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Mechanical Engineering Exam  >  Mechanical Engineering Test  >  RCFL MT Mechanical Mock Test Series 2026  >  RCFL MT Mechanical Mock Test - 2 - Mechanical Engineering MCQ

RCFL MT Mechanical Mock Test - 2 Free Online Test 2026


Full Mock Test & Solutions: RCFL MT Mechanical Mock Test - 2 (100 Questions)

You can boost your Mechanical Engineering 2026 exam preparation with this RCFL MT Mechanical Mock Test - 2 (available with detailed solutions).. This mock test has been designed with the analysis of important topics, recent trends of the exam, and previous year questions of the last 3-years. All the questions have been designed to mirror the official pattern of Mechanical Engineering 2026 exam, helping you build speed, accuracy as per the actual exam.

Mock Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 90 minutes
  • - Total Questions: 100
  • - Analysis: Detailed Solutions & Performance Insights
  • - Sections covered: Technical Subject, General English, Quantitative Aptitude, Reasoning, General Knowledge

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RCFL MT Mechanical Mock Test - 2 - Question 1
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An isothermal process is governed by

Detailed Solution: Question 1

According to Boyle’s law, for a fixed mass of gas at a constant temperature, the volume is inversely proportional to the pressure. That means that, for example, if you double the pressure, you will halve the volume. This can express this mathematically as PV = constant.

The isothermal process has a constant temperature so governed by Boyle’s law.

RCFL MT Mechanical Mock Test - 2 - Question 2
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Water is used to cool the radiator of a motor vehicle because water-

Detailed Solution: Question 2

Since specific heat of water is very high, so less even amount of water takes more out of the radiator with a minimal increase in its temperature. Thus water is used as a coolant in the radiator of a car engine.

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RCFL MT Mechanical Mock Test - 2 - Question 3
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When the follower is provided with a flat face with a perfectly flat plane, it is known as

Detailed Solution: Question 3

Radial follower: When the motion of the follower is along an axis passing through the centre of the cam, it is known as a radial follower.

Flat-faced or mushroom follower: When the contacting end of the follower is a perfectly flat face, it is called a flat-faced follower.

Knife edge follower: When the contacting end of the follower has a sharp knife edge, it is called a knife-edge follower.

(a) Knife edged, (b) Roller Follower, (c) Flat or Mushroom Follower (d) Spherical faced Follower

RCFL MT Mechanical Mock Test - 2 - Question 4
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The valve rod in a steam engine is connected to an eccentric rod by

Detailed Solution: Question 4

A knuckle joint is used to connect two rods under tensile load. This joint permits angular misalignment of the rods and may take the compressive load if it is guided. The automotive engine piston is connected to the small end of the connecting rod by means of a piston pin. This is one major application of knuckle joints. The valve rod in a steam engine is connected to an eccentric rod by the Knuckle joint.

RCFL MT Mechanical Mock Test - 2 - Question 5
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If the principal stresses on a plane stress problem are s1 = 100 MPa and s2 = 40 MPa, then themagnitude of shear stress (in MPa) will be

Detailed Solution: Question 5

RCFL MT Mechanical Mock Test - 2 - Question 6
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Lever rule is used for calculating

Detailed Solution: Question 6

The lever rule is used to determine the amount of each phase present in the mixture of two.

Percentage of one phase = xz/xy × 100

Similarly, for another phase = xy/xy × 100

RCFL MT Mechanical Mock Test - 2 - Question 7
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Shear force at any point of the beam is the algebraic sum of

Detailed Solution: Question 7

At any x-section of a beam, the shear force ‘F' is the algebraic sum of all the lateral components of the forces acting on either side of the x-section.

Bending moment is the algebraic sum of the moments about an x-section of all the forces acting on either side of the section.

RCFL MT Mechanical Mock Test - 2 - Question 8
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The alloying elements in steel that improve fatigue strength is

Detailed Solution: Question 8

Thus, increasing the chromium and silicon content produces a 1.5-2-fold increase in the corrosion-fatigue limit, which, however, decreases by 15-40 with increasing manganese or nickel content. Boriding leads to a substantial increase in the conditional corrosion-fatigue limit of steel St.

