word pair/number pair from the given alternatives
Solution
Login to view the detailed solution.
In the given series one word/one term/one number is missing. Select the correct alternative from the given ones that will complete the series.
FGRTEE, GHTJJR, SDVVTF, GAAWES, ?
Solution
Login to view the detailed solution.
In the given series one word/one term/one number is missing. Select the correct alternative from the given ones that will complete the series.
Chair, Iron, Once, Cellular, ?
Solution
Login to view the detailed solution.
In the given series one word/one term/one number is missing. Select the correct alternative from the given ones that will complete the series.
pig, mead, poise, snarls, ?
Solution
Login to view the detailed solution.
In the given series one word/one term/one number is missing. Select the correct alternative from the given ones that will complete the series.
F, I, L, O, ?
Solution
Login to view the detailed solution.
In the given series one word/one term/one number is missing. Select the correct alternative from the given ones that will complete the series.
qlg, rmh, sni, toj, ?
Solution
Login to view the detailed solution.
In the given series one word/one term/one number is missing. Select the correct alternative from the given ones that will complete the series.
XXOXXX, XXXOXX, XXXXOX, XXXXXO, ?
Solution
Login to view the detailed solution.
In the given series one word/one term/one number is missing. Select the correct alternative from the given ones that will complete the series.
7, ?, -2, -8, -15
Solution
Login to view the detailed solution.
In the given series one word/one term/one number is missing. Select the correct alternative from the given ones that will complete the series.
$$\frac{3}{2},\frac{2}{3},?,-1,\frac{-11}{6}$$.
Solution
Login to view the detailed solution.
In the given series one word/one term/one number is missing. Select the correct alternative from the given ones that will complete the series.
37, 41, ?, 47, 53
Solution
Login to view the detailed solution.
If j < k, l > k , k < i , which of the following must be true?
I. j < l
II. i > j
Solution
Login to view the detailed solution.
The weights of five boxes are 30, 40, 50, 70 & 90 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes?
Solution
Login to view the detailed solution.
If the letters H, C, R, A, I, Y & T are numbered 1, 2, 3, 4, 5, 6 & 7 respectively. Select that combination of numbers so that letters arranged accordingly, form a meaningful word.
Solution
Login to view the detailed solution.
If ANTIQUES is coded as DQWLTXHV, then how will FOX be coded as?
Solution
Login to view the detailed solution.
In a certain code language, 426 means 'board is black', 213 means 'chalk is white', 523 means 'black or white'. Find the code for 'or'.
Solution
Login to view the detailed solution.
In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. Find out the answer to the following question.
$$0.125+32-54\times3=?$$
Solution
Login to view the detailed solution.
If A % B means A is mother of B, A & B means A is father of B and if A $ B means A is daughter of B, then what does P % Q $ R & S mean?
Solution
Login to view the detailed solution.
If 97%61 = 7, 64%52 = 5 then find the value of 92%65 = ?
Solution
Login to view the detailed solution.
Which of the following words follows the trend of the given list?
Animate, Aerate, Caste, Setup, Items, ?
Solution
Login to view the detailed solution.
Which of the following terms follows the trend of the given list?
OUO, OOUOO, OOOUOOO, ?
Solution
Login to view the detailed solution.
A man walks 7 km North, then turns West and walks 3 km, then turns South and walks 7 km, then turns to his right and walks 5 kms. Where is he now with reference to his starting position?
Solution
Login to view the detailed solution.
Two women start walking from the same point. Woman A walks 3 m West. Then she turns to her left and walks 10 m, then she turns to her left again and walks 9 m. At the same time, B has walked 6 m East, then she turns to her right and walks 2 m. Where is B now with respect to the position of A?
Solution
Login to view the detailed solution.
In the question two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.
Statement 1 : All bridges are bricks.
Statement 2 : No Stones are bridges.
Conclusion I : Some bricks are stones.
Conclusion II : Some stones are bridges.
Solution
Login to view the detailed solution.
In the question a statement is given, followed by two arguments, I and II. You have to consider the statement to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given arguments, if any, is a strong argument.
Statement : Should cameras be installed in public school class-rooms to monitor teachers?
Argument I : No, This will violate privacy norms.
Argument II : Yes, This will make teachers more accountable, increasing their productivity.
Solution
Login to view the detailed solution.
Which of the following cube in the answer figure cannot be made based on the unfolded cube in the question figure?
Which of the following answer figure patterns can be combined to make the question figure?
Which of the following diagrams represent the relationship between Actors, Actresses and Producers?
