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Mechanical Engineering Exam  >  Mechanical Engineering Tests  >  RRB JE ME (CBT II) Mock Test- 1 - Mechanical Engineering MCQ

RRB JE ME (CBT II) Mock Test- 1 - Mechanical Engineering MCQ


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30 Questions MCQ Test - RRB JE ME (CBT II) Mock Test- 1

RRB JE ME (CBT II) Mock Test- 1 for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The RRB JE ME (CBT II) Mock Test- 1 questions and answers have been prepared according to the Mechanical Engineering exam syllabus.The RRB JE ME (CBT II) Mock Test- 1 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- 1 below.
Solutions of RRB JE ME (CBT II) Mock Test- 1 questions in English are available as part of our course for Mechanical Engineering & RRB JE ME (CBT II) Mock Test- 1 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- 1 | 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- 1 - Question 1
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The effective resistance between points P and Q of the electrical circuit shown in the figure is

Detailed Solution for RRB JE ME (CBT II) Mock Test- 1 - Question 1

The circuit is symmetrical about axis POQ. Therefore the equivalent circuit is drawn.

RRB JE ME (CBT II) Mock Test- 1 - Question 2
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What is the full form of MIPS?

Detailed Solution for RRB JE ME (CBT II) Mock Test- 1 - Question 2
Million Instructions Per Second (MIPS) is a method of measuring the raw speed of a computer’s processor but not the whole system. 1 MIPS is 10,00,000 instructions per second.
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RRB JE ME (CBT II) Mock Test- 1 - Question 3
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Which of the following statements is true?

Detailed Solution for RRB JE ME (CBT II) Mock Test- 1 - Question 3
Global warming will reduce the annual build-up of glacier ice. Global warming is the slow increase in the average temperature of the earth’s atmosphere because an increased amount of the energy (heat) striking the earth from the sun is being trapped in the atmosphere and not radiated out into space.
RRB JE ME (CBT II) Mock Test- 1 - Question 4
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If a refrigerant is undergoing expansion, which of the following remains constant?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 1 - Question 4
Expansion is an adiabatic process, and hence enthalpy remains constant. Since it expands, work is done, and since work is done, internal energy changes.
RRB JE ME (CBT II) Mock Test- 1 - Question 5
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Identify one only fissile fuel from the following
Detailed Solution for RRB JE ME (CBT II) Mock Test- 1 - Question 5
Thorium is fissile fuel, fissile fuel means the fuel formed by continuous chain reaction of neutrons of any energy
RRB JE ME (CBT II) Mock Test- 1 - Question 6
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Power screws are designed in how many types of arrangements?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 1 - Question 6
Power screws are designed in 2 types of arrangements, one type of power screw is that in which the screw rotates while the nut remains stationary and the other one of the type in which the screw remains stationary and the nut rotates.
RRB JE ME (CBT II) Mock Test- 1 - Question 7
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From the following, where should work study be used?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 1 - Question 7
Work study involves finding the standard time for an operation. Analysis the ways to improve or reduce the time is also part of work study. Hence, a work study is used where production activities are involved.
RRB JE ME (CBT II) Mock Test- 1 - Question 8
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What is the benefit that one can get from industrial engineering?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 1 - Question 8
The use of industrial engineering will definitely help to improve coordination between man, material and machine. Process flow can also be improved by using the methodology of industrial engineering.
RRB JE ME (CBT II) Mock Test- 1 - Question 9
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Thermal conductivity is defined as?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 1 - Question 9
Thermal conductivity is defined as Heat flow per unit time across the unit area, wherein the temperature gradient is unity. Every material has thermal conductivity due to the movement of free electrons and vibrational waves across the lattice structure.
RRB JE ME (CBT II) Mock Test- 1 - Question 10
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By how many ways can heat be transferred from one object to another?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 1 - Question 10
Heat can be transferred from one object to another object in 3 ways. The three ways are conduction, convection, and radiation.
RRB JE ME (CBT II) Mock Test- 1 - Question 11
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Which one of the following is an example of an output computer device?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 1 - Question 11
Input devices - An input device can send data to another device, but it cannot receive data from another device.

e.g., mouse and a keyboard

Output devices - An output device can receive data from another device and generate output with that data, but it cannot send data to another device.

