اللجنة العلمية مستوى ثالث كهرباء

1. ................. is a system uses solar panels to convert sunlight into electricity. * نقطة واحدة a. Solar energy b. Solar power c. Solar array d. Circuit 2. ISS orbits the earth every ................... * نقطة واحدة a. 60 minutes b. 90 minutes c. 35 minutes d. 32 minutes   هذا السؤال مطلوب 3. ................ is a material that electricity cannot flow through. * نقطة واحدة a. Conductor b. Insulator c. Semiconductor d. all of them 4. The following are grammatically wrong except: * نقطة واحدة a. They manufactured a machine before two weeks. b. They manufactured a machine two weeks ago. c. They have manufactured a machine two weeks ago. d. They manufactured the machine since two weeks. 5. ................................... is a material that has conductivity between insulators and conductors. * نقطة واحدة a. Conductor b. Insulator c. Semiconductor d. none 6. Wood and plastic are used as ........................ * نقطة واحدة a. conductors b. semiconductors c. insulators d. neither a nor c 7. ............... is used to remove the excessive heat in ISS. * نقطة واحدة a. Radiator system b. Rechargeable battery c. Solar power d. Climate control system 8. Copper is the most common ..................., and silicon is the most common .......................... * نقطة واحدة a. conductor / insulator b. conductor / semiconductor c. insulator / conductor d. insulator / semiconductor 9. Transistors, diode and computer microchips are made up of .................... * نقطة واحدة a. copper b. rubber c. silicon d. plastic 10.Computers are made up of ..................... * نقطة واحدة a. electronic circuits b. insulators c. circuit diagram d. none إرسال محو النموذج

1. Domestic consumption deals with .............. * نقطة واحدة a. direct current. b. alternating current. c. Both ( a & b ) d. none 2. ................. flows in one direction, and ............... changes directions. * نقطة واحدة a. Alternating current, direct current b. Direct current, alternating current c. Voltage, alternating current d. Resistance, voltage 3. Remember ..............the bus. * نقطة واحدة a. to locking b. to lock c. lock d. locking 4. The copper has less .............. than the nichrome wire. * نقطة واحدة a. voltage b. current c. resistance d. Both ( a & b ) 5. The frequency of direct current is .......... * نقطة واحدة a. zero b. 50 c. 60 d. 100 6. You should ............. the plane on time. * نقطة واحدة a. landing b. land c. to land d. landed 7. .............gives energy for electrons. * نقطة واحدة a. Current b. Resistance c. Voltage d. none 8. One of the following is grammatically correct: * نقطة واحدة a. Remember that you turn off the machine. b. Remember that turning the machine. c. You should remembering to turn off the machine. d. Remember to turning off the machine. 9. High voltage electricity is related to .................. * نقطة واحدة a. direct current b. alternative current c. both d. none 10. Heat or light is resulted due to ................. * نقطة واحدة a. current. b. potential difference. c. resistance. d. none. إرسال محو النموذج

1. A line going up in a graph shows ............................ * نقطة واحدة a. deceleration b. acceleration c. equilibrium d. (both a & b) 2. Controls of JetLev are found ............................. * نقطة واحدة a. onboard the jetback. b. in water. c.on the arms of the flyer. d. beneath the flyer. 3. Thrust is controlled in the JetLev by .................... * نقطة واحدة a. pulling arms up. b. twisting the hand grip. c. pushing arms down. d. shifting weight from one direction to the other. 4. Which one of the following is correct? * نقطة واحدة a. An aircraft designer works only during manufacturing it. b. An aircraft designer works during manufacturing it. c. b. It is not available that an aircraft designer works after manufacturing the aircraft. d. No aircraft designer works after the process of manufacture. 5. An insect is walking .................. the table. * نقطة واحدة a. under b. below c. among d. between 6. Passengers passed ............... the two mountains. * نقطة واحدة a. between b. among c. (both a & b) d. none 7. Thrust of JetLev is created because of ............ * نقطة واحدة a. the jetpack. b. the jetpack that uses a powered stream of water. c. the powered stream of water. d. the propulsion medium of land. 8. A machine designer .............. * نقطة واحدة a. has to look after what comes later on. b. only has to take care of his design. c. has to work alone professionally without liaising with other engineers. d. does not have to know about any crash might happen. 9. A student was sitting .............. the class. * نقطة واحدة a. at b. in c. for d. under 10. Go ............... the river to reach to the other direction * نقطة واحدة a. through b. along c. among d. between