In the following figure, square represents men, triangle represents judo players, circle represents karate players and rectangle represents women. Which set of letters represents men who are karate players and Judo players who are not men?
Which answer figure will complete the pattern in the question figure?
From the given answer figures, select the one in which the question figure is hidden/embedded.
A piece of paper is folded and punched as shown below in the question figures. From the given answer figures, indicate how it will appear when opened.
If a mirror is placed on the line MN, then which of the answer figures is the right image of the given figure?
In the following figure, square represents men, triangle represents judo players, circle represents karate players and rectangle represents women. Which set of letters represents men who are karate players and Judo players who are not men?
Which temple complex is in the shape of a gigantic chariot, having elaborately carved stone wheels, pillars and walls?
Who among the following was a classical Indian flute player?
Who among the following was a person of Indian origin and he was also a recipient of the Nobel Prize for Medicine?
Which of the following is an active enzyme?
Which of the following is true?
Which of the following is a micronutrient for a plant?
All of the following are characteristics of "Facilitated Transport" in Plants, except one. Identify that from the given options.
Consider the following pairs:
Name : Formula
1) $$2-Chlorobutane : CH3CH2CH(Cl)CH3$$
2) $$Pentan-2-one : (CH3)2CHCOCH(CH3)2$$
3) $$Prop-2-enal : CH2CHCHO$$
4) $$2,4-Dimethylpentan-3-one : CH3COCH2CH2CH3$$
Which of the above pairs are correctly matched?
The relative lowering of vapour pressure and is equal to the _____________ of the solute.
Bakelite is what type of polymer?
Which of the following group 14 elements has the highest electronegativity?
The code that goes into the __________ tag pair is not displayed by the browser.
Which of the following is included in Character Formatting in a word processor?
Which festival is celebrated on the first day of Uttarayana?
Chief Minister of which State died on 5th December 2016?
The existence of isotopes was first suggested in 1913 by the radiochemist _______________.
Which of the following is true?
Which of the following is true?
If demand curve for almonds is D = 73000 - 30P and supply curve is S = 18000 + 25P, find the equilibrium Quantity?
Gross fiscal deficit =
Personal Disposable Income =
Which of the following is not a green house gas?
Ozone gas is continuously formed by the action of which type of waves on molecular oxygen?
Which of the following statements regarding Atmospheric Circulation and Weather Systems is false?
The atmosphere only contains what percentage of total global carbon?
"ITC Limited" is headquartered in________.
With reference to the interior of the earth consider the following statements:
1) P-waves vibrate perpendicular to the direction of the wave.
2) The mean thickness of oceanic crust is 5 km.
3) S-waves can travel through solids, liquids and gaseous materials.
Which of the statements given above is / are correct?
____________ is a situation when there is a prolonged period of inadequate rainfall marked with mal-distribution of the same over time and space.
Marble is what type of rock?
Half of the earth’s crust is composed of which mineral?
Which of the following crops is suitable for dryland farming?
With reference to India's freedom struggle consider the following statements:
1) The socialist activist Kamaladevi Chattopadhyay had persuaded Gandhiji not to restrict the protests to men alone.
2) The first meeting of the "Round Table Conferences" was held in November 1930 in Mumbai.
3) Viceroy Lord Willingdon was sympathetic to Mahatma Gandhi.
Which of the statements given above is / are correct?
The _____________ commercial companies set up their base in India during the Mughal Empire at Masulipatnam in 1605.
In 1853, a Railway line was laid connecting Bombay with which city?
The traveller Marco Polo who visited India in the Thirteenth century was from which country?
Who conquered Sind in c. 712?
Electromagnet was invented by which scientist?
Consider the following pairs:
Object : Mass (Kg)
1) Uranium atom : 10-10
2) Mosquito : 10-5
3) Boeing 747 aircraft : 108
4) Milky Way Galaxy : 1010
Which of the above pairs are correctly matched?
Which scientist proposed the Wave theory of light?
Which of the following electromagnetic waves can be detected using Point contact diodes?
The energy U, stored in a capacitor of capacitance C, with charge Q and voltage V can be expressed as all of the following, except
The First Past the Post system of election within the Indian Constitution are borrowed from the ______________ constitution.
The Fundamental Right to move freely throughout the territory of India is what type of Right?
Which of the following is a power of the Lok Sabha?
Which of the following subjects are part of the Union List?
Which of the following courts can move cases from any court to itself?
Who among the following is a professional Badminton singles player from India?
Who among the following poets wrote the book of poems "Madhushala"?
Which of the following is true about non-chordates?
Anterior end of an earthworm consists of the mouth and the ____________.
