# RRB Group D GS Practice Set 47

RRB Group D General Science Practice Set 47 : The examination is being organized all over the country for more than 1 lakh posts of Group D, with this let us tell you that the first and second stage of RRB Group D exam has been successfully over and the third stage exam is going on. Meanwhile, the official announcement has also been made for the fourth stage examination. Which is 19/09/2022 From 07/10/2022 will be held between

In such a situation, 25 important questions and answers of General Science related to Group D exam have been included in front of you through this article. Make sure to practice these questions before going to the exam. RRB Group D General Science Practice Set 47

## RRB Group D General Science Practice Set 47

Question. The work done by the centrifugal force is-

• positive
• Zero
• negative
• Unit

Question. Which one of the following physical quantities is a scalar quantity?

• velocity
• impulse
• acceleration
• Young’s modulus

Question. What is the unit of physical quantity ‘surface tension’?

• newton second
• pascal x m
• joule

Question. Identify the element having electronic configuration 2, 6.

• oxygen
• chlorine
• nitrogen
• bromine

Question. Speed ​​of a train is an example of which of the following?

• rotational speed
• projectile motion
• rotation speed
• conversion speed

Question. The loudness of a wave is proportional to which of the following?

• Dimensions
• square root of dimension
• cube of dimension
• square of dimension

Question. What is responsible for the resonance of sound waves?

• reflection
• refraction
• interference
• polarization

Question. If an object is thrown up, what will be its velocity when it reaches the maximum height?

• 0 m/s
• 14.7 m/s
• 4.9 m/s
• 20 m/s

1. RRB Group D GS Practice Set 46
2. RRB Group D GS Practice Set 45
3. RRB Group D GS Practice Set 44

Question. A real gas can react as an ideal gas in

• high pressure and low temperature
• low pressure and high temperature
• high pressure and high temperature
• low pressure and low temperature

Question. At the boiling point of liquids……….

• the temperature rises
• atmospheric pressure rises
• vapor pressure decreases
• temperature remains constant

Question. Why does the air near the surface of the earth continue to receive heat even after sunset?

• sunlight
• driving
• convection

Question. An object is in stable equilibrium when it—

• is in a state of rest
• continues on a circular path
• moving with a uniform velocity
• accelerates at high speed

Question. In what form is the stored heat energy stored in a substance during a change in temperature?

• heat energy
• potential energy
• kinetic energy
• both kinetic and potential energy

Question. A force of 125N is acting on an object. The object is moved 5m in the direction of the force. The work done by the force will be ………..

Question. The bacteria which generate energy by using light are called ………. is referred to as.

• chemolithotropes
• oligotropes
• bacteria
• photoautotropes

Question. Which of the following is induced by oncogene?

• polio
• cancer
• Diarrhea
• Dengue

Question. What will be the weight of the body at the poles as compared to the weight of a body at the equator of the earth?

• The mass of the body at the poles will be greater than its weight at the equator
• The weight of the body at the poles will be equal to its weight at the equator
• the mass of the body at the poles will be zero
• The mass of the body at the poles will be less than its weight at the equator

Question. Computer Literacy Day is celebrated

• on 2nd December
• on June 5
• on 24 october
• on 16 august

Question. The line joining the area of ​​equal rainfall is called-

• isobars
• isohite
• isotherm
• iso haline

Question. The method of making photographs in three-dimensional with the help of a laser beam is called

• holography
• xerography
• videography
• audiography

Question. Which of the following organisms lays eggs, and does not directly produce children?

• cramping
• kangaroo
• Porcupine
• whale

Question. Which one of the following is a ‘satellite service provider’?

• Youthsat
• Intelsat
• Oceansat
• Astrosat

Question. To which port of the computer do you plug your keyboard’s cable?

• VZA port
• Ethernet port
• USB port
• sanpido port

Question. Which of the following subjects is related to “Robot”?

• kinematics
• hydraulics
• cyber netics
• mechanics

Question. The first manned vehicle to walk on the surface of the Moon was—

• Lunar Robonaut 2
• Lunar Spidernaut
• Lunar Rover
• Lunar Challenger

What would be the correct answer to this question? Do give us your answer in the comment section.

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