Courses

# RRB ALP & Technician Practice Test - 11

## 100 Questions MCQ Test RRB ALP & Technician Exam (Group C ) - Mock Tests | RRB ALP & Technician Practice Test - 11

Description
This mock test of RRB ALP & Technician Practice Test - 11 for Railways helps you for every Railways entrance exam. This contains 100 Multiple Choice Questions for Railways RRB ALP & Technician Practice Test - 11 (mcq) to study with solutions a complete question bank. The solved questions answers in this RRB ALP & Technician Practice Test - 11 quiz give you a good mix of easy questions and tough questions. Railways students definitely take this RRB ALP & Technician Practice Test - 11 exercise for a better result in the exam. You can find other RRB ALP & Technician Practice Test - 11 extra questions, long questions & short questions for Railways on EduRev as well by searching above.
QUESTION: 1

Solution:
QUESTION: 2

Solution:
QUESTION: 3

### ABC is a tringle whose centroid is G. If A is (-3, 1) B is (2, b), C is (a, -4) and G is (1, -1) then find 'a' and 'b'.

Solution:
QUESTION: 4

An angle is equal to 3π/5 radians. What is its measure in degrees?

Solution:
QUESTION: 5

The equation of a straight line is 2x-3y+2 = 0. What is its slope?

Solution:
QUESTION: 6

Find the range of values of x, which satisfy the inequality- Solution:
QUESTION: 7

Read the law given below and identify the same:The mass on any substance liberated from an electrolyte is directly proportionalto the quantity of charge passing through the solution.

Solution:
QUESTION: 8

The value of Avogadro's constant is-

Solution:
QUESTION: 9

In an experiment, 295 mg of copper is deposited when a current of 500 mA passes for 30 minutes. Find the electrochemical equivalent of copper-

Solution:
QUESTION: 10

Which one of the following is the correct unit of angular velocity?

Solution:
QUESTION: 11

The force by which a body is attracted towards the centre of the earth is called-

Solution:
QUESTION: 12

The maximum displacement of a vibrating body from its mean position is called-

Solution:
QUESTION: 13

The kinetic energy of a body depends upon-

Solution:
QUESTION: 14

A ball weighing 25 grams is thrown vertically into the air. It takes 15 seconds toreach its highest point. How much time would it take to reach the ground fromits highest point?

Solution:
QUESTION: 15

The term 'Squirrel Cage' is associated with

Solution:
QUESTION: 16

The phenomenon of increase in the temperature of the earth's atmosphare due toabsorption of the infra-red radiations reflected from the earth's surface is called-

Solution:
QUESTION: 17

Why is it recommended that people should not use charcoal or gas stoves inclosed rooms?

Solution:
QUESTION: 18

The most effective way to improve safety in a vast organisation like the IndianRailways is to

Solution:
QUESTION: 19

The density of water is maximum at

Solution:
QUESTION: 20

Which one of the following quantities does not have a unit?

Solution:
QUESTION: 21

A Swimmer finds it easier to swim in sea water than in plain water. Why?

Solution:
QUESTION: 22

Humidity refers to-

Solution:
QUESTION: 23

Boyle's law states that-

Solution:
QUESTION: 24

Purity of milk is confirmed by-

Solution:
QUESTION: 25

A stick is dipped in a vessel containing water. It appears bent due to theproperty of-

Solution:
QUESTION: 26

The temperature on the surface of the sun is about-

Solution:
QUESTION: 27

The planet farthest from the Sun is-

Solution:
QUESTION: 28

Which one of the following is measured on the 'RICHTER SCALE'?

Solution:
QUESTION: 29

As a train approaches us, the frequency or shrillness of its whistle increases. Thisphenomenon is explained by-

Solution:
QUESTION: 30

The load on a spring per unit deflection is called-

Solution:
QUESTION: 31

31. The term acceleration means-

Solution:
QUESTION: 32

A body of mass 10 kg accelerates from rest at the rate of 3 m/sec2. What distancewould the body travel in 10 seconds?

Solution:
QUESTION: 33

The efficiency of a heat engine is 40%. If 10,000 joules of heat energy aresupplied to it, then the useful work done by the engine would be-

Solution:
QUESTION: 34

A gas is allowed to expand at constant temperature from an initial volume of 10ml to a final volume of 300 ml. At the end of the expansion, the pressure of thegas was found to be 1 atmosphere. What was the initial pressure of the gas?

Solution:
QUESTION: 35

There are three non-collinear points. How many circles can be drawn passingthrough them?

Solution:
QUESTION: 36

What do you understand by the term 'Absolute Pressure'?

