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Mechanical Engineering Exam  >  Mechanical Engineering Tests  >  RRB JE ME (CBT II) Mock Test- 5 - Mechanical Engineering MCQ

RRB JE ME (CBT II) Mock Test- 5 - Mechanical Engineering MCQ


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30 Questions MCQ Test - RRB JE ME (CBT II) Mock Test- 5

RRB JE ME (CBT II) Mock Test- 5 for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The RRB JE ME (CBT II) Mock Test- 5 questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The RRB JE ME (CBT II) Mock Test- 5 MCQs are made for Mechanical Engineering 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for RRB JE ME (CBT II) Mock Test- 5 below.
Solutions of RRB JE ME (CBT II) Mock Test- 5 questions in English are available as part of our course for Mechanical Engineering & RRB JE ME (CBT II) Mock Test- 5 solutions in Hindi for Mechanical Engineering course. Download more important topics, notes, lectures and mock test series for Mechanical Engineering Exam by signing up for free. Attempt RRB JE ME (CBT II) Mock Test- 5 | 150 questions in 120 minutes | Mock test for Mechanical Engineering preparation | Free important questions MCQ to study for Mechanical Engineering Exam | Download free PDF with solutions
RRB JE ME (CBT II) Mock Test- 5 - Question 1
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When the vibrating object moves backwards, it creates a region of low pressure in the medium called _______________.

Detailed Solution for RRB JE ME (CBT II) Mock Test- 5 - Question 1
The vibrating object produces a series of compressions and rarefactions, one after the other in the medium. These pulses travel one behind the other as the sound waves move forward. When this sound wave reaches our ear, it forces the tympanic membrane to vibrate and thus causes the sensation of hearing.
RRB JE ME (CBT II) Mock Test- 5 - Question 2
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Find the potential energy gained by a body of mass 60 kg, if it is raised by 12 m.(use g = 10 m/s²)

Detailed Solution for RRB JE ME (CBT II) Mock Test- 5 - Question 2

Given that,

m = 60 kg, g = 10m/s2, h = 12m

Potential energy = mgh

= 60 x 12 x 10

= 7200 Joules

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RRB JE ME (CBT II) Mock Test- 5 - Question 3
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Light is a ______________ wave.

Detailed Solution for RRB JE ME (CBT II) Mock Test- 5 - Question 3
Light and other types of electromagnetic radiation are transverse waves. Water waves and S waves(a type of seismic wave) are also transverse waves. In transverse waves, the vibrations are at right angles to the direction of travel.
RRB JE ME (CBT II) Mock Test- 5 - Question 4
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What is the effective resistance(in Ω) of two resistors 21 Ω and 28 Ω connected in parallel?
RRB JE ME (CBT II) Mock Test- 5 - Question 5
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If the velocity of a body is doubled its kinetic energy ________________.
Detailed Solution for RRB JE ME (CBT II) Mock Test- 5 - Question 5

Kinetic energy is directly proportional to the mass of the object and to the square of its velocity:

K.E. = 1/2 m v2

If v’ = 2v

= 2mv2

= 4(mv2) / 2

= 4 (K.E)

RRB JE ME (CBT II) Mock Test- 5 - Question 6
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Propagation of sound can be visualized as propagation of _____________ variations in the medium.
Detailed Solution for RRB JE ME (CBT II) Mock Test- 5 - Question 6
Sound is a sequence of waves of pressure which propagates through compressible media such as air or water. During their propagation, waves can be reflected, refracted, or attenuated by the medium.
RRB JE ME (CBT II) Mock Test- 5 - Question 7
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Why is weightlessness experienced while orbiting the earth in space ships?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 5 - Question 7
Weightlessness experienced while orbiting the earth in space ships is due to Zero gravity.
RRB JE ME (CBT II) Mock Test- 5 - Question 8
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According to Dalton’s Atomic Theory, the smallest indivisible particles of matter are called ______.
Detailed Solution for RRB JE ME (CBT II) Mock Test- 5 - Question 8
An atom is the smallest constituent unit of ordinary matter that has the properties of a chemical element according to which every solid, liquid, gas, and plasma is composed of neutral or ionized atoms. Atoms are extremely small; typical sizes are around 100 picometers.
RRB JE ME (CBT II) Mock Test- 5 - Question 9
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Which statement(s) is/are CORRECT regarding Dalton’s Atomic theory?

