RRB ALP & Technician Practice Test - 4


100 Questions MCQ Test RRB ALP & Technician Exam (Group C ) - Mock Tests | RRB ALP & Technician Practice Test - 4


Description
This mock test of RRB ALP & Technician Practice Test - 4 for Railways helps you for every Railways entrance exam. This contains 100 Multiple Choice Questions for Railways RRB ALP & Technician Practice Test - 4 (mcq) to study with solutions a complete question bank. The solved questions answers in this RRB ALP & Technician Practice Test - 4 quiz give you a good mix of easy questions and tough questions. Railways students definitely take this RRB ALP & Technician Practice Test - 4 exercise for a better result in the exam. You can find other RRB ALP & Technician Practice Test - 4 extra questions, long questions & short questions for Railways on EduRev as well by searching above.
QUESTION: 1

A liquid drop breaks into number of droplets. Its surface energy?

Solution:
QUESTION: 2

Dialing a telephone number an old man forgets the last two digits remembering only that these are different and dials them at random. The probability that the number dialed correctly is

Solution:
QUESTION: 3

The main constituent of Marsh gas is

Solution:
QUESTION: 4

 'A' city is 5 km, east of 'B' city. 'C' city is 10 km. Southeast to city 'B'. Which of the following is the closest to the distance from city 'A' to city 'C'?

Solution:
QUESTION: 5

The voltage gain of a triode depends on

Solution:
QUESTION: 6

The shaded region in the given figure is

Solution:
QUESTION: 7

Catalyst used in Friedel crafts reaction is

Solution:
QUESTION: 8

Pick the odd man out

Solution:
QUESTION: 9

A geo-stationary satellite revolves round the earth from

Solution:
QUESTION: 10

124. If dy/dx = e - 2y and y = 0 when x = 5, then the value of x when y = 3 is:

Solution:
QUESTION: 11

The Asian Games, 2002 were held in:

Solution:
QUESTION: 12

Which of the options below fits into the empty space?

Solution:
QUESTION: 13

Two charged particles seperated by a distance 'y' attract each other with a force of 'x'. What will be the attraction if the distance is increased to 5y ?

Solution:
QUESTION: 14

The (n+1)th and higher order differences of a polynomial of nth degree are:

Solution:
QUESTION: 15

What was the Day of week on 1947 August 15?

Solution:
QUESTION: 16

Which is the odd man out?

Solution:
QUESTION: 17

Which of the following has no multiple bond?

Solution:
QUESTION: 18

The most appropriate material for a cooking pot is the one having

Solution:
QUESTION: 19

The first Indian to win the Nobel Prize was

Solution:
QUESTION: 20

Insert the missing number- 8 12 10 16 12 ...

Solution:
QUESTION: 21

An example of an alicyclic compound is

Solution:
QUESTION: 22

 In a room fitted with green bulb a red cloth will appear to be

Solution:
QUESTION: 23

Heathrow airport is in

Solution:
QUESTION: 24

If f(x, y, z) = 0 then 

Solution:
QUESTION: 25

Aqueous solution of CuSO4 changes blue litmus to red due to

Solution:
QUESTION: 26

X -Ray consist of stream of

Solution:
QUESTION: 27

 The longest river in the world is

Solution:
QUESTION: 28

If the matrix 

Solution:
QUESTION: 29

Of the following, an amphoteric hydroxide is

Solution:
QUESTION: 30

The density of water is maximum at

Solution:
QUESTION: 31

 Santoor is a

Solution:
QUESTION: 32

A random variable has the following point distribution

Solution:
QUESTION: 33

The element which exhibits variable valency is

Solution:
QUESTION: 34

The value of the absolute zero on the Fahrenheit scale is

Solution:
QUESTION: 35

Photosynthesis is a process related to

Solution:
QUESTION: 36

 A group of 10 items has mean 6. If the mean of 4 of these items is 7.5, then the mean of the remaining items are:

Solution:
QUESTION: 37

Aromatic primary amine when treated with cold HNO 2 gives

Solution:
QUESTION: 38

The temperature at which the speed of sound in air becomes double of its value at 0 °C is

Solution:
QUESTION: 39

There are 4 dancers, 4 musicians, 1 actress and 3 singers in a group of 6 women. G and V are among the singers, S and T are among the dancers, while J and S are not singers. P is the actress, 'J, V, S and T are all musicians and 2 of them are also singers. Who is both a dancer and a singer?

Solution:
QUESTION: 40

 If a < b, then - 

Solution:
QUESTION: 41

Which of the following is used as refrigerant?

Solution:
QUESTION: 42

Lenz's Law is a consequence of the law of conservation of

Solution:
QUESTION: 43

 What number fills the blanks in the series below ? 3, 8, 22, 63, 185, ....

Solution:
QUESTION: 44

The angle between the two planes 3x-4x+5z = 0 and 2x-y-2z = 5 is

Solution:
QUESTION: 45

The "Wright Brothers" credited with invention of aeroplane were

Solution:
QUESTION: 46

The number of unpaired electrons in Chromium atom is:

Solution:
QUESTION: 47

Which is the odd man out ?

Solution:
QUESTION: 48

If the product of a matrix and its transpose is a unit matrix then the matrix is called

Solution:
QUESTION: 49

The Capital of Arunachal Pradesh is

Solution:
QUESTION: 50

Pure H2O2 is

Solution:
QUESTION: 51

 Four out of the five groups of letters below are of the same type. Which is the odd group?

Solution:
QUESTION: 52

In Electroplatting that which substance on plating is to take as follow

Solution:
QUESTION: 53

 "Missionaries of Charity" was founded by

Solution:
QUESTION: 54

The cost price of an article was divided among the price of the goods, labour charges and other expenses in the ratio of 3 : 4 : 1. If the cost of the goods is Rs.22.50, what would be the cost of price of the article?