1. What cares about distance and time is ............ * نقطة واحدة a. speed. b. velocity c. equilibrium. 2. The force produced by an engine to push a vehicle forward is ...... * نقطة واحدة a. thrust. b. wight. c. drag. 3. When the hot air and cold air are equal in a vehicle, this is called .............. * نقطة واحدة a. acceleration. b. deceleration. c. equilibrium. 4. Any type of abridge is based on the force of .......... * نقطة واحدة a. compression. b. tension. c. both 5. ................. is the force that acts against a movement. * نقطة واحدة a. Thrust b. Drag c. Lift 6. Any natural force is considered as one of the ............. of building a bridge. * نقطة واحدة a. materials b. considerations c. forces 7. One of these isn't related to common bridge types is ........ * نقطة واحدة a. cable stayed b. arch c. magnitude 8. ............... is not found in a rocket. * نقطة واحدة a. Thrust b. Drag c. Lift 9. The increase of velocity in a unit of time is called ............. * نقطة واحدة a. speed. b. acceleration. c. deceleration. 10. Concrete withstands ..............., and steel withstands ............... * نقطة واحدة a. compression ............. tension. b. tension ............... compression. c. compression ............... shear. إرسال محو النموذج

1. ............... is used to make sure the instruments are strong enough for the application they have been chosen for. * a. Test equipment b. Stiffness c. Quality 2. ............. is caused by two forces pulling a material in opposite directions. * a. Compression b. Tension c. Shear 3. .......... is caused by opposing forces that are out of line producing a cutting effort. * a. Shear b. Compression c. Bending 4. .............. is where one surface is in tension and the other surface is in compression. * نقطة واحدة a. Compression b. Bending c. Tension 5. Compression ................ the material. * نقطة واحدة a. stretches b. shortens c. cuts 6. .............. is a specialized form of mechanical test used to generate fatigue life. * نقطة واحدة a. Equipment test b. Fatigue test c. Measurement test 7. If there was a failure in a material test, there would be ...... * نقطة واحدة a. strength. b. stiffness. c. catastrophe. 8. The passive form of ''They applied measured loads at certain points'' is .......... * نقطة واحدة a. Measured loads were applied at certain points. b. Measured were applied loads at certain points. c. It has NO passive. 9. Engineering students generate thoughtful plans. * نقطة واحدة a. This sentence cannot be changed into passive. b. ''Thoughtful plans are generated'' is its passive. c. The sentence contains a subject, verb and subject complement. 10. ''The materials weren't manufactured by the company'' has ............ * a. an active voice b. a passive voice c. none

1. Tape measure is used to measure ........ * نقطة واحدة a. distance. b. weight. c. speed. 2. A physical quality measured by the unit that has the symbol 'A' is ....... * نقطة واحدة a. temperature. b. ampere. c. current.   هذا السؤال مطلوب 3. An action taken to design and manufacture a safe and effective product based on the required standards is ....... * نقطة واحدة a. quality control. b. inspection. c. quality assurance. 4. What is the ........ of the ruler in the picture? * نقطة واحدة a. speed b. high c. length 5. The manager has come early and seems satisfied. He ......... have fixed the machine he broke yesterday. * نقطة واحدة a. might b. must c. may 6. You ........... sell the product because it is out of tolerance. * نقطة واحدة a. must b. cannot c. may 7. Let me go and ask the boss. He ......... agree to delay receiving the product. * نقطة واحدة a. could b. must c. might 8. A quantity that influences the output or behavior of a mathematical object is called .... * نقطة واحدة a. diameter. b. parameter. c. unit. 9. Mass is considered as a ........... that is measured by kilogram. * نقطة واحدة a. physical quality b. unit c. diameter 10. A rejection slip is a report written by ..... for the purpose of ......... * نقطة واحدة a. a boss .... hiding the problem b. an inspector ...... rejecting products and not buying any other product from the company nest time. c. an inspector ..... explaining a problem and trying to solve it before selling the product.