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A 100W bulb is connected in series with a room heater. If now 100W bulb is replaced by a 40w bulb, the heater output will
The Hall coefficient of an intrinsic semiconductor which has equal numbers of mobile electrons and holes is
The battery cells in an electronic millimeter are required to measure which one of the following?
Kirchoff’s voltage law is concerned with
In which part of a D.C. machine iron loss occured?
A 3-ϕ 6 pole 50Hz induction motor is running at 5% slip. What is the speed of the motor?
In a resonant circuit, the power factor at resonance is
A vacuum cleaner employs which type of motor?
A synchronous motor can be used as synchronous condenser when it is
The bandwidth of an AC series circuit consisting of R, L and C is
The no load speed of DC series motor is
A circuit component that opposes the change in circuit voltage is
The curve representing Ohm’s law is
Superposition theorem is essentially based on the concept of
In a R-L-C parallel circuit, the admittance is defined as the reciprocal of
Higher the Q of a series circuit narrower its
Which one of the following bridges is used for measurement of dielectric loss and power factor of a capacitor?
The scale of moving iron (M.I.) instrument is
Motor used for elevators is generally
A PN junction is
Electrical conductivity is measured in?
Thermo-couple is based on?
What is the frequency of Rotor current of a 50 Hz induction motor operating at 2% slip?
In a parallel RLC circuit, at resonant frequency?
Power factor of an A.C. circuit lies between?
In the magnetic core the electromotive forces (emf) induced in accordance with Faraday’s law of electromagnetic induction give rise to?
Choose the correct statement?
With the increase in supply frequency the inductive resistance of a circuit?
Superposition theorem is not applicable for?
The armature core of a dc machine is laminated to minimize?
Owing to skin effect
Corona results in
When the load at the receiving end of a long transmission line is removed, the sending end voltage is less than the receiving end voltage. This effect is known as
The ground ring transmission lines are used to
As the power factor of a circuit is increased, ………… .
The power factor of the circuit shown in Fig. is ……….
A moving coil instrument having meter resistance of 5Ω is to be used as a voltmeter of range 0-100 V. If the full-scale deflection current is 10 mA, then required series resistance is………….
The method of symmetrical components is very useful for
Mains a.c. power is converted into d.c. power for……………
What happens to the tension in a conductor hanged between two poles, when temperature varies?
The area of hysteresis loss is a measure of
A salient pole synchronous generator connected to an infinite bus power will deliver maximum power at a power angle of
The property of coil by which a counter e.m.f. is induced in it when the current through the coil changes is known as
Both the number of turns and the core length of an inductive coil are doubled. Its self-inductance will be
The negative phase sequence in a 3–phase synchronous motor exists when the motor is
The magnitude of the induced e.m.f. in a conductor depends on the
Which of the following motor is used in household refrigerator ?
Two coils have inductances of 8 mH and 18 mH and a co-efficient of coupling of 0.5. If the two coils are connected in series aiding, the total inductance will be
A 2kVA transformer has iron loss of 150 W and full load copper loss of 250 W. The maximum efficiency of the transformer will occur when the total loss is
The breakdown voltage of a cable depends on
Domestic appliances are connected in parallel across a.c. mains because ……….
Fig. shows voltmeter-ammeter method of measuring the value of resistance R. This method is used to measure R if its value is.
In a semiconductor, the energy gap between valence band and conduction band is about………..
Which power plant has minimum operating cost?
Which of the following least affect the cost of electricity produced in thermal power plant?
If a 2-wire ac single phase distribution system operating at ‘P’ MW and ‘V’ kV, operating at the power factor of 0.8, then the current in the outer wire in kA is ______
What is the main reason for maintaining consumer end voltage within prescribed limit?
The energy in joules stored in the magnetic field of 0.15 H inductance with a 180mA current will be
Two coils ‘1’ and ‘2’ lie in parallel planes. The current through ‘1’ is changed as shown in Fig. which of the following statement about coil ‘2’ is necessarily true ?
Synchronous-induction coupled motors are required for
For obtaining the short circuit characteristics, the machine is driven at
The theorem which states that in any linear non linear, passive, active, time variant and time invariant network, the summation of instantaneous power is zero will be called as
In a simple magnetic field the strength of magnet flux
A 3-phase, 50 hz, 4-pole, induction motor is running at 1400 rpm. To get full load torque at starting, find ratio of starting current to full load current.
Main purpose of oil in OCB is to
The charging current in a transmission line increase due to corona effect because corona increase
The copper or ohmic loss in open circuit test on transformer
The sensitivity of a Wheatstone bridge depends upon
In a transistor the reverse saturation current ICO
The power factor of a inductive circuit is
The contents of Allahabad Pillar Inscription of Samud-ragupta were written by:
The famous rock-cut temple of Kailas is at:
The Mughal emperor at the time of Ahmad Shah Abdali’s invasion of India was:
Luanda is the capital city of which country?
