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# RRB ALP & Technician Practice Test - 8

## 100 Questions MCQ Test RRB ALP & Technician Exam (Group C ) - Mock Tests | RRB ALP & Technician Practice Test - 8

Description
This mock test of RRB ALP & Technician Practice Test - 8 for Railways helps you for every Railways entrance exam. This contains 100 Multiple Choice Questions for Railways RRB ALP & Technician Practice Test - 8 (mcq) to study with solutions a complete question bank. The solved questions answers in this RRB ALP & Technician Practice Test - 8 quiz give you a good mix of easy questions and tough questions. Railways students definitely take this RRB ALP & Technician Practice Test - 8 exercise for a better result in the exam. You can find other RRB ALP & Technician Practice Test - 8 extra questions, long questions & short questions for Railways on EduRev as well by searching above.
QUESTION: 1

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QUESTION: 2

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QUESTION: 3

### The density of water is maximum at

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QUESTION: 4

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

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QUESTION: 5

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

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QUESTION: 6

Humidity refers to

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QUESTION: 7

Boyle's law states that

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QUESTION: 8

Purity of milk is confirmed by

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QUESTION: 9

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

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QUESTION: 10

The temperature on the surface of the sun is about

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QUESTION: 11

The planet farthest from the Sun is

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QUESTION: 12

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

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QUESTION: 13

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

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QUESTION: 14

The load on a spring per unit deflection is called

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QUESTION: 15

The term acceleration means

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QUESTION: 16

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

Solution:
QUESTION: 17

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

Solution:
QUESTION: 18

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

Solution:
QUESTION: 19

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

Solution:
QUESTION: 20

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

Solution:
QUESTION: 21

Directions: Study the folloiwng number sequence to answer these questions.

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 6

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

Solution:
QUESTION: 22

Directions: Study the folloiwng number sequence to answer these questions.

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 6

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

Solution:
QUESTION: 23

Directions: Study the folloiwng number sequence to answer these questions.

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 6

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

Solution:
QUESTION: 24

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 third and fourth digits, the fifth and sixth digits, and so on, then which digit would be the seventh counting to your left?

Solution:
QUESTION: 25

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

Solution:
QUESTION: 26

Find the value of -

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

Solution:
QUESTION: 27

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: 28

Directions: In each of the letter series given in these questions, some of the letters are missing. The missing letters are given in that order as one of the alterntives below it. Choose the correct alternative.

Q. ba-b-aab-a-b

Solution:
QUESTION: 29

Directions: In each of the letter series given in these questions, some of the letters are missing. The missing letters are given in that order as one of the alterntives below it. Choose the correct alternative.

Q. mnonopqopqrs -----

Solution:
QUESTION: 30

Directions: In each of the letter series given in these questions, some of the letters are missing. The missing letters are given in that order as one of the alterntives below it. Choose the correct alternative.

Q. c-bba-cab-ac-ab-ac

Solution:
QUESTION: 31

Solution:
QUESTION: 32

Directions : Study the information given below to answer these questions:

On a playground, Dinesh, Kunal, Nitin, Atul and Prashant are standing as described 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: 33

Directions : Study the information given below to answer these questions:

On a playground, Dinesh, Kunal, Nitin, Atul and Prashant are standing as described 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: 34

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

Solution:
QUESTION: 35

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

Solution:
QUESTION: 36

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

Solution:
QUESTION: 37

Which one of the following gases is manly responsible for the GREENHOUSE EFFECT?

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QUESTION: 38

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

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QUESTION: 39

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

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QUESTION: 40

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

Solution:
QUESTION: 41

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

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QUESTION: 42

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

Solution:
QUESTION: 43

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

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QUESTION: 44

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

Solution:
QUESTION: 45

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

Solution:
QUESTION: 46

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

Solution:
QUESTION: 47

Which of the following statements in wrong?

Solution:
QUESTION: 48

Arrange the following materials in the order of decreasing conductivity:

Silicon, Glass, Aluminium, Silver

Solution:
QUESTION: 49

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

Solution:
QUESTION: 50

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

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QUESTION: 51

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

Solution:
QUESTION: 52

What is the term AGMARK used for?

Solution:
QUESTION: 53

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

Solution:
QUESTION: 54

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

Solution:
QUESTION: 55

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

Solution:
QUESTION: 56

A Family consumes 14.5 Kg Of LPG in 29 days. The calorific value of LPG is 55 Kl/ gm. the average energy consumed per day is

Solution:
QUESTION: 57

The chemical formula of natural gas is

Solution:
QUESTION: 58

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

Solution:
QUESTION: 59

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

Solution:
QUESTION: 60

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

Solution:
QUESTION: 61

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

Solution:
QUESTION: 62

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

Solution:
QUESTION: 63

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

Solution:
QUESTION: 64

A boat weighing 200 kg floats on water. The weight of water displaced would be

Solution:
QUESTION: 65

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

Solution:
QUESTION: 66

Archimedes Principle is related to

Solution:
QUESTION: 67

The commonly used washing soda is

Solution:
QUESTION: 68

The chemical formula of 'plaster of paris' is

Solution:
QUESTION: 69

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

Solution:
QUESTION: 70

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

Solution:
QUESTION: 71

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: 72

Brass has which of the following compositions?

Solution:
QUESTION: 73

Broneze has which of the following compositions?

Solution:
QUESTION: 74

Solder has which of the follwing compositions?

Solution:
QUESTION: 75

Galvansation is the process of

Solution:
QUESTION: 76

. German silver has which of the following compositions?

Solution:
QUESTION: 77

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

Solution:
QUESTION: 78

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

Solution:
QUESTION: 79

Which of the following metals is more reactive than Hydrogen?

Solution:
QUESTION: 80

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

Solution:
QUESTION: 81

The approximate percentage of salt by weight in sea water is

Solution:
QUESTION: 82

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

Solution:
QUESTION: 83

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

Solution:
QUESTION: 84

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

Solution:
QUESTION: 85

What is the value of knee voltage of silicon diode?

Solution:
QUESTION: 86

Which organisation has proposed first to constitute the Constitution Assembly to form the Indian Constitution?

Solution:
QUESTION: 87

There is 20 volt across the inductor and 15 volt across the resistance in the a.c. supplied series R-L circuit. What would be the supply voltage?

Solution:
QUESTION: 88

A transformer mainly transforms .....

Solution:
QUESTION: 89

What is the power factor of a pure resistor circuit?

Solution:
QUESTION: 90

Functions of N.S.D.L. are related to

Solution:
QUESTION: 91

There are rings around which of the following planets?

Solution:
QUESTION: 92

..... is used to heat the non-conductors.

Solution:
QUESTION: 93

What is the S.I. Unit of magnetic flux density?

Solution:
QUESTION: 94

Which type of oscillator is most stable in simple circuit?

Solution:
QUESTION: 95

Where is the headquarters of Geological Survey of India located?

Solution:
QUESTION: 96

What is the proper use of signal generator?

Solution:
QUESTION: 97

Nasik is situated on the bank of which river?

Solution:
QUESTION: 98

Who started the Shaka era?

Solution:
QUESTION: 99

If one cylinder of a diesel engine receives more fuel than the others, then for that cylinder the ......

Solution:
QUESTION: 100

The information is sent by CW transmitter by

Solution: