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Railway Exam

Railway Exam

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R

Ravi Shankar 30 Sep in  Railway Exam classes

Which Indian private firm recently got license from DRDO to manufacture Lakshya for India’s military?

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Vedanta replied | 12 Oct

Larsen & Tubro

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Answer

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S

Saritha A.k 30 Sep in  Railway Exam classes

What is the average value of first 15 natural numbers?

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M

Mahto replied | 25 Nov

8.

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Anup replied | 27 Nov

Avg of N number with a distinct relationship between them is always:-
(Sum of 1st and last number )/2.
In this case (1+15)/2 =16/2 =8.

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Answer

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S

Sudha 30 Sep in  Railway Exam classes

What VBA stand for?

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Vedanta replied | 12 Oct

VBA stands for Visual Basic for Applications.
It is the programming language used in MS Office, AutoCAD etc.

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M

Mahto replied | 25 Nov

Visual Basic For Applications.

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Answer

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A

Abhishek 30 Sep in  Railway Exam classes

Which state government of India banned the sale of aspirin and ibuprofen without prescription recently?

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Vedanta replied | 12 Oct

New Delhi Govt

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Answer

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P

Piyush 30 Sep in  Railway Exam classes

In which district of Madhya pradesh the Vindhyanchal Super Thermal Power Station is located?

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Vedanta replied | 12 Oct

Singrauli

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Answer

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N

Navneet 30 Sep in  Railway Exam classes

What does DRDO stand for?

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Vedanta replied | 12 Oct

Defense Research And Development Organisation

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Answer

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M

Mohit 30 Sep in  Railway Exam classes

Who is the CEO of Google?

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Challenge replied | 27 Oct

Sundar Pichai is the CEO of Google

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Answer

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R

Ruptanu 30 Sep in  Railway Exam classes

Define LED?

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Tecgate replied | 10 Oct

light emiting diode

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Answer

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G

Gagandeep 30 Sep in  Railway Exam classes

What is Wheatstone Bridge?

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Vidushi replied | 02 Oct

a simple circuit for measuring an unknown resistance by connecting it so as to form a quadrilateral with three known resistances and applying a voltage between a pair of opposite corners.

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Answer

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P

Pehal 30 Sep in  Railway Exam classes

Define voltmeter?

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Vedanta replied | 12 Oct

Device used for measuring potential difference in Volts

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Answer

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R

Ritu 30 Sep in  Railway Exam classes

What is the difference between Resistance and Resistor?

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Vidushi replied | 02 Oct

In physics and electrical engineering, resistance is defined as the ratio of the potential difference across the terminals of an element to the electrical current passing through it.
The above definition is mathematically expressed as R = V/I, where R is the resistance.
Hence the difference between Resistance and Resistor?
The resistance is a property of a material...  more»
In physics and electrical engineering, resistance is defined as the ratio of the potential difference across the terminals of an element to the electrical current passing through it.
The above definition is mathematically expressed as R = V/I, where R is the resistance.
Hence the difference between Resistance and Resistor?
The resistance is a property of a material to oppose the flow of electric current.
AND
The resistor is an electrical circuit component with a fixed resistance value that used to control current through the element or the potential difference across the element. «less

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Answer

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M

Mahesh 30 Sep in  Railway Exam classes

Define Laplace Transform?

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Brain Hub replied | 27 Oct

In mathematics the Laplace transform is an integral transform named after its discoverer Pierre-Simon Laplace . It takes a function of a positive real variable t (often time) to a function of a complex variable s (frequency). The Laplace transform is very similar to the Fourier transform.

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Answer

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R

Rituparna 30 Sep in  Railway Exam classes

What is Harmonic expression?

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Vidushi replied | 02 Oct

1, , 1/3,
Observe the denominators of each term in the sequence. Try to get the reciprocals. They form a sequence whose reciprocals form an arithmetic sequence is called a harmonic sequence.
Example1:
1, , 1/3, The reciprocal form an arithmetic sequence
In the harmonic sequence 2/3, , 2/5, 1/3, 2/7
We can say that is the harmonic...  more»
1, ½, 1/3, ¼…
Observe the denominators of each term in the sequence. Try to get the reciprocals. They form a sequence whose reciprocals form an arithmetic sequence is called a harmonic sequence.
Example1:
1, ½, 1/3, ¼… The reciprocal form an arithmetic sequence
In the harmonic sequence 2/3, ½, 2/5, 1/3, 2/7…
We can say that ½ is the harmonic means between 2/3 and 2/5; ½, 2/5 and 1/3 are the harmonic between 2/3 and 2/7.

2/3+1/2+2/5+… is a harmonic series or harmonic expression. «less

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Answer

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B

Bonita 30 Sep in  Railway Exam classes

What is the minimum hearing capacity of a human being?

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Tecgate replied | 10 Oct

20hz-20khz

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Answer

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P

Priyanka 30 Sep in  Railway Exam classes

Define BJT?

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Tecgate replied | 10 Oct

bipolar junction transistor

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Answer

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B

Balakumar 30 Sep in  Railway Exam classes

Define n-p-n transistor?

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Tecgate replied | 10 Oct

semiconductor doping with ntype-ptype-ntype,

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Answer

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P

Prakash 30 Sep in  Railway Exam classes

What is the purpose of using NAND gate?\

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Tecgate replied | 10 Oct

to get output except the condition which the inputs are high

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Answer

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J

Jacob 30 Sep in  Railway Exam classes

What is DAC?

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Tecgate replied | 10 Oct

digital to analog converter

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Answer

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A

Arvind 30 Sep in  Railway Exam classes

What is feedback control system?

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Tecgate replied | 10 Oct

the system having corrective measure to get desired output by comparing output with the reference

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Answer

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T

Twinkle 30 Sep in  Railway Exam classes

Who is our present Railway minister?

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Answer

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J

Jitendra 30 Sep in  Railway Exam classes

What is formula of Compound Interest?

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Answer

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R

Rema 30 Sep in  Railway Exam classes

Pooja,kripa,Sweety are three sisters. Pooja and Kripa are twins.The ratio of sum of the ages of Pooja and Kripa is same as that of Sweety alone. Three years earlier the ratio of age of Pooja and Sweety was 3:6.What will be the age of Kripa 3 years hence?

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Answer

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S

Shreeya 30 Sep in  Railway Exam classes

A rectangular lawn 60 * 40 m has two road each 5 m wide running in the middle of it, one parallel to length and the other parallel to breadth. What is the cost of gravelling the roads at 80 paise per sq. m?

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Answer

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V

Vivek 30 Sep in  Railway Exam classes

Five years ago, the Father’s age was three times the age of his son. The total of the ages of the father and the son after four years, will be 64 years. What is the father’s age at present?

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Answer

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O

Orange 30 Sep in  Railway Exam classes

What is the national game of USA?

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Answer

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