Solution:
QUESTION: 37

Directions (Qs. 37 to 39): Study the folloiwng number sequence to answer thesequestions.

5 1 4 7 3 9 8 5 7 2 6 3 1 5 8 6 3 8 5 2 2 4 3 4 9 637.

Q. How many odd numbers in the above sequence are immediately followed by anodd number?

Solution:
QUESTION: 38

Study the folloiwng number sequence to answer thesequestions.

5 1 4 7 3 9 8 5 7 2 6 3 1 5 8 6 3 8 5 2 2 4 3 4 9 637.38.

Q. How many even numbers are there in the sequence which are immediatelypreceded by an odd number but immediately followed by an even number?

Solution:
QUESTION: 39

Study the folloiwng number sequence to answer thesequestions.

5 1 4 7 3 9 8 5 7 2 6 3 1 5 8 6 3 8 5 2 2 4 3 4 9 637.38.

Q. 39. How many odd numbers are there in the sequence which are immediately preceded and also immediately followed by an even number-

Solution:
QUESTION: 40

Study the following number sequence-

5 9 8 1 3 2 7 4 3 8

If the first and the second digits in the sequence are interchanged, also the thirdand fourth digits, the fifth and sixth digits, and so on, then which digit would bethe seventh counting to your left?

Solution:
QUESTION: 41

If the numbers from 1 to 45 which are exactly divisible by 3 are arranged in anascending order, minimum number being kept frist, then which number wouldcome at the ninth place from the first?

Solution:
QUESTION: 42

Find the value of-

8.55 × 8.55 - 2 × 8.55 × 3.55 + 3.55 × 3.55

Solution:
QUESTION: 43

A husband and wife have six married sons and each of them has four children.The total number of members in the family is-

Solution:
QUESTION: 44

Directions (Qs. 44 to 46): In each of the letter series given in these questions, someof the letters are missing. The missing letters are given in that order as one of thealterntives below it. Choose the correct alternative.

Q.  ba-b-aab-a-b

Solution:
QUESTION: 45

The missing letters are given in that order as one of thealterntives below it. Choose the correct alternative.

Q.  mnonopqopqrs -----

Solution:
QUESTION: 46

The missing letters are given in that order as one of thealterntives below it. Choose the correct alternative.

Q. c-bba-cab-ac-ab-ac

Solution:
QUESTION: 47 Solution:
QUESTION: 48

Directions (Qs. 48 & 49): Study the information given below to answer thesequestions:

On a playground, Dinesh, Kunal, Nitin, Atul and Prashant are standing asdescribed below facing the North.

i. Kunal is 40 metres to the right of Atul
ii. Dinesh is 60 metres to the South of Kunal
iii. Nitin is 25 metres to the West of Atul
iv. Prashant is 100 metres to the North of Dinesh

Q. Who is to the North-east of the person who is to the left of Kunal?

Solution:
QUESTION: 49

On a playground, Dinesh, Kunal, Nitin, Atul and Prashant are standing asdescribed below facing the North.

i. Kunal is 40 metres to the right of Atul
ii. Dinesh is 60 metres to the South of Kunal
iii. Nitin is 25 metres to the West of Atul
iv. Prashant is 100 metres to the North of Dinesh

Q. . If a boy walks from Nitin, meets Atul, followed by Kunal, Dinesh and Prashant, then how many metres has he walked if he travelled the straight distance all through?

Solution:
QUESTION: 50

Roshan is taller than Rahul who is shorter than Sushil. Mirza is taller than Harrybut shorter than Rahul. Sushil is shorter than Roshan. Who is the tallest?

Solution:
QUESTION: 51

Roshan is taller than Rahul who is shorter than Sushil. Mirza is taller than Harrybut shorter than Rahul. Sushil is shorter than Roshan. Who is the shortest?

Solution:
QUESTION: 52

Which one of the following causes of environmental pollution cannot be attributedto human beings?

Solution:
QUESTION: 53

Which one of the following gases is manly responsible for the GREENHOUSEEFFECT?

Solution:
QUESTION: 54

Which one of the following is a major constituent of petrol?

Solution:
QUESTION: 55

Which one of the following is a widely used solid lubricant?

Solution:
QUESTION: 56

The world TSUNAMI is derived from which of the following languages?

Solution:
QUESTION: 57

A major nuclear power plant, located in one of the countries affected by TSUNAMI, escaped damage. Where is it located?

Solution:
QUESTION: 58

A major cricket ground was severely damanged by the rescent TSUNAMI.Where is it locted?

Solution:
QUESTION: 59

The sound waves in the audible range have frequencies in the range of-

Solution:
QUESTION: 60

Which of the following being used for applicationis such as assessing depth ofoceans, thickness measurement, determination of the position of icebergs, flawdetection in metals, etc?

