Category: DMRC ( Delhi Metro Rail Corporation)

A transformer transforms

If a very flexible wire is laid out in the sphere of a hairpin with its two ends secured. What sphase will the wire tend to assume if a current is passed through it?

If the voltage V across 10 Ω resistance is 10 V, what is the voltage E of the voltage source in the circuit shown below?

A 3-phase 3-wire supply feeds a star connected load consisting of 3 equal resistors. If one of the resistors is to be removed, then what is the reduction in power as compared to the original power?

In the RF amplifier stage cascade (CE-C(2) amplifier is used because it gives-

Diversity reception in used to-

Mark out transferred electron device in the following-

In a 3 phase full converter, the output voltage during overlap is equal to-

Thyristor A has rated gate current of 2A and thyristor B a rated gate current of 100 mA-

In the output of a normal monochrome receiver video detector voltages, which are not found, are-

In the output of a normal monochrome receiver video detector voltages, which are not found, are-

The HV anode supply for the picture tube of TV receiver is generated in the-

In data transfer operation which flag get affected-

When a carrier wave is modulated at 100% it’s power is increased by –

While executing program microprocessor checks INTR line clearing-

For an elliptically polarized wave incident on the interface of a dielectric at the Brewster angle then the reflected wave will be-

A transmission line of characteristic impedance ZO = 50 ohms, phase velocity Vp = 2 x 108 m/s and length 1 = 1m is terminated by a load ZL= ( 30 ? j40 ) ohms. The input impedance of the line for a frequency of 100 MHz will be

In which error check technique of data communication 2?s complement of all bytes of data is transmitted with data-

Program execution hierarchy decides which operator-

Load saturation characteristic of a d.c. generator given relation between

Infrared Astronomical Satellite (IRAS) was launched in

A transformer having 1000 primary turns is connected to a 250-V a.c. supply. For a secondary voltage of 400 V, the number of secondary turns should be

Of the following statements concerning parallel operation of transformers, the one which is not correct is

Irrespective of the supply frequency, the torque developed by a SCIM is the same whenever is the same.

The primary and secondary induced e.m.fs. E1 and E2 in a two-winding transformer are

No-load test on a transformer is carried out to determine

At relatively light loads, transformer efficiency is low because

The slight curvature at the lower end of the O.C.C. of a self-excited d.c. generator is due to

The capacitance of a capacitor is NOT influenced by

Two materials having temperature coefficient of 0.004 and 0.0004 respectively are joined in series. The overall temperature coefficient is approximately:

भारत के किस समाचार-पत्र को यूनेस्को किंग सेंजोंग पुरस्कार-2009 मिला ?

किस देश ने विश्व ATM कांग्रेस (WATMC -018) की मेजबानी की?

A capacitor consists of two

The maximum range of transmitter depends on

According to KVL, the algebraic sum of all IR drops and e.m.f.s in any closed loop of a network is always

The power factor of a squirrel-cage induction motor is

For DBS TV transmission the downlink frequency is about

The most suitable camera tube for industrial applications is

Resolution of a 12 bit Analog to Digital converter in per cent is

The bonding forces in compound semiconductors, such as GaAs, arise from

A optical frequencies, the major contribution to the total polarization comes from

In the matrix equation Px = q, which of the following is a necessary condition for the existence of at least one solution for the unknown vector x.

The effect of stray magnetic fields on the actuating torque of a portable instrument is maximum when the operating field of the instrument and the stray fields are

The average age of 22 players and their coach is 25 years. When the coach’s age is excluded, the average age decreases by 2 year. The age of coach is ?

The extent of grain growth largely depends on – ?

Which is not part of thermodynamic processes ? 

Directions: Select the word/phrase that is antonymous to the word given in bold letters.
HAVEN

Starting from the point X, Jayant walked 15 m towards West. He turned left and walked 20 m. He then turned left and walked 15 m. After this he turned to his right and walked 12 m. How far and in which directions is now Jayant from X ?

In the following question, find the odd one from the given alternatives.
Rann of Kutch
Thar
Ladakh
Sundarbans

If W = 23; WILL = 56, then WATCH =?