RCFL MT Mechanical Mock Test - 2 - Question 9
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Reynolds number is the ratio of the inertia force to the:

Detailed Solution: Question 9

Reynolds;Number = Inertia;force/Viscous;force

Froude;Number = Inertia;force/Gravity;force

Weber;Number = Inertia;force/Surface;tension;force

RCFL MT Mechanical Mock Test - 2 - Question 10
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What is the possible minimum number of links required in the planar mechanism of a single degree of freedom which has both higher and lower kinetic pairs?

Detailed Solution: Question 10

A kinematic chain is a group of links either joined together or arranged in a manner that permits them to move relative to one another. If the links are connected so that no motion is possible, it results in a locked chain or structure. A minimum number of three links is required to form a closed chain, with different but there will be no relative motion between these three links. Hence it cannot form a kinematic chain.

So a minimum of four links is necessary to form a kinematic chain.

RCFL MT Mechanical Mock Test - 2 - Question 11
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An overhead line conductor has an inductance per unit length of L Henry. If the entire medium
around the conductor is filled with a dielectric material of permittivity (E), then the inductance
will be

Detailed Solution: Question 11

RCFL MT Mechanical Mock Test - 2 - Question 12
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Internal combustion

Detailed Solution: Question 12

An internal combustion engine (ICE) is a heat engine in which the combustion of a fuel occurs with an oxidizer (usually air) in a combustion chamber that is an integral part of the working fluid flow circuit.

RCFL MT Mechanical Mock Test - 2 - Question 13
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The liquid used in manometers should have

Detailed Solution: Question 13

The liquid used in manometers should have high density.To lower the column height, the manometers liquid must have a high density. Making the column height a reasonable limit is critical since manometers are used to measure high pressures.

RCFL MT Mechanical Mock Test - 2 - Question 14
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Wrought iron

Detailed Solution: Question 14

Correct Answer :- d

Explanation : Wrought iron is an iron alloy with very low carbon content with respect to cast iron. It is soft, ductile, magnetic, and has high elasticity and tensile strength. It can be heated and reheated and worked into various shapes.

RCFL MT Mechanical Mock Test - 2 - Question 15
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Hardenability of steel generally depends upon

Detailed Solution: Question 15

The hardenability of steel depends upon the actual rate at which its austenite transforms to fine pearlite at the particular temperature at which this reaction sets in most promptly. The finer the grain, the more rapid the transformation is to fine pearlite, and correspondingly the lower is the hardenability.

RCFL MT Mechanical Mock Test - 2 - Question 16
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An involute pinion and gear are in mesh. If both have the same size as an addendum, then there will be an interference between the

Detailed Solution: Question 16

The phenomenon when the tip of a tooth undercuts the root on its mating gear is known as interference.

If the radius of the addendum circle of the wheel increases beyond a limiting value, then the tip of a tooth on the wheel will cause interference with the tooth on the pinion and vice versa.

Interference may only be prevented if the addendum circles of the two mating gears cut the common tangent to the base circles between the points of tangency.

If the addendum for gear and pinion are to be equal, the addendum radius of the wheel decides whether the interference will occur or not. Because the addendum circle of the wheel passes through the limiting point on the line of action (interfering with the pinion) before the addendum circle of the pinion passes through the limiting point on the same line. So, in this case, the chances of interference are more for the wheel than the pinion. Here the tip of the wheel will undercut the flank of the pinion.

RCFL MT Mechanical Mock Test - 2 - Question 17
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If a body is acted upon by a number of coplanar non-concurrent forces, it may

Detailed Solution: Question 17

If all the forces in a system lie in a single plane and the lines of action of all the forces do not pass through a single point, the system is said to be a coplanar non-concurrent force system.

The resultant of non-concurrent force system is the one that will have the same rotational and translatory effect as the given system of forces. It may be a single force, a pure moment of a force and a moment.

