Description : A uniform rope of mass M=0.1kg and length L=10m hangs from the celling. `[g=10m//s^(2)]` :-
Last Answer : A uniform rope of mass M=0.1kg and length L=10m hangs from the celling. `[g=10m//s^(2) ... in the rope remain constant along the length of the rope
Description : A vibrating system having mass 1kg, a spring of stiffness 1000N/m and damping factor of 0.632 and it is put to harmonic excitation of 10N. Find the amplitude at resonance. A 0.079 B 7.9C 0.056 D 0.00791
Last Answer : D 0.00791
Description : 1 kg of wood contains 15% moisture and 5% hydrogen by weight. How much water is evaporated during complete combustion of 1kg of wood? a) 0.6 kg b) 200 g c) 0.15 kg d) none of the above
Last Answer : b)200 g
Description : What is newton equal to it terms of units of mass and acceleration?
Last Answer : Need answer
Description : Which of the following statements is incorrect? (a) The mass of a body is not the same as its weight (b) Mass is a measure of quantity of matter whereas weight is a force (c) Mass of a ... but its weight remains constant (d) In the MKS system, mass is expressed in kilogram and weight in newton
Last Answer : Ans:(c)
Description : How much does an object having the mass of 100kg weight in newton. a. 981 N b. 991 N c. 981.6 N d. 980.1N F = ma
Last Answer : 900,000lb/hr;625 ft/s981 N
Description : 1 N (newton) is equal to A. 102 dynes B. 103 dynes C. 104 dynes D. 105 dynes
Last Answer : 105 dynes
Description : A Newton is equal to which of the following? w) kilogram-meter per second x) meter per second squared y) kilogram-meter per second squared z) kilogram per meter-second
Last Answer : ANSWER: Y -- KILOGRAM-METER PER SECOND SQUARED
Description : There was a fat man. He was being chased by zombies. The only way to get away was to cross a rope bridge. The rope bridge could only carry 80kg and the man was 79kg. The fat man had 2 things he needed to carry. Each weighed 1kg. How was he going to get across? -Riddles
Last Answer : Juggle the 2 things while getting across.
Description : What fraction is 1kg in 250 g?
Last Answer : 250/1000
Description : Standard enthalpy of formation of ethane is -84.7kjper mol calculate the enthalpy change for the formation of 0.1kg ethane
Last Answer : Standard enthalpy of formation of ethane is -84.7kjper mol calculate the enthalpy change for the formation of 0.1kg ethane
Description : `1kg` piece of copper is drawn into a wire `1mm` thick and another piece into a wire `2mm` thick. Compare the resistance of these wires.
Last Answer : `1kg` piece of copper is drawn into a wire `1mm` thick and another piece into a wire `2mm` thick. Compare the resistance of these wires.
Description : What is greater 1kg or 100g?
Last Answer : 1
Description : How many times heavier is 1kg to 500g?
Last Answer : Feel Free to Answer
Description : How much would the boiling point of water increase if 4 mol of NaCl were added to 1kg of water?
Description : How much salt is in 1kg of ocean water?
Last Answer : How much salt is in 1kg of water
Description : What percent of 1kg is 250g?
Last Answer : 4
Description : Evaporation of 1kg of water from a solution in a single effect evaporator requires about __________ kg of steam. (A) 0.4 - 0.6 (B) 1-1.3 (C) 1.8-2 (D) 2 - 2.4
Last Answer : (B) 1-1.3
Description : Flat Rate parcel price 1Kg, 2 Kg & 5 Kg are a) 125,200 & 400 b) 100,150 & 200 c) 50,100 &150 d) None of these
Last Answer : a) 125,200 & 400
Description : Stoichiometric combustion of 12 kg of carbon requires __________ of oxygen. (A) 1kg mole (B) 22.4 Nm3 (C) 32 kg (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : Water (specific heat cv= 4.2 kJ/ kg ∙ K ) is being heated by a 1500 W h eater. What is the rate of change in temperature of 1kg of the water? A. 0.043 K/s B. 0.179 K/s C. 0.357 K/s D. 1.50 K/s Formula: Q = mcv ( T)
Last Answer : 0.179 K/s
Description : The amount of heat required to raise the temperature of 1kg of water through 1 °C is called ______. A. Calorie B. Joule C. BTU D. Kilocalorie
Last Answer : Kilocalorie
Description : What is the amount of heat needed to turn 1kg of the substance at its boiling point from the liquid to the gaseous state? A. Heat of fusion B. Heat of vaporation C. Heat of condensation D. Heat of fission
Last Answer : Heat of vaporation
Description : Tea and Coffee are perfect substitute of each other, given the price of Tea and Coffee being `100 and `200 per Kg. a consumer is prepared to buy 3 Kg. of each. If the price of tea remain same and the price of ... elasticity of substitution between Tea and Coffee is (a) 1 ; (b) 4 ; (c) 5 ; (d) 3
Last Answer : (c) 5 ;
Description : Determine the amount of heat required to produce 1Kg of steam at a pressure of 7 bar, at a temperature 29 degree Celsius, under the following . (i) When the steam is wet having dryness fraction 0.87 (ii) When the steam is dry saturated Assume specific heat = 2.35KJ/KgK
Last Answer : P 7bar T 29ᵒC x=0.9 m =1kg C p =2.35 KJ/KgK At pressure 7 bar saturation Temp T sat =165 ᵒC h f =697.2 KJ/Kg h fg= 2064.8 KJ/Kg i) Heat required when steam is wet ... ) When the stem is dry saturated hg=hf+hfg =2762 kj Heat actually required = 2762-121.8 = 2640.2 kj
Description : The force which produces an acceleration of 1 m/sec2 in a mass of 1 kg is called a.100 ergs b.one Newton c.one watt d.One erg e.one joule
Last Answer : b. one Newton
Description : One joule is the energy required to (A) Raise the temperature of 1 gm of water by 1°C (B) Raise the temperature of 1 kg of water by 1°C (C) Move a mass of 1 gm by 1 cm distance by a force of 1 Newton (D) Move a mass of 1 kg by 1 m distance by a force of 1 Newton
Last Answer : Answer : D
Description : The unit of mass in S.I. units is (a) kilogram (b) gram (c) tonne (d) quintal (e) newton
Last Answer : Answer : a
Description : Two rods, one of copper and other of steel, experience the same up thrust when placed in water. Thus, both have – (1) equal volume (2) equal weight (3) equal density (4) equal mass
Last Answer : (1) equal volume Explanation: When a body is placed in water, the upthrust or buoyant force acting on it depends upon the following factors: (1) Volume of the body submerged in the liquid - (V), or volume of ... (V); (ft) Density of the liquid - (d); and (Hi) Acceleration due to gravity In-line.
Description : Two rods, one of copper and other of steel, experience the same upthrust when placed in water.Thus, both have (1) equal volume (2) equal weight (3) equal density (4) equal mass
Last Answer : equal volume
Description : How many laws of motion did Newton discover ?
Last Answer : Scientist Newton discovered 3 laws of motion .
Description : In what year did Newton publish the dynamics ?
Last Answer : Newton published the law of motion in 1687 .
Description : What formula did Newton use when a boatman sails a boat ?
Last Answer : A sailor applied Newton's 3rd law while sailing .
Description : The quantum theory of light was given by – (1) Einstein (2) Plank (3) Newton (4) Faraday
Last Answer : (2) Plank Explanation: The Quantum theory of light was first discovered by Max Planck. In 1900, Planck, attempting to explain body radiation suggested that although light was a wave.
Description : What is the SI unit of frequency? (1) Newton (2) Watt (3) Farad (4) Hertz
Last Answer : (4) Hertz Explanation: The number of waves or vibrations passing through a point in one second is called Frequency. The SI (System International) Unit of Frequency is Hertz(Hz).
Description : Which unit we use to express nuclear sizes? (1) Tesla (2) Newton (3) Fermi (4) None of above
Last Answer : (3) Fermi
Description : The scientist who first discovered that the Earth revolves round the Sun was - (1) Newton (2) Dalton (3) Copernicus (4) Einsteirn
Last Answer : (3) Copernicus Explanation: Nicolaus Copernicus was a Polish astronomer who put forth the theory that the Sun is at rest near the center of the Universe, and that the Earth, spinning on its axis once daily, revolves annually around the Sun.
Description : If no external force acts on a system of bodies, the total linear momentum of the system of bodies remains constant. Which law states this? (1) Newton first law (2) Newton second law (3) Newton third law (4) Principle of conservation of linear momentum
Last Answer : (4) Principle of conservation of linear momentum Explanation: Principle of conservation of linear momentum states If no external force acts on a system of bodies, the total linear momentum of the system of bodies remains constant.
Description : Who developed the theory of Evolution? (1) Charles Darwin (2) Isaac Newton (3) Pranav Mistry (4) Galileo Galilei
Last Answer : (1) Charles Darwin Explanation: Summary of Darwin's Theory of Evolution: A species is a population of organisms that interbreeds and has fertile offspring.
Description : What is the telescope designed to search for earth-size planets in the nearby region of our galaxy, termed as? (1) Hubble telescope (2) Kepler telescope (3) Copernicus telescope (4) Newton telescope
Last Answer : (1) Hubble telescope Explanation: The Hubble Space Telescope (HST) is a space telescope that was launched into low Earth orbit in 1990 and remains in operation.
Description : Who enunciated the laws of planetary motion? (1) Nicolaus Copernicus (2) Johannes Kepler (3) Isaac Newton (4) Galileo
Last Answer : (2) Johannes Kepler Explanation: Kepler's laws of planetary motion are three scientific laws describing orbital motion, each giving a description of the motion of planets around the Sun. The laws are: the ... of a planet is directly proportional to the cube of the semi-major axis of its orbit.
Description : Who measured the velocity of light first? (1) Galileo (2) Newton (3) Romer (4) Einstein
Last Answer : (3) Romer Explanation: Galileo is often credited with being the first scientist to try to determine the speed of light. Galileo's experiment was carried out by the Accademia del Cimento of Florence ... 11 microseconds. The first quantitative estimate of the speed alight was made in 1676 by Romer.
Description : Newton is used to measure ______. (1) Speed (2) Volume (3) Force (4) Area
Last Answer : (3) Force Explanation: The newton (N) is the International System of Units (SI) derived unit of force. It is named after Isaac Newton in recognition of his work on classical mechanics, specifically Newton's second law of motion.
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.
Last Answer : (4) Principle of conservation of linear momentum Explanation: Principle of conservation of linear momentum states if no external force acts on a system of bodies, the total linear momentum of the system of bodies remains constant.
Description : Units of strain are A. Newton B. Joules C. Watt D. no units
Last Answer : no units
Description : Units of stress are A. Newton B. Joules C. Pascal D. Watt
Last Answer : Pascal
Description : Which of the following is NOT an SI unit of measure? w) watt x) newton y) joule z) erg e) second
Last Answer : ANSWER: Z -- ERG
Description : The first reflecting telescope was built by: w) Galileo x) Copernicus y) Tycho Brahe z) Isaac Newton
Last Answer : ANSWER: Z -- ISAAC NEWTON