Which country will host the 2023 Cricket World Cup ?

Which of the following river cuts or crosses the Equator twice?

Find the missing term in the following series.
10, 15, 25, 40, __

Directions: In the following question, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern in the given series.
2, 7, 24, 77, ___

Pro Kabaddi League 2015 title was won by :

Directions  : In the following question, out of the four alternatives, choose the one which best expresses the meaning of the given word.

Economical

Three wheels make 60, 36 and 24 revolutions per minute. Each has a red spot on its rim, which is at the lowest position at time zero. The red spot will all be at this position again after :

Isothermal Compressibility of an ideal gas is :

When the tendency of a diesel engine to knock increases ?

A man stands on weighing scale in a lift which carries him upwards with acceleration. The reading on the weighing scale will be ?

Which of the following instruments is used to measure flow on the application of Bernoulli’s theorem:

The velocity potential function ϕ satisfy the Laplace equation:

δ²ϕ/δx²+δ²ϕ/δy²+δ²ϕ/δz²=0 Then the flow is ?

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.
The teacher said to the students, “Narendra Modi is the PM of India”.

Choose the appropriate options to complete the sentence in passive or active form:

New methods of dating ancient footprints show that the first Americans — there at least 25,000 years earlier than thought.

My younger sister says, “I do not tell a lie”. -(Direct and Indirect Speech)

I was facing East from where I turned to my left and walked 12 ft., then I turned towards right and walked 6 ft, after that I walked 6 ft. In South direction at and then I walked 6 ft. in the West. Then in which direction I am standing from original point?

If the moment on a beam is increased three times, then to keep the stress in the beam same, the sectional modulus should be:

find the number, difference between number and its 3/5 is 50.

Under service loads the crack width in concrete should not exceed under mild exposure as per IS 456 is:

The simple interest obtained when a sum of money is invested for 4 yr at 18% per annum is Rs. 427 more than the simple interest obtained if the same sum of money is invested for 2 yr at 22% per annum. What is the amount obtained when the same sum of money is invested for 4 yr at 18% per annum?

A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series?
NOA, PQB, ? , TUD

A forward biased PN junction has a resistance of the :

AND gate act as a :

Metacentre is the point of intersection of

The difference between length and breadth of a rectangle is 17 m and the perimeter is 106m. Find the area of rectangle.

Moment of Inertia for a circular section has 20 cm diameter, is:

Which of the following is a renewable resource ?

Which of the following cities in India is considered greenest ?

The Idukki hydroelectric plant is on river :

The average age of a husband and wife who were married 6 years ago was 20 years then. The average age of the family including the husband, the wife and the child which was born during the interval is 18 years now. How old is the child now ?

If the value of A is 3, that of B its square, that of C the square of B’s value and so on, what is the value of D ?

If ‘ACTOR’ is coded as ‘ZXGLI’ and ‘BOOK’ is coded as ‘YLLP’, then ‘PENCIL’ will be coded as :

A power system consist of 300 buses out of which 20 buses are generator bus, 25 buses are ones with reactive power support and 15 buses are the ones with fixed shunt capacitors. All the other buses are load buses. It is proposed to perform a load flow analysis in the system using Newton-Raphson method. The size of the Newton-Raphson Jacobi-an matrix is

National Sample Survey Office (NSSO) survey released literacy rate report in July, 2015. What was the percent in rural areas and in urban areas?

What is the capital of United States of America?

Which of the following panels was related to Swachh Bharat Abhiyan?

First American President to visit India is

Which country will host the 2023 Cricket World Cup?

Who is known as the ‘Grand Old Man of India’?

Which of the following footballers has won the 2016 FIFA Ballon D’or Award ?

Union Government appointed four brand Ambassadors for Digital India Program recently. Who among these is an author and ethical hacker :

Hiuen Tsang visited India during the reign of

What is the currency of Turkmenistan?

The Largest Continent (by Area) of the World is __________.

Under whose rule was the first rupee coin minted in India?

Which of the following state will host the ‘Largest B2B Travel Event-KITE’ in the country from 28th February?