When a body is acted upon by a number of coplanar non-concurrent forces. A little consideration will show that as a result of these forces, the body may have any one of the following states:

1. The body may move in any one direction.

2. The body may rotate about itself without moving.

3. The body may move in any one direction, and at the same time, it may also rotate about itself.

4. The body may be entirely at rest.

For Equilibrium of coplanar non-concurrent force system:

ΣFx = 0

ΣFy = 0

ΣM = 0

RCFL MT Mechanical Mock Test - 2 - Question 18
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Which one of the following is an advantage of forging?

Detailed Solution: Question 18

Advantages of Forging

  • Mechanical properties and reliability of the materials increase due to the improvement in the crystal structure.

  • Forging reduces the grain size of the metal, which increases strength and toughness.

  • Fatigue and creep strength increases

  • Improved physical property

Disadvantages of Forging

  • Tooling cost in forging is more

  • Poor dimensional accuracy and surface finish

  • Forging operations are limited to simple shapes and have limitations for parts having undercuts, re‐entrant surfaces, etc.

RCFL MT Mechanical Mock Test - 2 - Question 19
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If the principal stresses on a plane stress problem are S1 = 100 MPa and S2 = 40 MPa, then the magnitude of maximum shear stress (MPa) will be:

Detailed Solution: Question 19

In the case of the basic equations for calculating flow rate calculation plane stress problem, Shear stress is

RCFL MT Mechanical Mock Test - 2 - Question 20
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Directions: In the given sentence, an idiom or phrase is missing. Choose the phrase/idiom that can fill the blank both grammatically and contextually.

Do not give much importance to the critics, they are like the _______________ who have not done it themselves in life.

Detailed Solution: Question 20

According to the given context we are talking about the critics who always criticize people but they have not done the job themselves in life.

Back to square one: Returning to the place from where one started 

Close but no cigar: Being close to accomplishing a goal but only falling short at the end 

Crying wolf: Intentionally raising a false alarm 

Back seat drivers: People who criticize from the sidelines 

From all the given options, we can see that only option D fits in the given context since it expresses the correct meaning of the given statement.

This makes option D the correct choice among the given options.

RCFL MT Mechanical Mock Test - 2 - Question 21
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Directions: In each of the following questions, a sentence has been given in Active (or Passive) Voice. Out of the four alternatives suggested, select the one that best expresses the same sentence in Passive/ Active Voice.

Ads on TV increase the sale of any commodity.

Detailed Solution: Question 21

The given sentence in active voice is: "Ads on TV increase the sale of any commodity."

The correct transformation of this sentence into the passive voice is: "The sale of any commodity is increased by ads on TV."

Therefore, the correct answer is option B: "The sale of any commodity is increased by ads on TV."

RCFL MT Mechanical Mock Test - 2 - Question 22
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The Sabarmati Express left Ahmedabad for Mumbai. Having travelled 300 km, which constitutes 66.666 per cent of the distance between Ahmedabad and Mumbai, the train was stopped by a red signal. Half an hour later, the track was cleared and the engine-driver, having increased the speedby 15 km per hour, arrived at Mumbai on time. Find the initial speed of the Sabarmati Express.

Detailed Solution: Question 22

When the signal happened distance left was 150 km.
150/(s) – 150/(s + 15) = 1/2 hours Æ s = 60.

RCFL MT Mechanical Mock Test - 2 - Question 23
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Pyramid is an example of

Detailed Solution: Question 23

Since pyramid has length ,width and height so it will be 3D

RCFL MT Mechanical Mock Test - 2 - Question 24
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A farmer bought toffees at 6 for a rupee. How many for a rupee must he sell to gain 20%?

Detailed Solution: Question 24


RCFL MT Mechanical Mock Test - 2 - Question 25
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Directions to Solve

In each word of the following questions consists of pair of words bearing a relationship among these, from amongst the alternatives, pick up the pair that best illustrate a similar relationship.

Question -

Chalk : Blackboard

Detailed Solution: Question 25

As chalk is used to write on the blackboard similarly the Ink is used to write on the paper.

RCFL MT Mechanical Mock Test - 2 - Question 26
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Identify the odd one from the following -

Detailed Solution: Question 26

The logic followed here is:

The place value of A is 1, D is 4, O is 15 and U is 21. 

In each of the given figure the alphabet and its place value are given except  U and 23 in figure D.

