technology

1.Quantity of heat is measured in A.degree celsius. B.kelvins. C.joules. D.amperes. 2.Which of the interest does not beget heat? A.Passing an electric catamenia with a wire. B.Adding a piece of zinc to hydro acid. C. rub your hands vigorously together. D.Sparying intoxicant on your leg. 3.The main arising of heat for the Earth is A.the Sun. B.the electric current. C.the fire of wood. D.the combustion of fossil fuels. 4.Which statement about heat is in line up? A. change travels meteoric by convection through a gas. B.Heat increases the temperature of a subtance. C.Heat can travel through solids, liquids and gases. D.A vainglorious aim contains more heat than a small fair game of the said(prenominal) temperature. air water 5.Which statements about the experiment shown in the diagram are correct? I Bubbles of air will be seen in the water. II Heat from the hands reaches the air in the flaskful by radiation. tri ple The air in the flask expands on warming. IV The flask is a poor music director of heat. A.II and IV except B.I,II and iii only C.I, threesome and IV only D.I,II,III and IV 6.In which situation depict below is an nonconductor of heat not accustom? A. internal-combustion engine blocks are cover with sawdust. B.The handle of a soldering press is made of plastic. C.

frying pan are made of aluminium. D.Birds bug their feathers on a cold day. 7.Which of the quest are the reasons wherefore mercury is used in thermometers? I It is a unattackable conductor of heat. II It has a high boiling point. III It contracts and expands uniformly at a! ll temperatures. A.I and II only B.I and III only C.II and III only D.I, II and III 8.Which of the following brand use of the contraction of metal? I Fixing of mobilise wires. II Gaps in railway tracks. III Bimetallic striptease artisan in a fire alarm. A.I and II only B.I and III only C.II and III only D.I, II and III 9.In which of the following subtances does...If you want to get a full essay, gear up it on our website: OrderCustomPaper.com

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