Solution:
QUESTION: 55

Monthly salary of Harish is Rs.12,850. After deducting provident fund, he gets Rs.11,822 per month. What is the pecentage of the salary that is deducted in the form of provident fund?

Solution:
QUESTION: 56

Present age of the son is the half of the present age of the mother. 10 years ago, the mother’s age was twice age of the son. What is the present age of the son?

Solution:
QUESTION: 57

A rectangular hall of 24m × 18m. Leaving a margin of 1.50m along with the four sides, a carpet is spread of the rate of Rs.23 per square metre. Find out the cost price of the carpet?

Solution:
QUESTION: 58

A man spends 1/4 of his income on food, 1/5 on rent and the rest Rs.231 on other items. Caluculate his total income?

Solution:
QUESTION: 59

A man swims 1 km in 10 minutes in the direction of current and 1 km in 30 minutes against the direction of the current. What is the speed of the current?

Solution:
QUESTION: 60

A, B, and C can do some work in 12 days, 15 days and 20 days respectively. They started to do the work jointly, but C left the work after 2 days. In how many days will the rest part of the work be completed?

Solution:
QUESTION: 61

2 k g of tea and 3 kg of sugar together costs Rs.39. The price of tea has risen by 25% and that of sugar by 20%. Hence the same quantities of tea and sugar now cost Rs.48.30. Find the original price of tea per kg.

Solution:
QUESTION: 62

The ratio of acetylene to oxyzen is approximately ...... for a neutral flame used in gas welding

Solution:
QUESTION: 63

Among the conventional machining process maximum specific energy is consumed in

Solution:
QUESTION: 64

The gas used in welding and cutting of metals is -

Solution:
QUESTION: 65

If steel is heated bright red hot and is then cooled slowly, the process is called

Solution:
QUESTION: 66

An alloy of copper and zinc is called as

Solution:
QUESTION: 67

Temporary hardness of water is due to the presence of

Solution:
QUESTION: 68

Which of the following is not a noble gas?

Solution:
QUESTION: 69

White revolution is related to the increase in production of which of the following?

Solution:
QUESTION: 70

Which of the following vitamins is soluble in water?

Solution:
QUESTION: 71

Which of the main constituent of bones and teeth?

Solution:
QUESTION: 72

In blood pressure the highest point or the upper reading is called

Solution:
QUESTION: 73

The members of which of the following have identical chemical properties?

Solution:
QUESTION: 74

To obtain Fe and FeO from Fe2O3 the reducing agent used in the upper part of blast furanace is

Solution:
QUESTION: 75

Chemical name of plaster of paris is

Solution:
QUESTION: 76

Who discovered neutron?

Solution:
QUESTION: 77

Which of the following yields blue-beads in borax test?

Solution:
QUESTION: 78

Which of the following sales does not display aqueous decomposition?

Solution:
QUESTION: 79

Stainless steel contains which of the following other than iron and carbon?

Solution:
QUESTION: 80

Temperature of a healthy normal person is

Solution:
QUESTION: 81

Which of the following id the acidic oxide?

Solution:
QUESTION: 82

Red blood corpuscles are formed in ......

Solution:
QUESTION: 83

The part of the brain, known as the place of memory is ......

Solution:
QUESTION: 84

At 290 K temperature and 100.4 KP α pressure the volume of a gas of a mass 0.160 gm is 260 c.c. What would be its vapour density?

Solution:
QUESTION: 85

 A gas cannot be liquified by exerting high pressure if it is at a temperature higher that its

Solution:
QUESTION: 86

Out of the following properties of the gas molecules, one property is identical for every gas at a particular specific temperature and that property is ......

Solution:
QUESTION: 87

In 1,120 millilitre solution of hydrogen peroxide there is 34 gm of hydrogen peroxide. Find out the volume strength of the solution

Solution:
QUESTION: 88

An atom is orbital ......

Solution:
QUESTION: 89

Raja Rammohan Roy was founder of which one of the following societies?

Solution:
QUESTION: 90

Temple of ellora was built by which of the following?

Solution:
QUESTION: 91

Ashtang Marg was founded by

Solution:
QUESTION: 92

A Particle moves along a straight line such that its displacement at anytime is given by s = t3 - 6t2 + 3t + 4 metre The velocity when the accleration is zero ......

Solution:
QUESTION: 93

The path of the project when observed from another projectile is .....

Solution:
QUESTION: 94

A particle is projected with initial velocity υ making an angel 60 ° with the horizontal. If it reaches a height of 80 metre. Then the value of υ is 

Solution:
QUESTION: 95

When a small solid spherical ball is dropped within a liquid column then it

Solution:
QUESTION: 96

Under a constant pressure head the rate of flow of liquid through a capillary tube is V. If the length of the capillary is doubled and the diameter of the tube is halved, the rate of flow would become.

Solution:
QUESTION: 97

The angle of the prism is 60 °. The refractive index of the material of the prism is √2 . A ray is incident at an angle of 45 °. The angle made by emergent ray is ......

Solution:
QUESTION: 98

 An object is placed infront of a thin convex lens of focal length 30 cm and a plane mirror is placed 15cm behind the lens. If the final image of the object coincides with the object the distance of the object from the lens is

Solution:
QUESTION: 99

64 identical small spherical Hg drops each having energy E, combine to form a large drop. What will be the electrostatic energy of the large drop?

Solution:
QUESTION: 100

A satellite of mass m is revolving round the Earth at a height R above the surface of the Earth. If g is the gravitational field intensity at the Earth’s surface and R is the radius. The kinetic energy of the satellite is ......

Solution: