Description : Who defined the law of gravitation? (1) Newton (2) Archimedes (3) Galileo (4) Faraday
Last Answer : (1) Newton Explanation: Sir Isaac Newton brought out his monograph, titled `Philosoplliae Naturalis Principia Mathematica,' in 1687. In this work, Newton described universal gravitation and ... gravitation, thus removing the last doubts about helio-centrism and advancing the Scientific Revolution.
Description : He was the first scientist to prove that Planets move around the sun? A. Archimedes B. Galileo Galilei (Answer) C. John Kepler D. None
Last Answer : B. Galileo Galilei (Answer)
Description : Who defined the law of gravitation ? (1) Newton (2) Archimedes (3) Galileo (4) Faraday
Last Answer : Newton
Description : In a mixer, the quantity, (v. L/D) is termed as __________ number (where, v = longitudinal velocity of material, L = length of the mixer, D = diffusivity in axial mixing). (A) Weber (B) Peclet (C) Brinkman (D) Schmidt
Last Answer : (B) Peclet
Description : A measure of the extent to which viscous heating is important relative to the heat flow resulting from the impressed temperature difference is represented by the __________ number. (A) Condensation (B) Grashoff (C) Stanton (D) Brinkman
Last Answer : (D) Brinkman
Description : The ratio of inertial forces to gravity forces is called the __________ number. (A) Mach (B) Froude (C) Euler (D) Weber
Last Answer : (B) Froude
Description : The ratio of inertial forces to elastic forces is called the __________ number. (A) Reynolds (B) Mach (C) Euler (D) Weber
Last Answer : (B) Mach
Description : Ratio of inertial forces to surface tension forces is called the __________ number. (A) Euler (B) Froude (C) Mach (D) Weber
Last Answer : (D) Weber
Description : The ratio of pressure forces to inertial forces is called the __________ number. (A) Froude (B) Euler (C) Reynold (D) Mach
Last Answer : (B) Euler
Description : Ratio of pressure and inertia force gives __________ number. (A) Weber (B) Mach (C) Euler (D) Froude
Last Answer : (C) Euler
Description : Euler number is defined as the ratio of inertia force to __________ force. (A) Pressure (B) Elastic (C) Gravity (D) Viscous
Last Answer : (A) Pressure
Description : ‘L/mG’ is the expression for (A) Absorption factor (B) Brinkman number (C) Slope of operating line in absorber (D) Slope of operating line in stripper
Last Answer : (A) Absorption factor
Description : Which of the following is not concerned with the heat transfer? (A) Brinkman number (B) Stanton number (C) Schmidt number (D) Peclet number
Last Answer : (C) Schmidt number
Description : Which of the following is directly concerned with the heat transfer? (A) Strouhal number (B) Sherwood number (C) Euler number (D) Grashoff number
Last Answer : (D) Grashoff number
Description : Which of the following is not a dimension-less parameter? (A) Euler number (B) Specific gravity (C) Fanning friction factor (D) None of these
Last Answer : (D) None of these
Description : Which of the following denotes the effect of compressibility in fluid flow? (A) Weber number (B) Mach number (C) Euler number (D) Reynolds number
Last Answer : (B) Mach numbe
Description : Which statement represents the following Euler diagram?
Last Answer : If someone lives in Austin, then that person lives in Texas.
Description : Pure Buckling uses the equation of (a) Rankin-Gordon (b) Euler (c) Stiffness (d) None
Last Answer : (b) Euler
Description : Which of the following connected simple graph has exactly one spanning tree? (A) Complete graph (B) Hamiltonian graph (C) Euler graph (D) None of the above
Last Answer : (D) None of the above
Description : Which of the following statement(s) is/are false? (a) A connected multigraph has an Euler Circuit if and only if each of its vertices has even degree. (b) A connected multigraph has an Euler Path but not an Euler Circuit if and only ... Codes: (A) (a) only (B) (b) and (c) (C) (c) only (D) (d) only
Last Answer : (D) (d) only
Description : The hydrodynamic and thermal boundary layers will merge, when (A) Prandtl number is one (B) Schmidt number tends to infinity (C) Nusselt number tends to infinity (D) Archimedes number is greater than 10000
Last Answer : (A) Prandtl number is one
Description : Separation of __________ employs gaseous diffusion process. (A) N2 and O2 from air (B) Isotopes of uranium (C) Isotopes of helium (D) SO2 and air
Last Answer : (B) Isotopes of uranium
Description : The equation, (NSt × N2/3 Pr ) = f/2, is the __________ analogy. (A) Colburn (B) Reynolds (C) Prandtl (D) None of these
Last Answer : (A) Colburn
Description : Fertiliser value of a nitrogenous fertiliser is expressed in terms of its __________ content. (A) N2 (B) KNO3 (C) NO2 (D) NHO3
Last Answer : (A) N2
Description : Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N2 & H2 is high. The presence of promoter along with the catalyst helps in ... B) Increasing the effectiveness (C) Improving the strength & heat resistance (D) All a, b & c
Last Answer : (D) All a, b & c
Description : Presence of nitrogen in high concentration in contaminated air reduces partial pressure of oxygen in lungs, thereby causing asphyxia (suffocation) leading to death from oxygen deficiency. Concentration of N2 in contaminated air at ... asphyxiate is ≥ __________ percent. (A) 84 (B) 88 (C) 80 (D) 92
Last Answer : (A) 84
Description : Fractional conversion __________ with increase in pressure for ammonia synthesis reaction i.e., N2 + 3H2 ⇌ 2NH3 . (A) Increases (B) Decreases (C) Remains unchanged (D) Unpredictable from the data
Last Answer : (A) Increases
Description : __________ gas is normally employed in B.E.T. method of finding out the surface area of catalyst. (A) N2 (B) H2 (C) CO2 (D) He
Description : Which law/principle of solid mechanics is similar/equivalent to Newton's law of viscosity in fluid mechanics? (A) Archimedes principle (B) Newton's second law of motion (C) Hooke's law (D) Newton's third law of motion
Last Answer : (C) Hooke's law
Description : Propulsion of rocket follows from the (A) Newton's second law of motion (B) Newton's third law of motion (C) Law of projectiles (D) Archimedes principle
Last Answer : Option B
Description : Which of the following is directly concerned with Psychrometry? (A) Lewis relationship (B) Galileo number (C) Weber number (D) Dean number
Last Answer : (A) Lewis relationship
Description : Which of the following is not concerned with the fluid-particle interaction? (A) Drag co-efficient (B) Froude number (C) Galileo number (D) Weber number
Last Answer : (D) Weber number
Description : Scientist Archimedes was a citizen of which country ?
