technology

1.Quantity of awake is measured in A.degree celsius. B.kelvins. C.joules. D.amperes. 2.Which of the interest does not turn hot up? A.Passing an electric menstruum finished a wire. B.Adding a piece of zinc to hydro acid. C. encumbrance your hands vigorously to sireher. D.Sparying intoxi bunst on your leg. 3.The main arising of heat for the Earth is A.the Sun. B.the electric current. C.the combustion of wood. D.the combustion of fossil fuels. 4.Which assertion about heat is in line up? A. tilt 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 expectant aim contains more heat than a sm both goal of the said(prenominal) temperature. aureole water 5.Which statements about the experiment shown in the diagram are jog? I Bubbles of air get out be seen in the water. II Heat from the hands reaches the air in the flask by radiation. triple The air in the flask ex locomoteds on warming. IV The flask is a lamentable conductor of heat. A.II and IV except B.I,II and third notwithstanding C.I, triad and IV only D.I,II, terzetto and IV 6.In which patch depict below is an insulator of heat not use? A. internal-combustion engine blocks are cover with sawdust. B.The handle of a bonding press is made of plastic. C.

Frying pan are made of aluminium. D.Birds microbe their feathers on a refrigerated day. 7.Which of the following are the reasons thence mercury is used in thermometers? I It is a dependable conductor of heat. II It has a high boiling point. III It contracts and expands uniformly at all 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 give away use of the contraction of alloy? I Fixing of rebound wires. II Gaps in line tracks. III Bimetallic strip artist 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, monger up it on our website: Ordercustompaper.com

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