This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part I) Chapter 1 Solid State – Quiz 54 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 54 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In a four quadrant mode of operation, First quadrant represents: A) Forward Motoring. B) Forward Braking operation. C) Reverse Motoring operation. D) Reverse Braking operation. Show Answer Correct Answer: A) Forward Motoring. 2. An ionic compound of X and Y has NaCl type structure. If radius of Y(-) is 200 pm then the ideal radius of X(+) idealy will be, A) 30 pm. B) 50 pm. C) 45 pm. D) 82.8 pm. Show Answer Correct Answer: D) 82.8 pm. 3. What is the main information provided by the spacing of peaks in a diffractogram? A) The elements present in the sample crystals. B) Which crystal group the sample belongs to. C) The number of crystals in the sample. D) The number of X-rays absorbed by the sample. E) All of the above. Show Answer Correct Answer: B) Which crystal group the sample belongs to. 4. Holding current is ..... than Latching Current A) Higher. B) Lesser. C) Equal. D) Directly propotional. Show Answer Correct Answer: B) Lesser. 5. In solid state welding, why might the capital investment be higher compared to other welding methods? A) It requires skilled operators. B) It involves complex welding processes. C) It produces poor-quality welds. D) The weld quality and suitability are more favorable. Show Answer Correct Answer: D) The weld quality and suitability are more favorable. 6. An element (atomic mass = 60) having FCC unit cell has a density of 6.23g cm$^{-3}$ .What is the edge length of the unit cell? A) 10 nm. B) 20 nm. C) 30 nm. D) 40 nm. Show Answer Correct Answer: D) 40 nm. 7. How many atoms are present in body centred unit cell A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 8. The total number of tetrahedral voids and octahedral voids per unit cell of face-centred cell (fcc) are A) 8, 4. B) 4, 8. C) 2, 4. D) 4, 2. Show Answer Correct Answer: A) 8, 4. 9. Percentage of empty space in a body-centered cubic arrangement is ..... A) 74. B) 68. C) 32. D) 26. Show Answer Correct Answer: C) 32. 10. ..... set of integers used to describe planes in a crystal A) Symmetry elements. B) Weiss indices. C) Miller indices. D) Term symbols. Show Answer Correct Answer: C) Miller indices. 11. The coordination number in hexagonal close packing (hcp) in 2 dimensional arrangement is A) 2. B) 4. C) 6. D) 8. Show Answer Correct Answer: C) 6. 12. When laser light is focussed on a particular area for a long time, then that particular area alone will be heated. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 13. What is the main advantage of solid state welding over fusion welding? A) Lower cost. B) No need for filler material. C) Faster welding speeds. D) Less equipment required. Show Answer Correct Answer: B) No need for filler material. 14. Natural diamond is classify as? A) Crystal. B) Amorphous. C) Rock. D) Engagement stone. Show Answer Correct Answer: A) Crystal. 15. Diamond has the same arrangement as that of ..... A) Zinc blende. B) Zinc wurtzite. C) NaCl. D) CsCl. Show Answer Correct Answer: A) Zinc blende. 16. Which one of the following compound exhibit both schottky and frenkel defects? A) NaCl. B) AgCl. C) AgBr. D) AgI. Show Answer Correct Answer: C) AgBr. 17. What is the main advantage of ultrasonic welding in solid state welding processes? A) High welding speed. B) Minimal equipment requirements. C) Ability to join dissimilar metals. D) Requires no electrical power. Show Answer Correct Answer: A) High welding speed. 18. A cubic solid is made up of two elements A and B. Atoms of the elements B are present at the corners of the cube and atoms A at the body centre. Predict the formula of the compound A) AB2. B) AB. C) A2B. D) None of these. Show Answer Correct Answer: B) AB. 19. What is the mechanism called when an axial force is applied during flash welding? A) Hot melting. B) Frictional bonding. C) Hot upsetting. D) Cold forging. Show Answer Correct Answer: C) Hot upsetting. 20. Stoichiometric defect is also known as A) Intrinsic defect. B) Impurity defect. C) Thermodynamic defect. D) Both1 and 3. Show Answer Correct Answer: D) Both1 and 3. 21. Isotropy is the character of A) Crystalline solids. B) Amorphous solids. C) Both. D) None. Show Answer Correct Answer: B) Amorphous solids. 22. Packing efficiency of primitive unit cell A) 56. B) 74. C) 68. D) 52. Show Answer Correct Answer: D) 52. 23. Which of the following is a disadvantage of solid-state storage? A) Fast access to data. B) Silent operation. C) High cost compared to HDD. D) More robust. Show Answer Correct Answer: C) High cost compared to HDD. 24. Which motor should not be started on no-load? A) Series motor. B) Shunt motor. C) Cumulatively compounded motor. D) Differentially compounded motor. Show Answer Correct Answer: A) Series motor. 25. Which of the following is NOT an advantage of solid-state storage? A) Silent operation. B) Fast access to data. C) High cost. D) No spin up time. Show Answer Correct Answer: C) High cost. ← PreviousNext →Related QuizzesClass 12 Chemistry (Part I) Chapter 1 Solid State Quiz 1Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 2Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 3Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 4Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 5Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 6Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 7Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 8Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 9Class 12 Chemistry (Part I) Chapter 1 Solid State Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books