DMRC Electrical Engineering Paper-1 2014

For the following questions answer them individually

Recently, the plan to build the world most powerful and largest telescope ‘ATLAST’ to analyse the environment of other planets and to track the existence of aliens life, was unveiled. This is planned by:

India’s first ‘one stop crisis centre’ for women who are victims of violence named ‘Gauravi’ was launched recently by ………… in …………?

Who will have its leader elected as leader of opposition and given the status & facilities to the rank of cabinet ministers?

Which one of the following is most likely to occur if the Reserve bank of India lowers the Cash Reserve Ratio?

The Reports of the comptroller and auditor General of India relating to the accounts of the Union shall be submitted to:

If the $$a_{th}$$ a part of 49 is 7 and $$b_{th}$$ b part of 63 is 9 and $$c_{th}$$ c part of 112 is 16. Then which of the following is true:

Five persons are standing in a queue. One of the two person at the extreme end is a professor and the other is a businessman. An advocate is standing to the right of the student. An author is to the left of the businessman. The student is standing between the professor and the advocate. Counting from the left the author is at which place:

One acute angle of a right angled triangle is double the other. If the length of its hypotenuse is 10 cm, then its area is :

The average age of the boys in class of 30 boys is 14.5 years. What will be the average age if 10 new boys come whose average is 15.2 years, and joins them?

There are some girls and buffalos at a place. If total number of heads is 15 and total number of legs is 46, then how many girls and how many buffalos are there?

Among five friends - Brijesh, Feroz, Jai, Kamal and Vinod each having a different weight. Feroz is heavier than only Jai. Brijesh is heavier than Feroj and Vinod but not as heavy as Kamal. Who is the third heaviest among them?

In a certain code language -
i. ‘Cod dex nom’ stands for ‘banana is sweet’
ii. ‘Zip dex nux’ stands for ‘apple is good’
iii. ‘Cod nux elp’ stands for ‘banana and apple’ and
iv. ‘pa reb nom’ stands for’ oranges are sweet’.

For the following questions answer them individually

If in a certain code language ‘BALE’ is written as ‘+ ÷ & ×’ and ‘SKIP’ is written as How is ‘LIFE’ written in that code?

In a three-phase induction motor, the rotor field runs at the following speed with respect to the stator structure:

V/f is maintained constant in the following case of speed control of induction motor:

The voltage regulation of a transformer at full load 0.9 p.f. lagging is 5%. For a full load at 0.9 p.f. leading, it will :

For which of the following pair of machines, the stator and its winding can be of the same type:

For increasing the range of voltmeter, one should connect a:

To conduct Sumpners test on a transformer:

A DC shunt motor is running at 1200 rpm, when excited with 220V dc. Neglecting the losses and saturation, the speed of the motor when connected to a 175 V supply is:

A single-phase ac regulator is used to convert:

In a 3-phase voltage source inverter used for speed control of induction motor, anti-parallel diodes are used across each switching device. The main purpose of diodes is to:

A 3-phase synchronous motor, connected to infinite bus, is operating at no load at normal excitation. The field excitation of the motor is first decreased to zero and
then increased in the reverse direction. The armature current of the synchronous motor will:

If a resistance is inserted in the rotor circuit of a slip ring induction motor, then compared to direct line starting:

Starting torque can be obtained in the case of a single phase induction motor with identical main and auxiliary windings by connecting:

Armature shunting method of speed control of dc shunt motor is preferred over armature resistance method due to:

In a junction transistor, the doping level of collector region is:

Which of the statements about the force between two charge is true?

Carbon brushes are used in electric motors to:

One advantage of transformer coupling in transistor amplifier is that:

The following statements associated with Buchholtz relays is not true.

Electrical fault between two windings of same phase of a generator having double star winding can be detected by the following protection in a generator:

Which of the following combination of 3 - phase transformers can be successfully operated in parallel:

Negative feed back :

Three phase step-up transformer installed at power house, just before commencement of transmission line, have:

In a thyristor, the magnitude of anode current will:

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