Last Answer : He was a citizen of Greece.
Description : Want to know the biography of scientist Archimedes ?
Last Answer : Archimedes Greek scientist Archimedes (Ancient Greek: Ἀρχιμήδης Archimedes বর্তমান , now Greek Αρχιμήδης Archimedes) or Syracuse Archimedes (26-212 BC) is a Greek mathematician , physicist , ... discovered which sheds new light on his method of solving mathematical problems. Source: Wikipedia.
Description : State the formula of Archimedes ?
Last Answer : Archimedes' formula is that when an object is partially or completely immersed in a liquid or gaseous substance, the object seems to lose some weight. This lost weight is equal to the weight of the liquid or gaseous substance removed by the object.
Description : When did Archimedes reveal his principles ?
Last Answer : Archimedes published his policy in the 3rd century BC.
Description : Archimedes was a citizen of which country ?
Last Answer : Archimedes was a citizen of Greece.
Description : Archimedes is a citizen of which country ?
Last Answer : Archimedes is a Greek citizen.
Description : What is the formula of Archimedes ?
Last Answer : When a solid object is completely or partially immersed in a stationary or other gaseous substance, it seems to lose some amount of weight and the amount of that apparent weight loss is equal to the weight of the removed liquid or gaseous substance.
Description : Who is Archimedes ?
Last Answer : Archimedes (Ancient Greek: খ Archimedes , in modern Greek Αρχιμήδης Archimedes) or Syracuse Archimedes (26-212 BC) is a Greek mathematician , physicist , engineer , astronomer, and philosopher. Although ... help of his designed attack ship lifting device or a set of mirrors placed side by side.
Last Answer : Archimedes was a Greek mathematician
Description : Why the Archimedes' principle is not valid in case of an elevator accelerating upwards but it is valid for a car accelerating on a level road?
Last Answer : Need answer
Description : What is the difference between Bernoulli Principle and Archimedes principle?
Last Answer : Feel Free to Answer
Description : A sprayer works on the principle expounded by (a) Newton (b) Archimedes (c) Boyle (d) Pascal
Last Answer : Ans:(d)
Description : Rocket works on the principle of – (1) Newton's Third Law (2) Newton's First Law (3) Newton's Second Law (4) Archimedes Principle
Last Answer : (1) Newton's Third Law Explanation: The modern science of spaceflight and rockets rest on Newton's Three Laws of Motion, a set of ideas and equations developed in the 1600s. In particular, ... engines point rearward. The action of the engine thrust produces a reaction on the rocket, accelerating it.
Description : That an Iron ship floats in water but an Iron ball sinks, is an example of - (1) Newton's second law (2) Pascal's law (3) Archimedes Principle (4) Dalton's law
Last Answer : (3) Archimedes Principle Explanation: The floating of an iron ship in water is an example of Archimedes principle. Archimedes' principle states that an object floats on water if the weight of the water ... . Since the average density of the ship as a whole is less than the density of water.
Description : Hydraulic brakes in automobile work on – (1) Poiseuille's principle (2) Pascal's principle (3) Archimedes' principle (4) Bernoulli's principle
Last Answer : (2) Pascal's principle Explanation:The hydraulic brake is an arrangement of braking mechanism which uses brake fluid, typically containing glycol ethers or diethylene glycol, to transfer pres-sure from ... it travels equally in all directions so that uniform braking action is applied on all wheels.
Description : Purity of a metal can be determined with the help of – (1) Pascal's law (2) Boyle's law (3) Archimedes principle (4) Conservation of mass principle
Last Answer : (3) Archimedes principle Explanation: Purity of a metal can be determined with the help of Archimedes Principle which makes use of the densities and buoyancy of metals. Finding the density of a metal ... help to determine its purity. It is most commonly used in the checking the purity of gold.