[{"id":119572,"question":"The vibrations of factory floor caused by the running of heavy machinery is an example of","choices":[{"text":"free vibration","value":"A"},{"text":"natural vibrations","value":"B"},{"text":"forced vibrations","value":"C"},{"text":"all of them","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":119571,"question":"A physical system under going forced vibrations is known as","choices":[{"text":"Simple harmonic oscillator","value":"A"},{"text":"Compound harmonic oscillator","value":"B"},{"text":"Physical harmonic oscillator","value":"C"},{"text":"driven harmonic oscillator","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":119568,"question":"In a transistor, if the central region is p-type then this type of transistor is known as","choices":[{"text":"p-n-p transistor","value":"A"},{"text":"n-p-n transistor","value":"B"},{"text":"either of these","value":"C"},{"text":"none of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":119567,"question":"Which of the following diodes can operate in the reverse biased condition","choices":[{"text":"photo diode","value":"A"},{"text":"light emitting diode","value":"B"},{"text":"photo voltaic cell","value":"C"},{"text":"none of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":119566,"question":"Which of the following diode is used to derive the current in external circuit when light is incident in the circuit","choices":[{"text":"photo diode","value":"A"},{"text":"light emitting diode","value":"B"},{"text":"photo voltaic cell","value":"C"},{"text":"none of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":119563,"question":"F = I(L x B) is a","choices":[{"text":"vector","value":"A"},{"text":"scalar","value":"B"},{"text":"unit vector","value":"C"},{"text":"none of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":119561,"question":"The gavanometer constant of a moving coil galvanometer is given by","choices":[{"text":"K=BAN/C","value":"A"},{"text":"K=BN/CA","value":"B"},{"text":"K=NAC/B","value":"C"},{"text":"K=C/BAN","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":119559,"question":"When the waveform of one voltage is increasing and that of second is decreasing and vice versa, then phase difference between these voltage is","choices":[{"text":"90<span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">°</span>","value":"A"},{"text":"75<span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">°</span>","value":"B"},{"text":"0<span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">°</span>","value":"C"},{"text":"180<span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">°</span>","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":119557,"question":"The CRO is used for displaying the waveform of a given","choices":[{"text":"current","value":"A"},{"text":"voltage","value":"B"},{"text":"both of them","value":"C"},{"text":"none of them","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":119556,"question":"The voltage increases linearly with","choices":[{"text":"time","value":"A"},{"text":"velocity","value":"B"},{"text":"acceleration","value":"C"},{"text":"torque","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":119554,"question":"How many number of anodes used in electron gun","choices":[{"text":"one","value":"A"},{"text":"two","value":"B"},{"text":"three","value":"C"},{"text":"six","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":119548,"question":"If a nucleus emits an alpha particle, its mass number decreases by 4 while charge number decreased by","choices":[{"text":"-4","value":"A"},{"text":"4","value":"B"},{"text":"2","value":"C"},{"text":"1","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":119547,"question":"Albert Einstein got the Nobel prize in physics for his explanation of photoelectric effect in","choices":[{"text":"1916","value":"A"},{"text":"1919","value":"B"},{"text":"1921","value":"C"},{"text":"1923","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":119546,"question":"The liquid which conduct current is known as","choices":[{"text":"heating effect","value":"A"},{"text":"chemical energy","value":"B"},{"text":"electrolyte","value":"C"},{"text":"ohm's law","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":119543,"question":"A carnot cycle consists of","choices":[{"text":"One step","value":"A"},{"text":"two step","value":"B"},{"text":"three steps","value":"C"},{"text":"four steps","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":119486,"question":"The application of Bernoulli's equation is","choices":[{"text":"Torricelli's theorem","value":"A"},{"text":"Venture relation","value":"B"},{"text":"Binomial theorem","value":"C"},{"text":"Both a and b","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":119485,"question":"Bernoulli's equation is important in the field of","choices":[{"text":"Electrical circuit","value":"A"},{"text":"Magnetism","value":"B"},{"text":"Photoelectric effect","value":"C"},{"text":"Flow of fluids","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":119484,"question":"Bernoulli's equation is based upon law of conservation","choices":[{"text":"Mass","value":"A"},{"text":"Momentum","value":"B"},{"text":"Energy","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":119482,"question":"With increase of temperature, the viscosity of liquid and gases","choices":[{"text":"Increases for both","value":"A"},{"text":"Decreases for both","value":"B"},{"text":"Increases for liquids and decreases for gases","value":"C"},{"text":"Decreases for liquids and increases for gases","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":119480,"question":"The velocity of falling raindrop attains limited value because of","choices":[{"text":"Up trust of air","value":"A"},{"text":"Viscous force exerted by air","value":"B"},{"text":"Surface tension effect","value":"C"},{"text":"Air currents atmosphere","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":119477,"question":"The SI unit of viscosity is","choices":[{"text":"kg m<sup>-1</sup>s<sup>-1</sup>","value":"A"},{"text":"kg ms<sup>-1</sup>","value":"B"},{"text":"kg m<sup>-1</sup>s<sup>-2</sup>","value":"C"},{"text":"kg m<sup>-1</sup>s","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":119475,"question":"Matter is made up of very tiny particles called","choices":[{"text":"Atoms","value":"A"},{"text":"Molecules","value":"B"},{"text":"Ions","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":119473,"question":"A fluid at a certain point has 50 J of potential energy per unit volume, 75 J of kinetic energy per unit volume,and 35 J of pressure energy per unit volume. the total energy of the fluid is","choices":[{"text":"125 J","value":"A"},{"text":"90 J","value":"B"},{"text":"160 J","value":"C"},{"text":"85 J","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":119471,"question":"The equation of continuity<div>A<sub>1</sub>V<sub>1</sub>= A<sub>2</sub>V<sub>2</sub>is for the flow of</div>","choices":[{"text":"an ideal fluid","value":"A"},{"text":"an incompressible fluid","value":"B"},{"text":"a non visconcous fluid","value":"C"},{"text":"all of the above","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":119468,"question":"What is another name for laminar flow?","choices":[{"text":"streamline","value":"A"},{"text":"unsteady flow","value":"B"},{"text":"turbulent flow","value":"C"},{"text":"both (a) and (b)","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":119466,"question":"Blood pressure is measured in torr. Which of the following units could belong to torr?","choices":[{"text":"N m<sup>-1</sup>","value":"A"},{"text":"N m<sup>-2</sup>","value":"B"},{"text":"N m","value":"C"},{"text":"N<sup>-1</sup>m<sup>-2</sup>","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":119464,"question":"Fluids have three types of energies. The Bernoulli's equation combines those energies.which of the following is one of the three enrgies possessed by a fluid?","choices":[{"text":"potential energy","value":"A"},{"text":"pressure energy","value":"B"},{"text":"strain energy","value":"C"},{"text":"(a) and (b) only","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":119462,"question":"The flow of an ideal fluid is","choices":[{"text":"streamline flow","value":"A"},{"text":"incompressible flow","value":"B"},{"text":"non-viscous","value":"C"},{"text":"all of the above","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":119461,"question":"Which of the following is a characteristic of an ideal fluid?","choices":[{"text":"it is non-viscous","value":"A"},{"text":"it is incompressible","value":"B"},{"text":"it's motion is steady","value":"C"},{"text":"all of the above","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":119460,"question":"The value for systolic blood pressure for a normal healthy person is","choices":[{"text":"140 torr","value":"A"},{"text":"80 torr","value":"B"},{"text":"90 torr","value":"C"},{"text":"120 torr","value":"D"},{"value":"E"}],"correctAnswer":4}]