e.g., monitor and a printer

RRB JE ME (CBT II) Mock Test- 1 - Question 12
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Stiffness is measured as?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 1 - Question 12
Stiffness is defined as the ability of a material to resist deformation when the load is applied. Thus, it is measured as a modulus of elasticity.
RRB JE ME (CBT II) Mock Test- 1 - Question 13
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Rate of heat transfer is denoted by?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 1 - Question 13
Heat transfer has unit Joules, but the heat transfer rate has a unit, Joules/sec, i.e., Watt. Since it measures the amount of heat with respect to time.
RRB JE ME (CBT II) Mock Test- 1 - Question 14
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Which force acts on a liquid to give rise to surface tension?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 1 - Question 14
Surface tension arises in a liquid due to unbalanced forces acting on the liquid. To have unbalanced forces, two forces are needed, and hence both cohesive and adhesive force acts on the liquid. An adhesive force acts upwards due to gaseous molecules around the liquid, and cohesive force due to liquid molecules acts downward.
RRB JE ME (CBT II) Mock Test- 1 - Question 15
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Calculate the moment of force at point R, if The force at point P is 1500N and acting downwards, the distance RP is 4M, and the angle between them is 30˚.
Detailed Solution for RRB JE ME (CBT II) Mock Test- 1 - Question 15
Moment of force is calculated by force multiplied by the distance. Thus using the same formula, we have force as 1500 N and distance is 4 M, but force component perpendicular to the distance also needs to be taken into account, and that is sin 30, which is 0.5, and thus we can calculate the moment of force by 1500 x 4 x 0.5 = 3000 Nm.
RRB JE ME (CBT II) Mock Test- 1 - Question 16
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If a four stroke engine with a single cylinder is rotating at 2000 RPM, how many power strokes does it completely in 1 minute?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 1 - Question 16
For a four-stroke engine, two revolutions complete one cycle and hence, If speed is 2000 rpm then the number of complete cycles per minute is 1000.
RRB JE ME (CBT II) Mock Test- 1 - Question 17
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In a multi cylinder engine, what does firing order mean?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 1 - Question 17
Firing order means the sequence in which the cylinders generate power stroke in multi cylinder engines. This firing order is achieved by placing the spark plug according to the desired firing order. Correct firing order is necessary to achieve smooth running of the engine, less vibration and correct engine balance.
RRB JE ME (CBT II) Mock Test- 1 - Question 18
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Who of the following is not a full -time member of NITI Ayog?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 1 - Question 18
Amitabh Kant is the present CEO of the NITI Ayog but is not one of the full-time members.

Full-time Members: Bibek Debroy (Economist), V. K. Saraswat (former DRDO Chief), Ramesh Chand (Agriculture Expert) and Dr. Vinod Paul (Public Health expert)

RRB JE ME (CBT II) Mock Test- 1 - Question 19
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According to Newton's law of motion, is it possible to swim?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 1 - Question 19

  • Newton's third law states that every action must have an equal and opposite reaction.

  • In swimming, when the hands and feet push against the water, the water pushes back on the swimmer and propels the swimmer forwards.

RRB JE ME (CBT II) Mock Test- 1 - Question 20
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__________ is used as a programming language in first generation computers?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 1 - Question 20
A first generation (programming) language (1GL) is a grouping of programming languages that are machine level languages used to program first-generation computers.
RRB JE ME (CBT II) Mock Test- 1 - Question 21
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Which weed is widely used to reduce water pollution caused by industries effluents?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 1 - Question 21
Elephant Grass is a common weed i.e. widely used to reduce water pollution caused by industries effluents. It has several environmental impacts like prevention from soil erosion, it acts as pest control agent etc.
RRB JE ME (CBT II) Mock Test- 1 - Question 22
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Limit system?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 1 - Question 22
The limit system is a series of tolerances. They are designed in a way to suit a specific range of sizes. First, they help in selecting the size of limits and then they are given to mating parts to get the required type of fit in the mating parts.
RRB JE ME (CBT II) Mock Test- 1 - Question 23
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If the spring index is 4 , the Wahl’s factor would be?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 1 - Question 23

Wahl's Correction factor is given by

Where, C= Spring index.

RRB JE ME (CBT II) Mock Test- 1 - Question 24
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Which one of the following is not alkaline?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 1 - Question 24
Alkaline refers to a nutrient solution or growing media with a pH greater than 7. Alkaline soils are normally composed of various types of materials such as calcium carbonate. Highly alkaline soils are more prevalent in dry regions. Because soil pH is directly linked to nutrient availability, alkaline soils tend to have a deficiency in phosphorus, zinc, and iron. So sulphur is not an alkaline .
RRB JE ME (CBT II) Mock Test- 1 - Question 25
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On the traditional lathe machine, lead screws are _______ type of screw.
Detailed Solution for RRB JE ME (CBT II) Mock Test- 1 - Question 25
Traditional lathe machines have mechanically driven lead screws. The lead screw is moved forward and backward by using a round handle.
RRB JE ME (CBT II) Mock Test- 1 - Question 26
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Who among the following considered the "Right to Constitutional Remedies' ' to be the heart and soul of the Indian Constitution?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 1 - Question 26
Dr. B. R. Ambedkar called 'Article 32' of the Indian Constitution, i.e., Right to Constitutional remedies as 'the heart and soul of the Constitution.
RRB JE ME (CBT II) Mock Test- 1 - Question 27
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Industrial engineering involves?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 1 - Question 27
Industrial engineering is a branch of science that helps optimize complex processes, resources, developing and improving the level of operating people.
RRB JE ME (CBT II) Mock Test- 1 - Question 28
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Which of the following is the ultimate source of energy for human beings?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 1 - Question 28
Solar energy is radiant light and heat from the Sun that is harnessed using a range of ever-evolving technologies such as solar heating, photovoltaics, solar thermal energy, solar architecture, molten salt power plants, and artificial photosynthesis. For humanity the sun is the ultimate source of energy.
RRB JE ME (CBT II) Mock Test- 1 - Question 29
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Imparting heat to the system will lead to ?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 1 - Question 29
Heating imparting to a system will lead to increase in internal energy. This internal heat is increased since the motion of molecules increases, and thus entropy also increases.
RRB JE ME (CBT II) Mock Test- 1 - Question 30
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The time in which a transformer is used in welding in normal load conditions?
Detailed Solution for RRB JE ME (CBT II) Mock Test- 1 - Question 30
The amount of time during which the transformer will be used for welding under normal loading conditions is known as the duty cycle. Weld time is the actual time taken to complete the weld.
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