I. All matters are made of very tiny particles.

II. Atoms of different elements have different masses and chemical properties.

III. The relative number of atoms is variable in any compound.
Detailed Solution for RRB JE ME (CBT II) Mock Test- 5 - Question 9
Dalton's atomic theory proposed that all matter was composed of atoms, indivisible and indestructible building blocks. While all atoms of an element were identical, different elements had atoms of differing size and mass.
RRB JE ME (CBT II) Mock Test- 5 - Question 10
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In a combination reaction there can be ______.

I. Two or more than two reactants

II. Two or more than two products

III. Only one product
Detailed Solution for RRB JE ME (CBT II) Mock Test- 5 - Question 10
A combination reaction(also known as a synthesis reaction) is a reaction where two or more elements or compounds(reactants) combine to form a single compound(product). Such reactions may be represented by equations of the following form: X + Y → XY.
RRB JE ME (CBT II) Mock Test- 5 - Question 11
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Which of the following fuels has the maximum calorific value?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 5 - Question 11
Petrol has maximum calorific value as compared to other options.
RRB JE ME (CBT II) Mock Test- 5 - Question 12
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If an atom has atomic number 10 and mass number 23, then what will be the number of protons and neutrons in an atom respectively?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 5 - Question 12

Atomic Number =Number of Proton

Number of proton =10

Mass number =Number of proton + Number of Neutron

Number of Neutron=23-10

=13

RRB JE ME (CBT II) Mock Test- 5 - Question 13
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While cooking, if the bottom of the vessel is getting blackened on the outside, it means that ______.
Detailed Solution for RRB JE ME (CBT II) Mock Test- 5 - Question 13
While cooking, if the bottom of the vessel is getting blackened on the outside, then it means that the fuel is not burning completely.
RRB JE ME (CBT II) Mock Test- 5 - Question 14
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Atomic number is always equal to ______.
Detailed Solution for RRB JE ME (CBT II) Mock Test- 5 - Question 14
The number of protons in the nucleus of the atom is equal to the atomic number(Z).
RRB JE ME (CBT II) Mock Test- 5 - Question 15
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Which of the following statement(s) is/are INCORRECT?

