applied-science-mcq

After testing the material using destructive technique, the material _________ (a) can be used for intended purpose (b) can be used for intended purpose after some correction Answer (c) cannot be used for intended purpose (d) none of aboveThe viscous force between the adjacent liquid layers is inversely proportional to theThe weight of a person in air is 69kg, but weight of the same person in water may be 49kg, i.e. there is loss of weight due to ________ force.Which of the following statements is true for viscosity of liquids? (a) Viscosity increases with the increase in temperature (b) Viscosity increases with the decrease in temperature (c) Viscosity decreases with the increase in temperature (d) Viscosity decreases with the decrease in temperatureOne Watt = ______A train crosses a tunnel in 25 seconds. At the entry of the tunnel, its velocity is 54 km/hr and at the exit of the tunnel, the velocity is 72 km/hr. Then the length of the tunnel is_____A Car of mass 1500 Kg is moving with a Velocity 45 km/hr find the momentum of carA stone is released from the window of a moving train. The path of the particle as observed by a person on the ground isThe ratio of photon energy to its frequency isThe work function of a substance is 1.6 eV. Find the longest wavelength of light that can produce photoemission from the substanceLASER light is coherent _____n He-Ne LASER, the tube is filled with____A property of metal by virtue of which it can resist wear, penetration and scratching by other materials is known as itsAn alloy used in making parts of aeroplanes is...Chemical formula of copper pyrite ore is____Purification of blister copper is done by _______ method.The composition of Duralumin is..By using hard water, the Caustic embrittlement in boilers take place mainly due to the formation of __The substance that can be used as a coagulating agent in water treatment _During "COD test" of sewage, organic matter is oxidized by _______The reversal of solvent flow from higher concentration to lower concentration solution through semipermeable membrane” is the main principle of____________Combustion reaction of the fuel is _________ reaction.The fraction of petroleum used for preparing candles and boot polish is ________When a gaseous fuel is completely burned in presence of oxygen the product obtained, along with heat isMolecular Weight of Carbon dioxide is equal to