InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Which of the following is a super cooled liquid ?1). Ice Cream2). Teflon3). Glass4). Mercury |
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| 52. |
Ruby and sapphire are oxides of1). copper2). tin3). iron4). aluminium |
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| 53. |
The gas used for artificial fruit ripening of green fruit is1). Ethylene2). Acetylene3). Ethane4). Methane |
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| 54. |
Which of the following is used to denature ethanol ?1). Methyl alcohol2). Propyl alcohol3). Phenol4). Methane |
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| 55. |
Quartz is a crystalline form of1). Alumina2). Glass3). Silica4). Limestone |
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| 56. |
The important ore of aluminium is1). bauxite2). cryolite3). fluorspar4). haematite |
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| 57. |
Which one of the following metals is used to galvanise iron?1). Copper2). Lead3). Zinc4). Mercury |
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| 58. |
Molasses a byproduct in the manufacture of sugar is converted into1). alcohol2). paper3). fuel4). pulp |
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| 59. |
Sodium bicarbonate is commercially known as1). Washing soda2). Baking soda3). Caustic soda4). Soda lime |
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| 60. |
Gobar gas contains mainly:1). methane2). ethylene3). propylene4). acetylene |
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| 61. |
Drinking soda is1). (a)(I) Alkaline2). Acidic3). Neutral4). Oxidant (BSC |
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| 62. |
When the main switch of the house is put off it disconnects the1). live wire only2). live wire and the earth wire 3). live wire and the neutral wire 4). earth wire and the neutral wire |
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| 63. |
What happens to a liquid when the vapour pressure equals the atmospheric pressure?1). The liquid cools 2). The liquid boils 3). No change4). The liquid evaporates |
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| 64. |
Pycnometer is an instrument used to measure the1). density2).intensity of solar radiation 3). intensity of earthquake 4). high temperatures |
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| 65. |
Which one of the following instruments is used to study dispersion of light ?1).Microscope 2). Telescope 3). Spectrometer 4). Photometer |
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| 66. |
An oil drop spreads over water because1). oil Is lighter than water2). oil is more viscous3). oil does not mix with water4). surface tension of oil is much smaller than that of water |
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| 67. |
A piece of wood is held under water. The up thrust on it will be:1). equal to the weight of the wood 2). less than weight of the wood 3). more than weight of the wood 4). Zero |
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| 68. |
Which of the following events occurred first ? 1). Albert Einstein propounded the General Theory of Relativity2). Max Planck unveiled the Quantum Theory 3). Marconi first transmitted a wireless signal 4). Madame Marie Curie became the first woman Nobel Prizewinner |
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| 69. |
The mass energy relation is the outcome of1). quantum theory 2). general theory of relativity 3). field theory of energy 4). special theory of relativity |
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| 70. |
For a person having hyper metropia the near point is1). greater than 25 cm 2). greater than 50 cm 3). less than 25 cm 4). infinity |
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| 71. |
The fuse in pure domestic electric circuit melts when there is a high rise in1).Inductance2).Current3).Resistance4).Capacitance |
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| 72. |
Coolis tube is used to produce 1). Radio waves 2). Microwaves3). X-rays4).Gama rays |
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Answer» Coolis tube is USED to produce X-rays. ANSWER: 3). X-rays X-ray tubes EVOLVED from EXPERIMENTAL Crookes tubes with which X-rays were FIRST DISCOVERED in the 19th century. |
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| 73. |
Which among the following waves is used for communication by artificial satellites ? 1). Microwaves2). Radio waves3). A. M.4). Frequency of 101 series |
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| 74. |
The energy stored in a watch spring is1). kinetic energy 2). potential energy 3). heat energy 4). chemical energy |
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| 75. |
Remote sensing device has an Inbuilt source of1). X-ray 2). gray3). ultraviolet ray4). infrared ray |
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| 76. |
Lamberts law is related to 1). Reflection 2). Refraction 3). Interference 4). illumination |
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| 77. |
Fibre optics work on the principle of1). scattering of light 2). total internal absorption 3). total internal reflection 4). optical rotation |
