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ACC Technical Questions
Posted on :12-04-2016
Q1. When the bull of a thermometer is covered by a cloth dipped in spirit the thermometer reading
a) increaseb) does not changec) decreasesd) decreases and then increases
Q2. Helium is symbolically represented as 42 He. The numbers of neutrons in it is
a) 6b) 4c) 2d) 8
Q3. Kinetic Energy of wind is used in
a) sail boat but not in wind millsb) wind mills but not in sail boatc) Both in sail boat and wind millsd) Neither sail boat nor wind mills
Q4. A piece of wood is held under water. The up thrust on it will be
a) equal to weight of wood pieceb) more than weight of wood piecec) zerod) less than weight of wood piece
Q5. If we put a blackened plate in the sun its temperature
a) will continuously increaseb) will continuously decreasec) will remain constantd) will increase for some time and become constant
Q6. The wall of a dam is made thicker at bottom since
a) pressure exerted by a liquid increases with its depthsb) pressure exerted is equal to its depthc) pressure exerted by liquid decreases with its depthd) pressure exerted does not depend on depth
Q7. During photosynthesis, oxygen is liberated because,
a) It is present in chloroplastb) It is by product of photosynthesisc) It is needed by all living thingsd) It is necessary for photosynthesis
Q8. The following table gives the densities of some liquids. 100 grams of these liquids was poured into four different beakers of the same size. The space occupied by each liquid in the beaker is shown below. Identify the liquids in each beaker.
a) 1-Vegetable oil, 2-Water, 3-petrol, 4-ethyl alcohol.b) 1-ethyl alcohol, 2-petrol, 3-water, 4-Vegetable oil.c) 1- Petrol, 2-ethyl alcohol, 3-Vegetable Oil, 4- Water.d) 1-Water, 2-Vegetable Oil, 3-ethyl alcohol, 4-petrol.
Q9. A washer man uses a little indigo blue after washing the clothes to
a) give blue colour to clothesb) to make yellowish tint of clothes whitec) to make them look goodd) to cover the stains on clothes
Q10. While working in kitchen, Nita spilt a cup of water in the salt jar, and Sona dropped a glass of water in pan filled with all which of the following method should they use to get the things right.
1. Strainer2. Separating Funnel3. Distillation4. Evaporation.
If N is for Nita, and S for Sona, Tick the correct option.
a) N-1, S-2b) N-2, S-3c) N-4, S-2d) N-3, S-4
Q11. Mt. Everest is approximately 9000 meter, above sea level. The atmosphere pressure at its summit would be about.
a) 18 cm of Mercuryb) 23 cm of Mercuryc) 30 cm of Mercuryd) 35 cm of Mercury
Q12. Pressure is inversely proportional to the area of contact. This principle is beautifully demonstrated by the Jacana. The Jacana or lily trotter is a bird capable of walking on floating lily leaves without sinking! Which of the following feet belongs to the Jacana?
Q13. From the above graph we can say that
a) Atmospheric pressure increases with increasing altitudeb) atmospheric pressure decreases with increasing altitudec) altitude has no influence on the atmospheric pressured) places at higher altitudes are very cool
Q14. Four gas jars are filled with four different gases - hydrogen, Oxygen, Carbon di oxide and Nitrogen.
Some of their physical and chemical properties are outlined in the table below. Identify the gas in gas jars 1,2,3 and 4
a) 1 - Oxygen, 2 - Hydrogen, 3 - Nitrogen, 4 - Carbondioxideb) 1 - Carbondioxide, 2 - Nitrogen, 3 - Hydrogen, 4 - Oxygenc) 1 - Nitrogen, 2 - Hydrogen, 3 - Oxygen, 4 - Carbondioxided) 1 - Oxygen, 2 - Nitrogen, 3 - Hydrogen, 4 - Carbondioxide
Q15. During on experiment, the boiling point of water was found to be 100.3°C instead of 100 degree C. Assuming that the thermometer used was not faulty, which of the following is not the right reason?
a) The atmospheric pressure could be lower than normal.b) These may be impurities present in water.c) The atmospheric pressure could be higher than normal.d) Both B and C
Q16. In which system of the pig does the bladder worm lodge itself?
a) Muscular systemb) Digestive Systemc) Circulatory Systemd) Excretory System
Q17. Which one of the graphs indicates that the object is stationary?
Q18. In which of the following figures is the rod XY likely to remain balanced, if it is initially balanced at its center of gravity?
Q19. Which one of the following graphs correctly represents the effect of heating on the volume of water?
Q20. Study the flow chart carefully and identify the smooth muscle.
Q21. Blood is grouped into A, B, AB and O depending on the presence or absence of an antigen. For an antigen the blood also has antibodies. Observer the diagram and answer the question.
Identify the location of the antigen / antibody in the blood.
a) On the R.B.C. / In the plasmab) In the plasma / In the plasmac) In the plasma / On the R.B.C.d) On the R.B.C. / On the R.B.C.
Q22. Our body is not crushed by atmosphere pressure since our blood?
a) exerts pressure which is lesser than the atmospheric pressureb) exerts pressure equal to atmospheric pressurec) exerts pressure slightly more than atmospheric pressured) does not exert any pressure
Q23. When a fuse is rated 8 Ampere it means
a) It will not work if current is less than 8 Ampereb) It has resistance 8 ohmc) It will work only if current is 8 Ampered) It will burn if the current exceeds 8 Ampere
Q24. Two bodies of mass M1 and M2 (M1 > M2) are dropped from a height. The ratio of time taken by them to reach the ground is
a) M1/ M2b) M2 / M1c) M12: M22d) 1:1
Q25. A toy boat is floating on water in a bucket. If some water is taken from the bucket and poured into the boat, the level of water in the bucket ------.
a) risesb) goes downc) remains samed) first rises and then goes down