Hence, figure D is the odd one from the given figures.

RCFL MT Mechanical Mock Test - 2 - Question 27
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Direction: Study the following information carefully and answer the given questions besides.

Eight person A, B, C, D, E, F, G and H sit around the circular table facing towards the centre but not necessarily in the same order.
G sits opposite to B. One person sits between A and C, who sits second to the right of H. Both G and B do not sit immediate left of H. D sits second to the left of B. A doesn’t sit beside D. E doesn’t face C.
Q. Who among the following sits 3rd to the left of the one who sits opposite to D?

Detailed Solution: Question 27

Eight persons A, B, C, D, E, F, G and H are sitting in a circle facing the centre.

First, fix a reference point.

G sits opposite B.
Assume B is at position 1. Then G will be at position 5.

D sits second to the left of B.
Since all are facing the centre, left means clockwise.
From position 1, moving two places clockwise gives position 7.
So, D is at position 7.

Now consider: C sits second to the right of H.
Facing centre, right means anticlockwise.

We now try placing H such that all conditions are satisfied.

Place H at position 6.
Now move two positions to the right (anticlockwise):
From 6 → 5 → 4
So, C is at position 4.

Next condition: One person sits between A and C.
C is at position 4, so A can be at position 2 or 6.
But position 6 is already occupied by H.
So, A must be at position 2.

Next: A does not sit beside D.
D is at position 7. Adjacent positions to 7 are 6 and 8.
A is at position 2, so this condition is satisfied.

Next: E does not face C.
C is at position 4, so the opposite position is 8.
Therefore, E cannot be at position 8.

Next: G and B do not sit immediate left of H.
H is at position 6. Immediate left (clockwise) of 6 is position 7.
Position 7 has D, so this condition is satisfied.

Now the remaining empty positions are 3 and 8.
The remaining people are E and F.

Since E cannot be opposite C (position 8), E must be at position 3.
Therefore, F will be at position 8.

Now the arrangement is complete and satisfies all conditions.

Finally, answer the question:

Who sits 3rd to the left of the one who sits opposite to D?

D is at position 7. The opposite position is 3, which is E.

Now move 3 places to the left (clockwise) from E:
From 3 → 4 → 5 → 6

Position 6 has H.

Therefore, option(B) is correct

RCFL MT Mechanical Mock Test - 2 - Question 28
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​In this questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and fill in the black spaces.

Q. 17, 19, 23, 29, (____),37

Detailed Solution: Question 28

The given series consists of consecutive prime numbers starting from 17. The next prime number after 29 is 31.

Thus, the missing number is 31.

RCFL MT Mechanical Mock Test - 2 - Question 29
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Bengal passed from Palas to the control of a new dynasty, the Senas. Where did the Senas come from?

Detailed Solution: Question 29

The Senas, who succeeded the Palas in Bengal, originally came from the Deccan region.They were of South Indian origin and claimed descent from the Karnataka region. Vijayasena, the founder of the Sena dynasty, overthrew the declining Pala rulers in the 12th century and established control over Bengal, ushering in a new era of Sena rule.

Therefore ,Correct Answer : Option D

RCFL MT Mechanical Mock Test - 2 - Question 30
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Consider the following pairs:

How many of the above pairs are correctly matched?

Detailed Solution: Question 30

  • The Indian Councils Act of 1892 aimed at expanding the councils to include more Indian representatives, albeit without significant power.
  • The Partition of Bengal in 1905 was a major political move by Lord Curzon, the then Viceroy of India, which had significant implications for the nationalist movement.
  • The Indian National Congress was indeed formed in 1885, marking a significant step towards organizing a national movement against British rule.

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About this Mechanical Engineering Mock Test

This mock test contains 100 questions designed to replicate the pattern, difficulty level and time pressure of the actual Mechanical Engineering exam. It is part of RCFL MT Mechanical Mock Test Series 2026 on EduRev, covering all the topics that are being asked as per the current Mechanical Engineering syllabus. Attempting this test under timed conditions will help you assess your exam readiness, identify subject-wise weak areas, and improve your speed and accuracy before the actual exam.

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