Pro Kabaddi League 2015 title was won by :

Which is the most powerful language according to the 2016 World Power Language Index (PLI)?

Who among the following won the 2017 Nobel Memorial Prize in Economic Sciences?

India has been ranked at 177th among 180 countries in the 2018 Environmental Performance Index. The Index has been released by which of the following institute/organization?

Which State has the highest population in India?

Sun Temple’ is situated in the state of ________ .

Who among the following has received the Mother Teresa Memorial Award 2017 for Social Justice?

Which Governor General initiated the introduction of English language in India?

Which of the following Valleys is known as “Paradise of Earth”?

Which one of the following countries has no mineral deposits ?

Who has won 2016 Women’s double Toray Pan Pacific Open Tennis trophy?

Pakal dul dam is located in which state?

Which state government for the first time in 27 years, has on its own extended the Armed Forces (Special Powers) Act for 6 months?

Who was the chief guest at the Republic Day celebrations in 2015?

Which state has launched ‘Tourist Mitra,’ the tourist-friendly police force ?

Non-Resident Indians (NRI) day is observed on which of the following dates ?

The International Youth Sailing Competition-2017 has been hosted by which of the following port of India?

In the following question, one part of the sentence may have an error. Find out which part of the sentence has an error and click the button corresponding to it. If the sentence is free from error, click the “No error” option.
Your contribution would be (A)/ properly acknowledged of once (B)/ the donations are received. (C)/ No error (D)

In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word.

In the question given below a sentence is broken into FOUR parts. Join these parts to make a meaningful sentence.The correct order of parts is the answer.
1. As we rarely get tip offs
2. From student’s community
3. It is hard to nab
4. Drug peddlers in the campus

In the following question, a party of the sentence is printed in bold. Below are given alternatives to the bold part at (A), (B) and (C) which may improve the sentence. Choose the correct alternative. In case no improvement is needed, your answer is ‘(D)’.
Being too costly for him, he could not buy the coat.

Fill in the blank with the correct word.
The lady was shouting _____ her husband for quite a long time.

The sentence have been given in active voice. From the given alternatives, choose the one which best expresses the given sentence in passive voice.
A lion does not eat grass, however, hungry he may be.

The rate of ___________ has been fluctuating wildly this week.

Fill in the blank with the correct word.
The direction of cause and effect between little sleep and diabetes _____ uncertain.

In the following question, a sentence is given with a blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.
Don’t count your chickens before they ____.

Fill the sentence with appropriate preposition.
You can surely count ………….. me.

Fill in the blank with the correct word.
They concluded that the brains of sleep-deprived subjects were ______ differently.

In the following question, a sentence is given with a blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.
A book is a book, _________ there is nothing in it.

Choose the word or phrase which is nearest in meaning to given word.
Propitious

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.
The teacher said to the students, “Narendra Modi is the PM of India”.

Choose the appropriate options to complete the sentence in passive or active form:

New methods of dating ancient footprints show that the first Americans — there at least 25,000 years earlier than thought.

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the Idiom/ Phrase.

To be the apple of someone’s eye

My younger sister says, “I do not tell a lie”. -(Direct and Indirect Speech)

Amit and Bella can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days Bella had to leave and Amit alone completed the remaining work. The whole work was completed in:

Select related words/letters/numbers from given alternatives.

TAP : PAT :: DAM : ?

Look at this series: 53, 53, 40, 40, 27, 27, … What number should come
next?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

3, 10, 29, 66, 127,?

Which number will come next in place of ( _ _ _ ) in the given series ?
3, 20, 63, 144, 275, ( _ _ _ )

If in a certain code, TUQHA is written as UYZXZ, which word would be written as LCBGA?

In a class, the ratio of boys to girls is 4:5. Half of the boys and half of the girls participated in the youth festival. 1/6, ie, 30 of the total student population participated in the NCC camp. What is the number of girl students in the class ?

If in a certain code, KQATF is written as NKJHU, which word would be written as PPHYB?

In each of the following questions find out the alternative which will replace
the question mark and complete sentence.

MEDICINE : DOSE ::

If it was Monday on 14th February of 2004, what was the day on 1st January of the same year?