The Below free imsu Post Utme 2013 is for Imo state University OF BASIC MEDICAL Sciences, ENGINEERING, SCIENCES AND SCIENCE EDUCATION [MORNING ] GENERAL PAPER 1. Which of these will obey ‘ohm law when connected to the terminal of a battery? a. tungsten wire b. diode c. resistor d. transistor 2. To produce direct current from a dynamic we use a. two slip rings. b. a split ring c. one slip ring d. two split rings 3. An electric heater rated 15v, 40watts supplies heat to a body of mass 1.5kg and specifies heat capacity of 460JkgE’K’ for. 5 minutes. Calculate the ‘temperature rise of the body if no heat is lost. a. 12°C b. 1.74°C c. 1.3°C d. 17.4°C 4. The velocity of ‘a body of mass 250kg is steadily 50km/hi Its kinetic energy is a. 12.51K1 b. 5.OKJ c. 25KJ d. 625KJ 5. Which of these is odd? a. force b. speed c. acceleration d. displacement 6. A trick of mass 259kg moves with a uniform velocity of 36kmJh. Its energy is a. 9,000J b. 162KJ c. 324KJ d. 648KJ 7. Mirage is as a result of a. total reflection b. total internal refraction c. total internal reflection d. mono refraction 8. Impedance is the resistance offered by a. resistor b. indicator. C. capacitor d. inductor and capacitor combined 9. Calculate the resonance frequency of a circuit with a 4H inductance coil and 3uF capacitor in series. . a. 56.0Hz b. 0.018Hz c:0.02HED d. 100HE 10. When two plan mirrors are inclined at angle of 60° the number of images formed is a. 3 b.5 c.6 d.l1 11. Which of these can covert sound energy to electrical energy a. loudspeaker b. telephone c. A/C generator d. microphone 12. A 50kg mass is lifted up 5 metres in 5 seconds. If acceleration due to gravity is 10m/s2 the power utilized is a. 200w b. 500w c. 250w d. 100w 13. A stone at the bed of a stream which is 7.5m deep is viewed by a boy. If the refractive index of the stream is 1.33, how close to the surface of the stream will the stone apparently be. a. 6.17m b. 8.83m c. 2.82m .d. 5.64m 14. If the electronic configuration of an element is iS2 2S2 2P5, how many unpaired electrons are there? a.1 b.2 c.3 d.5 15. Which of the following alloys contain iron? a. steel and permalloy b. duralumin and steel c. soft solder and duralumin d. brass and bronze. 16. The density of a certain gas is 1.98gdnf3 at S.T.P what is the molecular mass of the gs? a. 26.0g b. 31.0g c. 54.0g d. 44.og (molar volume of a gas at s:t.p = 22.4dm3) 17. The oxidation state of chlorine in HC104 is a. -1 b. -5 c. +7 d. +1 18. A hydrocarbon x with a molecular mass of 26 consist of 92.3% carbon. What is its molecular formula? a. C2H2 ‘b. C3H3 c. C4H4 d. C5H5 19. What volume of 11.0m hydrochloric acid must be diluted to obtain 1dm3 of 0.05m acid? 20. Which of the following physical properties decreases down a group in the periodic table? a. atomic radius b. ionic radius c. electropositivity d. elcctronegativity 21. Aromatic and aliphatic hydrocarbons can be distinguished from each other by the a. action of bromine b. use of polymerization reaction c. action of heat d. use of oxidation reaction 22. If 30cm3 of oxygen diffuses through a porous plug in 7s, how long will it take 60cm3 of chlorine to diffuse. a. 12s b. 14s c. 21s d. 30s (0 =. 16, Cl = 35.5) 23. Which of the following compounds is a soapless detergent? a. C12H25OS03Na b. C17H35COONa c. C5H5OH d. C4H9COOC2H5 24. In order to remove one electron from a 3S orbital of gaseous sodium atom, about 496KJmol-1 of energy, is required. This energy is referred to as a. electron affinity b. ionization energy c. activation energy d. electronegativity 25. The entropy and enthalpy of a system are a measure of a. degree of disorderliness and heat content respectively b. heat content and degree of disorderliness respectively c. heat content of a system only d. degree of disorderliness only - See more at: myedu.ng/imsu-post-utme-2013-past-questions-and-answer-free/#sthash.67VWIzC9.dpuf
Posted on: Sat, 27 Jul 2013 12:20:33 +0000
Trending Topics
Recently Viewed Topics
© 2015