I. Alkenes are fairly unreactive.

II. Alkenes burn with blue flame.

III. Alkanes burn with yellow flame.
Detailed Solution for RRB JE ME (CBT II) Mock Test- 5 - Question 15
Alkenes are more reactive due to the properties of the carbon-carbon bond. When alkenes are burnt in an atmosphere that is rich in oxygen and if the temperature is high enough, the alkenes burn giving CO2 and H2O. Alkenes do not burn with blue flame and Alkanes do not burn with yellow flame.
RRB JE ME (CBT II) Mock Test- 5 - Question 16
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Which place is NOT associated with Gautama Buddha?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 5 - Question 16
Astamahasthanas are eight great holy places associated with the life of Buddha. These include four pilgrimage sites related to the life of Gautama Buddha viz. Lumbini, Bodhgaya, Sarnath and Kushinagara and four other sites viz. Sravasti, Sankasya, Rajgir and Vaishali. Pawapuri is not associated with him.
RRB JE ME (CBT II) Mock Test- 5 - Question 17
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Mir Hassan Dehlavi was in the court of which of the following?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 5 - Question 17
Mir Hassan Dehlavi was in the court of Alauddin Khilji.
RRB JE ME (CBT II) Mock Test- 5 - Question 18
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During the Maratha period, who was the officer responsible for the village administration?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 5 - Question 18
During the Maratha period, Patil was the officer responsible for the village administration.
RRB JE ME (CBT II) Mock Test- 5 - Question 19
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Which of the following organizations was established outside India?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 5 - Question 19
The East India Association was founded by Dadabhai Naoroji in 1866, collaborating with Indians and retired British officials in London. It superseded the London Indian Society and was a platform for discussing matters and ideas about India and to provide representation for Indians to the Government.
RRB JE ME (CBT II) Mock Test- 5 - Question 20
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Who of the following leaders is NOT associated with Champaran Satyagraha?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 5 - Question 20
Sardar Patel is NOT associated with Champaran Satyagraha.
RRB JE ME (CBT II) Mock Test- 5 - Question 21
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‘Local Government’ is a subject mentioned in which list under the 7th schedule of the Indian constitution?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 5 - Question 21
‘Local Government’ is in the State subject list of the Seventh Schedule of the Indian Constitution.
RRB JE ME (CBT II) Mock Test- 5 - Question 22
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Comptroller and Auditor General of India submits the audit reports to _______.
Detailed Solution for RRB JE ME (CBT II) Mock Test- 5 - Question 22
The reports of the Comptroller and Auditor-General of India relating to the Union accounts shall be submitted to the president, who shall cause them to be laid before each House of Parliament.
RRB JE ME (CBT II) Mock Test- 5 - Question 23
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Anti-defection law was passed in which Constitutional Amendment Act?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 5 - Question 23
The Anti-Defection Law was passed in 1985 through the 52nd Amendment to the Constitution, which added the Tenth Schedule to the Indian Constitution.
RRB JE ME (CBT II) Mock Test- 5 - Question 24
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The word monsoon refers to ___________.
Detailed Solution for RRB JE ME (CBT II) Mock Test- 5 - Question 24
A monsoon is a seasonal shift in the prevailing wind direction that usually brings a different kind of weather. It almost always refers to the Asian monsoon, a large region extending from India to Southeast Asia where monsoon conditions prevail.
RRB JE ME (CBT II) Mock Test- 5 - Question 25
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Which part of the Earth has an abundance of nickel and iron?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 5 - Question 25
The outer core is about 1,400 miles thick, and it's made mainly of a combination(called an alloy) of iron and nickel(NIFE), along with small amounts of other dense elements like gold platinum, and uranium.
RRB JE ME (CBT II) Mock Test- 5 - Question 26
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Konkan coast is stretched from where to where?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 5 - Question 26
Konkan coastal plain of western India is between the Arabian Sea(west) and the Western Ghats(east). The plain stretches approximately 330 miles(530 km) from the Daman Ganga River north of Mumbai(Bombay) to the Terekhol River between Maharashtra and Goa states and Daman and Diu union territory in the south.
RRB JE ME (CBT II) Mock Test- 5 - Question 27
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Which State declared Dolphin as a State aquatic animal?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 5 - Question 27
On February 2, 2019, Punjab Chief Minister Captain Amarinder Singh declared one of the rarest mammals, the Indus River Dolphin, only found in Beas River, as Punjab State Aquatic Animal.
RRB JE ME (CBT II) Mock Test- 5 - Question 28
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Sentinelese Tribe, which is in news recently, is located in which of the following islands?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 5 - Question 28
The North Sentinel Island(NSI) is home to the Sentinelese tribe, which have consistently refused any interaction with the outside world.
RRB JE ME (CBT II) Mock Test- 5 - Question 29
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Dikki Bandi stadium was renamed after former Lok Sabha Speaker Purno A Sangma. It was located in the state of;
Detailed Solution for RRB JE ME (CBT II) Mock Test- 5 - Question 29

The Meghalaya Cabinet has decided to rename the Dikki Bandi stadium in Tura town after former Lok Sabha Speaker Purno A. Sangma.

RRB JE ME (CBT II) Mock Test- 5 - Question 30
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Which country has won the team event at the first Mallakhamb World Championship 2019?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 5 - Question 30
India emerged as winners in the the correctthe First Mallakhamb World Championship team event held in Shivaji Park in central Mumbai in which India became the winner.
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