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| 78. |
Noise is measured In1).Watt2).REM3).Centigrade4).Decibel |
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| 79. |
What changes will happen to a bowl of ice and water kept at exactly zero degree Celsius ?1).All ice will melt2).All water will become ice 3). No change will happen 4). Only some ice will melt |
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| 80. |
The centre of gravity of a sprinter during the race lies1). ahead of his feet2). behind his feet3). at the centre of the body4). to the left side of the body |
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| 81. |
The modulus of rigidity Is the ratio of 1). longitudinal stress to longitudinal strain 2). Volume stress to volume strain 3). shearing stress to shearing strain 4). tensile stress to tensile strain |
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| 82. |
The plastic material commonly used for making gear wheels is1).Polyesters2).Nylons3).Bakelite4).Polystyrene |
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| 83. |
When heated from 0° to 10°C volume of a given mass of water Will1).Increase gradually2).Decrease gradually3).Increase and then will decrease4).Decrease and then will increase |
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| 84. |
Tape recorder should not be kept near one of the following things:1).Clock2).Magnet3).Electrical switchboard4).Radio |
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| 85. |
Which one of the following has the highest value of specific heat?1).Glass2).Copper3).Lead4).Water |
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| 86. |
The oldest type of energy known to man is1). wind power 2). solar power 3). tidal energy4). geothermal energy |
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| 87. |
Which of the following instruments is used to measure humility?1). Kata Thermometer 2). Anemometer 3). Sling Psychomotor4). Clinical Thermometer |
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| 88. |
Which one of the following lenses should be used to correct the defect of astigmatism ?1). Cylindrical lens 2). Concave lens 3). Convex lens 4). Bifocal lens |
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| 89. |
The time period of a pendulum when taken to the Moon would1). remain the same 2). decrease 3). become zero 4). increase |
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| 90. |
A fountain pen Works on the principle of1). flow of liquids from higher to lower potential2).capillary action 3). Bernoullis principle 4). Viscosity of liquids |
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| 91. |
The radiation initially produced in fluorescent tube is1). (J) infrared2).ultraviolet3).microwaves4). X-rays . |
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| 92. |
Rain drops fall from great height. Which among the following statements is true regarding it?1). they fall with that ultimate velocity which are different for different droplets2). they fall with same ultimate velocity3).their velocity increases and they fall With different velocity on the earth4).their velocity increases and they fall with same velocity of the earth |
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| 93. |
Who among the following developed the technology of underground nuclear explosion ?1). Dr. Horn J. Bhabha 2). Dr. Vikram Sarabhai 3). Dr. Raja Ramanna 4). Dr. P. K. Iyengar |
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| 94. |
Water pipes in hilly areas often burst on a cold frosty night because1). the material of which pipes are made contracts due to cold and so breaks2). water in the pipes freezes and on freezing water expands so pipes break3). frost makes the pipes rusty so they break4). None of these |
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| 95. |
In a Laser (say neon laser) all the atoms emit the light waves of1). Same frequency 2). Same amplitude 3). Same phase 4). All of the above |
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| 96. |
Ice cubes are added to a glass of pure water and a glass of pure alcohol. The ice would be1). at a higher level in water 2). at a higher level in alcohol 3). at the same level in both4). floating in alcohol and sinking In water |
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| 97. |
Longitudinal waves cannot travel through1). Vacuum 2). Solid 3). Liquid 4). Gas |
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| 98. |
Cloudy nights are warmer compared nights because clouds mainly1). absorb heat from the atmosphere send it towards earth2).prevent cold waves from the sky descending on earth3). reflect back the heat given by earth4). produce heat and radiate toward earth |
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| 99. |
Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ?1). ionosphere 2). stratosphere 3). mesosphere4).exosphere |
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| 100. |
Which of the following is an example for cantilever beam?1).Diving board2).Bridge 3). Seesaw 4). Common balance |
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