# JEST Previous Year Question Papers

Best way to prepare for Joint Entrance Screening Test, is to solve daily JEST Previous Year Question Papers!! Regular practice of JEST Question Papers will help you to boost up knowledge as well preparation level to score better marks.

Joint Entrance Screening Test is going to be conducted on 17-02-2019 by Science & Engineering Research Board (SERB). Those who are going to participate in exam can start preparation with JEST Exam Previous Question Papers

Authority has released the JEST Question Papers PDF at official site. Students can download the JEST Previous Question Papers Physics/ computer science through online mode with the help of below mentioned instructions

Applicants can download the JEST Previous Year Question Papers PDF directly by hitting the direct links available on this page which is well presented by the expert team member of recruitmentresult.com.

JEST Previous Question Papers PDF

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JEST Previous Year Question Papers PDF

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Get Here: JEST 2017 Paper PDF

## JEST Previous Year Question Papers

Question: The ratio of the actual damping coefficient to the critical damping coefficient is called damping factor.

1. Yes
2. No

Question: When a body moves with simple harmonic motion, the product of its periodic time and frequency is equal to

1. zero
2. one
3. π/2
4. π

Question: In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to

1. 2
2. 4
3. 6
4. 8

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Question: For high speed engines, the cam follower should move with

1. uniform velocity
2. simple harmonic motion
3. uniform acceleration and retardation
4. cycloidal motion

Question: In a coupling rod of a locomotive, each of the four pairs is a __________ pair.

1. sliding
2. turning
3. rolling
4. screw

Question: If ω/ωn is very high for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach

1. 90°
2. 180°
3. 360°

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Question: In a circular arc cam with roller follower, the acceleration in any position of the lift will depend only upon

1. total lift, total angle of lift, minimum radius of cam and cam speed
2. radius of circular arc, cam speed, location of centre of circular arc and roller diameter
3. mass of cam follower linkage, spring stiffness and cam speed
4. total lift, centre of gravity of the cam and cam speed

Question: When the relation between the controlling force (Fc) and radius of rotation (r) for a spring controlled governor is Fc = ar + b, then the governor will be

1. stable
2. unstable
3. isochronous
4. none of these

Question: The factor which affects the critical speed of a shaft is

1. diameter of disc
2. span of shaft
3. eccentricity
4. all of these

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Question: The partial balancing of reciprocating parts in locomotives produces

1. hammer blow
2. swaying couple
3. variation in tractive force along the line of stroke
4. all of the above

Question. Inside an aeroplane, flying at a high altitude,

1. the pressure is the same as that outside
2. normal atmospheric pressure is maintained by the use of air pumps
3. the pressure inside is less than the pressure outside
4. normal humidity and partial vacuum are maintained

Question . Sound travels with a different speed in media. In what order does the velocity of sound increase in these media?

1. Water, iron and air
2. Iron, air and water
3. Air, water and iron
4. Iron, water and air

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Question . One thousand microns is equal to

1. 10-3 m
2. 10-6 m
3. 10-9 m
4. 10-12m

Question . Sound travels at the fastest speed in

1. steel
2. water
3. air
4. vacuum

Question . oil raise up the wick in a lamp. The principle involves

1. the diffusion of oil through the wick
2. the liquid state of oil
3. capillary action phenomenon
4. volatility of oil

Question . Superconductors are substances which

1. conduct electricity at low temperature
2. offer high resistance to the flow of current
3. offer no resistance to the flow of electricity
4. conduct electricity at high temperatures

Question. Light travels at the fastest speed in

1. glass
2. water
3. hydrogen
4. vacuum

Question . Railway tracks are banked on curves

1. necessary centrifugal force may be obtained from the horizontal component weight of the train
2. to avoid frictional force between the tracks and wheels
3. necessary centripetal force may be obtained from the horizontal component of the weight of the train
4. the train may not fly off in the opposite direction

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Question. Intensity of sound at a point is ____ its distance from the source.

1. directly proportional to
2. inversely proportional to
3. directly proportional to square of
4. inversely proportional to square of

Question . Of the four locations mentioned below the highest inside temperature will be attained in the pressure cooker operated with the pressure valve open

1. at sea level
2. at the top of Mt. Everest
3. at a place in a valley below sea level
4. in an aeroplane flying at a height of 10,000 m with inside pressure maintained at the sea level

Question . Radio telescopes are better than optical telescopes because

1. they can detect faint galaxies which no optical telescope can
2. they can work even in cloudy conditions
3. they can work during the day and night
4. All of the above

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Question. Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit

1. X-rays
2. ultraviolet light
3. visible light

Question. Out of the following pairs, which one does not have identical dimension?

1. Moment of inertia and moment of a force
2. Work and Torque
3. Angular momentum and Planck’s constant
4. Impulse and Momentum

Question. Mercury is commonly used as a thermometric fluid rather than water because

1. specific heat of mercury is less than water
2. specific heat of mercury is more than water
3. mercury has greater visibility than water
4. density of mercury is more than the water

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Question. Optical fibre works on the

1. principle of refraction
2. total internal reflection
3. scattering
4. interference

Question. Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in

1 . 4.2 seconds

2. 42 seconds

3. 4.2 years

4. 42 years

Question. Supersonic plane fly with the speed

1. less than the speed of sound
2. of sound
3. greater than the speed of sound
4. of light

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Question. Mach number is used in connection with the speed of

1. sound
2. aircraft
3. spacecraft
4. ships

Question. On a stationary sail boat, air is blown from a fan attached to the boat. The boat

1. moves in opposite direction in which the air is blown
2. does not move
3. moves in the same direction in which air blows
4. spins around

Question. Rainbow is due to

1. absorption of sunlight in minute water droplets
2. diffusion of sunlight through water droplets
3. ionisation of water deposits
4. refraction and reflection of sunlight by water droplets

In order to succeed In JEST Exam, Well Prepare From JEST Question Papers Physics which is available here. JEST acronym to Joint Entrance Screening Test, is an entrance test conducted on a joint basis for admission in to the PhD courses. Contenders, who’re going to appear in JEST exam, may fetch the JEST last Year Question Papers in pdf format through this page and start their preparation accordingly.

JEST Exam Pattern 2019

• Mode: The exam will be conducted through offline mode (OMR).
• Duration of Exam: 3 hours will be provided to complete the exam.
• Number of Questions: The question paper of Physics will be divided into three parts i.e. Part A, Part B and Part C.
• Language: The paper will be published in English language.
 Parts No. of Questions Marking Scheme Negative Marking Part A 15 +3 -1 Part B 10 +3 No negative marking Part C 25 +1 -1/3

Want to Know? Tips To Create Your Own Study Guide

Applicants can download the JEST previous question papersby following the below mentioned guidelines

• First of all, applicants to get JEST solved question papers are require to visit the official website i.e. www.JEST.org.in
• Now select the JEST Question Papers Physics / JEST Question Papers Computer Science link
• New window containing JEST Old question papers PDF will be displayed
• At last take a print out of JEST Previous Year Question Papers and start preparing with it

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JEST 2019 Imp dates

 Events Schedule Dates (Announced) Starting of JEST 2019 Online form 01-11-2018 Last date to submit the JEST Application Form 15-12-2018 Availability of admit card After 20-01-2019 Exam date 17-02-2019 Answer Key Release Last week of February 2019 Last date to submit objection regarding answer key 1st week of March 2019 Declaration of result Last week of March 2019 Interview starts 3rd week of April 2019

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Essential Note:

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