Solution:
QUESTION: 61

The isotopes of an element are characterised by which of the following?

Solution:
QUESTION: 62

How do you understand by the term 'Binding Energy'?

Solution:
QUESTION: 63

Which of the following statements in wrong?

Solution:
QUESTION: 64

Arrange the following materials in the order of decreasing conductivity:Silicon, Glass, Aluminium, Silver

Solution:
QUESTION: 65

If a barometer carries water instead of mercury, then the height of the column fora pressure equivalent to 75 cm of mercury would be-

Solution:
QUESTION: 66

The term EURO-II in the context of modern cars refers to-

Solution:
QUESTION: 67

What is the ultimate benefit of good communication in a vast organisation likethe Indian Railways?

Solution:
QUESTION: 68

What is the term AGMARK used for?

Solution:
QUESTION: 69

The standard used in India for certifying the quality of Industrial goods is-

Solution:
QUESTION: 70

An electric heater of 1 kW rating is used to heat water everday for 2 hours. In 10days, it will consume-

Solution:
QUESTION: 71

Ozone is a gas having ...... atoms of Oxgen in its molecules.

Solution:
QUESTION: 72

A Family consumes 14.5 Kg Of LPG in 29 days. The calorific value of LPG is55 Kl/ gm. the average energy consumed per day is-

Solution:
QUESTION: 73

The chemical formula of natural gas is-

Solution:
QUESTION: 74

The percentage of carbon in one molecule of carbon dioxide is approximately-

Solution:
QUESTION: 75

The term 'Cracking' in the context of organic molecules is-

Solution:
QUESTION: 76

In a nuclear power station, which one of the following is commonly used as a fuelfor producing heat?

Solution:
QUESTION: 77

Fission of one nucleus releases 3.2 × 10-11 Joules energy. The number of fissionsrequired to produce energy at the rate of 10 MW for 10 hours is-

Solution:
QUESTION: 78

A stove consumes 1 gram of kerosene in 48 seconds. if the calorific value ofkerosene is 48 KJ / gm, then the power of consumption of the stove in kW is-

Solution:
QUESTION: 79

If acceleration due to gravity is 10 m/ sec2, then the potential energy of a bodyof mass 1 kg kept at a height of 5 metres is-

Solution:
QUESTION: 80

Aboat weighing 200 kg floats on water. The weight of water displaced would be-

Solution:
QUESTION: 81

An iron spherical ball having an external volume of 10 cu cm is dipped in abeaker containing water of specific gravity 1 gm/ cu cm. The weight of the ballwould be reduced by-

Solution:
QUESTION: 82

Archimedes Principle is related to-

Solution:
QUESTION: 83

The commonly used washing soda is-

Solution:
QUESTION: 84

The chemical formula of 'plaster of paris' is-

Solution:
QUESTION: 85

A sanitary worker uses a white substanced to clean water tanks. The substancehas a strong smell of chlorine. The substance is-

Solution:
QUESTION: 86

A person bakes a cake. It turns out to be hard and small in size. Whichingredient has he forgotten to add that would have caused the cake to rise andbecome light?

Solution:
QUESTION: 87

A White chemical compound becomes hard on mixing proper quantity of water.It is also used in surgery to repair fractured bones. What is it?

Solution:
QUESTION: 88

Brass has which of the following compositions?

Solution:
QUESTION: 89

Broneze has which of the following compositions?

Solution:
QUESTION: 90

Solder has which of the follwing compositions?

Solution:
QUESTION: 91

Galvansation is the process of-

Solution:
QUESTION: 92

German silver has which of the following compositions?

Solution:
QUESTION: 93

The symbol of Magnesium is Mg. What does Mg2+ mean?

Solution:
QUESTION: 94

When Sodium (Na), Copper (Cu) and Zinc (Zn) are placed in the order of decreasing reactivity, then their order would be-

Solution:
QUESTION: 95

Which of the following metals is more reactive than Hydrogen?

Solution:
QUESTION: 96

Which of the following metals can displace Hydrogen from its compounds likewater and acids to form hydrogen gas?

Solution:
QUESTION: 97

The approximate percentage of salt by weight in sea water is-

Solution:
QUESTION: 98

The common salt is iodised to prevent occurence of which of the followingdiseases in the human body?

Solution:
QUESTION: 99

Awire of a certain length has a resistance of 2.2Ω. If the wire is stretched to twiceits original length, then find the new resistence.

Solution:
QUESTION: 100

In the above circuit, the effective resitance between the points A and B is- Solution: