Description : Is getting into a hot tub radiationconvection or conduction?
Last Answer : A hot tub heat is transferred by convection. Most hot tubs useforced convection while the hot tub pump circulates the water.
Description : What if your spoon is hot after leaving it in the pot that was on the stove is that conduction?
Last Answer : Feel Free to Answer
Description : Is cooking a hot dog over a campfire radiation or conduction?
Last Answer : radition
Description : By which of the following methods could a cup of hot coffee lose heat if placed on a metal table in a room? (a) Conduction and radiation (b) Conduction and convection (c) Convection and radiation (d) Conduction, convection, radiation and evaporation
Last Answer : Ans:(d)
Description : The atmosphere near the earth's surface is heated from below. Which of the following does not significantly contribute to this heating -----------? A. Conduction of heat upward from a ... infrared energy that has been radiated from the surface D. Heat energy from the earth's interior (Answer)
Last Answer : D. Heat energy from the earth’s interior (Answer)
Description : In pipe flow, heat is transferred from hot wall to the liquid by(A) Conduction only (B) Forced convection only (C) Forced convection and conduction (D) Free and forced convection
Last Answer : (C) Forced convection and conduction
Description : How likely is it that the melting ice caps on earth contain ancient viruses?
Last Answer : It’s a small worry, but the melting ice caps mean a lot bigger issues to worry about, things like Manhattan being under water.
Description : Is a propane "ice melt" torch effective for melting ice on a driveway?
Last Answer : No. But..I HAVE hooked up the garden hose to the hot water outlet in the garage that my washing machine hooks up to, and have hosed down icy areas with hot water to melt the ice. ;-)
Description : Which of these is the most likely result of the polar ice caps melting?
Last Answer : Fishes would be harmed by changes to the ocean water (apex)
Description : What is the latent heat of melting ice ?
Last Answer : The latent heat of melting ice is 60 calories.
Description : What is the melting point of ice or at what temperature does ice melt into water ?
Last Answer : : The melting point of Berber becomes ice water at a temperature of 0 সেল C or 0 সেল C.
Description : What is the relative latent heat of melting ice ?
Last Answer : Relative latent heat of melting ice 336000 jkg ^ -1
Last Answer : The latent heat of melting ice is 60 calories / gram.
Last Answer : Ice Melting point 0 ° C
Description : For reversible melting of ice at `0^(@)C` and 1 atm. Pressure, the value of `Delta G` will be :-
Last Answer : For reversible melting of ice at `0^(@)C` and 1 atm. Pressure, the value of `Delta G` will be :- A. `lt ... 0` (zero) C. 0 (zero) D. `oo` (infinity)
Description : How many degrees are there between the melting point of ice and boiling point of water?
Last Answer : On the centigrade scale there is 100.On the fahrenheit scale there is 180.
Description : Is ice cream melting a chemical change or a physical change?
Last Answer : Melting ice cream is a physical change because it has the ability to go back to it's frozen form and be ice cream again. The chemical identity of it isn't changed.
Description : The melting point of ice is ____ K.
Last Answer : 273.16
Description : One ton of the refrigeration is (a) the standard unit used in refrigeration problems (b) the cooling effect produced by melting 1 ton of ice (c) the refrigeration effect to freeze 1 ton of water at ... ice at 0°C in 24 hours (d) the refrigeration effect to produce 1 ton of ice at NTP conditions
Last Answer : Ans: c
Description : One ton of refrigeration is equal to the refrigeration effect corresponding to melting of 1000 kg of ice (a) in 1 hour (b) in 1 minute (c) in 24 hours (d) in 12 hours
Description : Melting point of ice _______. (1) increases with increase of pressure (2) decreases with increase of pressure (3) is independent of pressure (4) None of these
Last Answer : (2) decreases with increase of pressure Explanation: The melting point of ice at 1 atmosphere of pressure is very close to 0 °C (32 °F, 273.15 K); this is also known as the ice point.
Description : At hill stations, the boiling point of water will be – (1) same as at sea level (2) less than that at sea level (3) more than that at sea level (4) equal to the melting point of ice
Last Answer : (2) less than that at sea level Explanation: The boiling point is the temperature at which the vapour pressure of the liquid equals the environmental pressure surrounding the liquid. Atmospheric pressure ... The atmospheric pressure at high altitudes like hill station is less than at the sea level.
Description : When pressure is increased the melting point of ice – (1) increases (2) does not change (3) decreases (4) depends on the impurities in the ice
Last Answer : (3) decreases Explanation: In this case. if we increase the pressure on the ice the ice-water system wants to try to lower it again. It can do that by making itself fit into a ... the melting point of ice decreases because of the inversal relationship between the pressure and melting point of ice.
Description : The melting point of ice is-----? A. 00C (Answer) B. 1000C C. 40C
Last Answer : A. 00C (Answer)
Description : Impect of green house effect is: (A)Global warming (B) Ice melting (C) Sea formation (D) Sea level rise
Last Answer : (A)Global warming
Description : Which of the following decreases with increase in pressure? (A) Melting point of ice (B) Melting point of wax (C) Boiling point of liquids (D) None of these
Last Answer : (A) Melting point of ice
Description : Over-consolidation of soils is caused due to (A) Erosion of over burden (B) Melting of ice sheets after glaciations (C) Permanent rise of water table (D) All the above
Last Answer : Answer: Option D
Description : A large iceberg melts at the base, but not at the top, because of the reason that (A) Ice at the base contains impurities which lowers its melting point (B) Due to the high pressure at the base, its melting point ... C) The iceberg remains in a warmer condition at the base (D) All (A), (B) and (C)
Last Answer : (B) Due to the high pressure at the base, its melting point reduces
Description : Melting of ice is an example of an __________ process. (A) Adiabatic (B) Isothermal (C) Isometric (D) None of these
Last Answer : (B) Isothermal
Description : Melting of ice exemplifies a/an (A) Adiabatic process (B) Endothermic reaction (C) Exothermic reaction (D) Process involving a chemical reaction
Last Answer : (B) Endothermic reaction
Description : Which of the following exemplifies an adiabatic process? (A) Melting of ice (B) Condensation of alcohol vapor (C) Sudden bursting of a cycle tube (D) Evaporation of water
Last Answer : C) Sudden bursting of a cycle tube
Description : Pick out the correct statement. (A) Like internal energy and enthalpy, the absolute value of standard entropy for elementary substances is zero (B) Melting of ice involves increase in enthalpy and ... of an ideal gas depends only on its pressure (D) Maximum work is done under reversible conditions
Last Answer : (D) Maximum work is done under reversible conditions
Description : The atmospheric temperature during melting of ice/snow (in the atmosphere) (A) Decreases (B) Increases (C) Remain same (D) May increase or decrease; depends on the altitude where snow melts Answer
Last Answer : A) Decreases
Description : Which of the following does not have a sharp melting point? (A) Thoria (B) Glass (C) Ice (D) Pig iron
Last Answer : (B) Glass
Description : . At the Melting Moments, an ice cream parlour, customers place their orders, watch their ice- cream sundaes being prepared, and then quickly eat the sundaes in the store before the ice cream ... known as A. Inseparability B. Intangibility C. Heterogeneity D. Perishability E. Dependency
Last Answer : D. Perishability
Description : Ice skating is possible and practical because of a unique property of water. Is it because: w) The coefficient of kinetic friction of steel on frozen water decreases with decreasing temperature x ... sublimes y) The melting point decreases with increasing pressure z) Ice is a good thermal insulator
Last Answer : ANSWER: Y -- THE MELTING POINT DECREASES WITH INCREASING PRESSURE
Description : At hill stations, the boiling point of water will be (1) same as at sea level (2) less than that at sea level (3) more than that at sea level (4) equal to the melting point of ice
Last Answer : less than that at sea level
Description : When pressure is increased the melting point of ice (1) increases (2) does not change (3) decreases (4) depends on the impurities in the ice
Last Answer : decreases
Description : Ice glacier’s melting is a common phenomenon linked to the rise in seawater level. The glaciers are predominantly present in (1) Greenland (2) Antarctica (3) Himalayas (4) Arctic
Last Answer : Antarctica
Description : Statement-1:Cast iron is different from pig iron. Statement-2: Cast iron is made by melting pig iron with scrap iron and coke using hot air blast and
Last Answer : Statement-1:Cast iron is different from pig iron. Statement-2: Cast iron is made by melting pig ... Statement-1 is false but Statement -2 is true
Description : The filament of an electric lamp becomes white hot but the lead-in wires holding the filament are only slightly heated because they (a) have smaller current passing through them (b) have very low resistance (c) have higher melting point (d) are made of black iron
Last Answer : Ans:(b)
Description : Which of the following produces more severe burns? (1) Boiling water (2) Hot water (3) Steam (4) Melting Iceberg
Last Answer : (3) Steam Explanation: A burn is an injury to the body's tissue resulting from heat, chemicals, electricity or sunlight. Burns are often classified as first degree (those causing damage to the ... deepest and most severe damage destruction of all layers of the skin and damage to tissues underneath.
Description : Since fuse elements are made of zinc or any alloy of tin and lead, the melting point of the fuse element must be _____________. A. higher than that of copper B. lower than that of copper C. equal to that of copper D. reached when the conductor it is protecting becomes 'white hot.'
Last Answer : Answer: B
Description : Hot dipping process is used for coating a low melting point metal (e.g. Pb, Sn, Zn) on iron, steel & copper having relatively higher melting points. Which of the following is not a hot dipping process? (A) Galvanising (B) Tinning (C) Sherardizing (D) None of these
Last Answer : (C) Sherardizing
Description : Which of the following produces more severe burns ? (1) Boiling water (2) Hot water (3) Steam (4) Melting iceberg
Last Answer : Steam
Description : A teenager has swelling involving his upper lip, the corner of his nose and a region under his left eye. The swollen area is soft, fluctuant and pointed on the labial plate under his ... and test vitality of his teeth E. Write prescription for antibiotics and delay treatment until swelling is
Last Answer : A. Refer him to physician IV abs riesgo de thrombosis de seno cavernoso
Description : Do you see portable stove/burner hot plate, shown in the detail without having to really search?
Last Answer : Duh ? ?
Description : When heating a beaker of H20 on a hot plate there are 3 types of energy conversions?
Last Answer : Need answer