Chapter 3 BELTS AND CHAIN DRIVES MCQs 15 min Score: 0 Attempted: 0/15 Subscribe 1. . Belts transmit (A) Energy (B) Power (C) Force (D) MotionShow All Answers 2. . Flexible drive elements include (A) Gears (B) Belts, chains, ropes (C) Shafts (D) CouplingsShow All Answers 3. . Rigid or non-flexible drives include (A) Chains (B) Belts (C) Gears (D) RopesShow All Answers 4. . The main disadvantage of flexible drives is (A) High cost (B) High noise (C) Low and variable velocity ratio (D) Complicated designShow All Answers 5. . Flat belts are mostly used when pulleys are not more than (A) 5 meters apart (B) 8 meters apart (C) 10 meters apart (D) 12 meters apartShow All Answers 6. . V-belts transmit power by (A) Bottom surface of belt (B) Wedging action on pulley sides (C) Friction on top surface (D) Using adhesivesShow All Answers 7. . Rope drives are used when pulleys are (A) Very close (<2m) (B) Medium distance (5–8m) (C) Far apart (>10m) (D) Any distanceShow All Answers 8. . Fiber ropes are suitable for pulleys up to (A) 10 m (B) 60 m (C) 100 m (D) 150 mShow All Answers 9. . Wire ropes are used when pulleys are up to (A) 60 m (B) 100 m (C) 150 m (D) 200 mShow All Answers 10. . Idler pulleys are used to (A) Reduce belt tension (B) Increase angle of contact and velocity ratio (C) Reduce power transmission (D) Join two beltsShow All Answers 11. . The tight side of a belt carries (A) Less tension (B) More tension (C) Same tension as slack side (D) Variable tensionShow All Answers 12. . Cross belt drive is used when shafts (A) Are parallel and rotate in same direction (B) Are parallel and rotate in opposite direction (C) Are at right angles (D) Are misalignedShow All Answers 13. . The silent chain is designed to (A) Increase noise (B) Eliminate effects of stretching and run quietly (C) Reduce power transmission (D) Replace rope drives onlyShow All Answers 14. . The maximum power transmitted by a flat belt depends on (A) Belt width only (B) Belt tension, velocity, arc of contact, and condition of use (C) Pulley diameter only (D) Type of material onlyShow All Answers 15. . The classes of chains include (A) Conveyor, silent, roller (B) Hoisting & hauling, conveyor, power transmitting (C) Roller, silent, bush (D) Single, double, tripleShow All Answers