The formation of ‘Mushroom rock’ in desert region is an example of
Which of the following states does not have Panchayati Raj Institutions?
The provisions of the Constitution pertaining to the states are applicable to all the states except
Who has been appointed as chairman and managing director (CMD) of Hindustan Copper Ltd?
Where is the headquarters of Hindustan Copper Ltd situated?
Who recently won Romania’s presidential election?
If IRONMAN is coded as 5643013, then how will you code “MANORAMA”?
The reason we have not (a) / been able to pay income tax (b) / is due to fact that we did not receive pay on time. (c) / No error (d)
If 3 $ 4 means 4 is father of 3; 3 # 4 means 4 is mother of 3; 3 L 4 means 4 is sister of 3; and 3 @ 4 means 4 is husband of 3; then which of the following indicates relationship “M is grandfather of P”
The recent study has (a) / indicated that there (b) / is perceptible change in the attitudes of the people. (c) / No error (d)
Kamal told Vimal, “Yesterday I defeated the only brother of the daughter of my paternal grandmother.” Whom did Kamal defeated?
Four alternatives are given for the Idioms/Phrase printed in bold. Choose the alternative which best expresses the meaning of Idiom/Phrase.
Get someone’s goat
Four alternatives are given for the Idioms/Phrase printed in bold. Choose the alternative which best expresses the meaning of Idiom/Phrase.
Spick and Span
Each questions below contain 2 conclusions followed by statements. Find from which of the statements given, both the conclusions given follow.
Conclusions: Some pencils are stencils. No pen is eraser.
STATEMENTS:
Each questions below contain 2 conclusions followed by statements. Find from which of the statements given, both the conclusions given follow.
Conclusions: All garlands are rings is a possibility. Some necklaces are anklets is a possibility.
STATEMENTS:
Out of the four alternatives, choose the one which can be substituted for the given words/sentences
An irrational and intense fear of travel
Out of the four alternatives, choose the one which can be substituted for the given words/sentences
Government by the populace
Study the information and answer the questions :
Seven candidates Ishan, Jaya, Kavya, Lokesh, Mani, Nitesh and Oman had their houses situated along a straight row facing the north. They like different mobiles among Sony , Lenovo , Samsung , Apple , Motorola , Huawei and Realme but not necessarily in the same order. The distance between the neighbouring houses was a successive integral multiple of 5 km and the distance increased from left to right.Ishan’s house was third to the left of the candidate who likes board. Jaya’s house was 135 km to the right of the candidate who likes scale. Kavya’s house was exactly between Oman’s house and the candidate who likes Realme. The candidate who likes motorola was to the immediate left of the candidate who likes Samsung. The candidate who likes Samsung was 115 km to the left of Lokesh’s house. The candidate who likes Huawei was the neighbour of L’okesh’s house. The candidate who likes Apple was 85 km away from Mani’s house. The candidate who likes Sony had house at one of the extreme ends. Oman did not like Lenovo. The distance between any two houses was less than 80 km.
Which mobile does Nitesh likes?
Study the information and answer the questions :
Seven candidates Ishan, Jaya, Kavya, Lokesh, Mani, Nitesh and Oman had their houses situated along a straight row facing the north. They like different mobiles among Sony , Lenovo , Samsung , Apple , Motorola , Huawei and Realme but not necessarily in the same order. The distance between the neighbouring houses was a successive integral multiple of 5 km and the distance increased from left to right.Ishan’s house was third to the left of the candidate who likes board. Jaya’s house was 135 km to the right of the candidate who likes scale. Kavya’s house was exactly between Oman’s house and the candidate who likes Realme. The candidate who likes motorola was to the immediate left of the candidate who likes Samsung. The candidate who likes Samsung was 115 km to the left of Lokesh’s house. The candidate who likes Huawei was the neighbour of L’okesh’s house. The candidate who likes Apple was 85 km away from Mani’s house. The candidate who likes Sony had house at one of the extreme ends. Oman did not like Lenovo. The distance between any two houses was less than 80 km.
Who among the following has distance of 120 km between them?
Out of the four alternatives, choose the one which best expresses the meaning of the given word.
Antithesis
Out of the four alternatives, choose the one which best expresses the meaning of the given word.
Ominous
Facing towards South, Ram started walking and turned left after walking 30 m, he then walked 25 m and turned left and walked 30 m. How far is he from his starting position and in which direction?
DIRECTIONS: In questions, sentences are given with blanks to be filled in with an appropriate word(s). Four alternatives are suggested for each question. Choose the correct alternative out of four.
The louder a news anchor’s voice, _________ that anchor’s rating.
DIRECTIONS: In questions, sentences are given with blanks to be filled in with an appropriate word(s). Four alternatives are suggested for each question. Choose the correct alternative out of four.
The government and BJP have often __________ the need for entrepreneurship.
Starting from a point, a person walked 12 m North, he turned right and walked 10 m, he again turned right and walked 12 m, then he turned left and walked 5 m. How far is he now and in which direction from the starting point?
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