Home CBT TEST MEE 311(Theory of Machines) CBT PRACTICE CBT TEST MEE 311(Theory of Machines) CBT PRACTICE By Phil - January 13, 2025 36 0 FacebookTwitterPinterestWhatsApp I wish you success. You no need motivation Your GP is enough to motivate you at this point . MEE 311 1 / 41 1. In a multi plate clutch, number of discs on the driving shaft is given by n1. True or false? A. True B. All the options C. False D. None of the options 2 / 41 2. Bevel gears are equivalent to rolling A. cubes B. cuboids C. spheres D. cones 3 / 41 3. If the link next to the shortest link is fixed, what type of mechanism is obtained? A. Linkage is not planar B. Double crank mechanism C. Double rocker mechanism D. Crank rocker mechanism 4 / 41 4. The ratio of angle of action to the pitch angle is called ___________ A. angle of approach B. angle of recess C. space width D. contact ratio 5 / 41 5. In a multi plate clutch, T = 150 N-m, n = 4, µ = 0.3 and R = 0.1 m. Find the axial thrust. A. 1250 B. 200 C. 1800 D. 18 6 / 41 6. Which of the following is an advantage of worm gear? A. Used for reducing speed and increasing torque B. It is expensive C. Produce a lot of heat D. Has high power losses and low transmission efficiency 7 / 41 7. In a centrifugal clutch, what is ω? A. Angular running speed at which the engagement takes place B. Angular acceleration at which the engagement begins to take place C. Angular acceleration of the pulley D. Angular running speed of the pulley 8 / 41 8. In which of the following mechanism the relative motions of the rigid bodies are in one plane or in parallel planes? A. planar mechanism B. flexure mechanism C. spatial mechanism D. spherical mechanism 9 / 41 9. The smaller and generally the driving gear of a pair of mated gears is called _________ A. pinion B. module C. rack D. pitch 10 / 41 10. The distance measured along the circumference of the pitch circle from a point on one tooth to the same point on the adjacent tooth is called ________________ A. pitch diameter B. circular pitch C. line of centers D. pitch point 11 / 41 11. If the shortest link is fixed, what type of mechanism is obtained? A. Double rocker mechanism B. Linkage is not planar C. Crank rocker mechanism D. Double crank mechanism 12 / 41 12. What is the working depth of the gear and the pinion of the bevel gears? A. 0.7 m, 2 m B. 0.4 m, 3 m C. 2 m, 0.7 m D. 3 m, 0.4 m 13 / 41 13. Which of the following clutches include shoes and spider inside the rim of the pulley A. Single plate clutch B. Centrifugal clutch C. Multi plate clutch D. Cone clutch 14 / 41 14. Velocity of sliding at the pitch point = (ωp + ωg) x _____________ A. arc of approach B. 0 C. path of contact D. path of recess 15 / 41 15. If the link opposite to the shortest link is fixed, what type of mechanism is obtained? A. Crank rocker mechanism B. Double rocker mechanism C. Double crank mechanism D. Linkage is not planar 16 / 41 16. The condition which must be fulfilled by two gear tooth profiles to maintain a constant angular velocity ratio between them is called __________________ A. interference B. law of gearing C. arc of contact D. path of contact 17 / 41 17. In a conical clutch, the mean radius of the bearing surface is 300 mm whereas the breadth is 20 mm. Find the inner and outer radii. The semi cone angle is 30°. A. 160 mm, 140 mm B. 155 mm, 145 mm C. 140 mm, 160 mm D. 145 mm, 155 mm 18 / 41 18. Which of the gears has the highest contact ratio? A. Bevel B. Helical C. Spur D. Worm 19 / 41 19. Which of the following mechanism is an approximately straight-line motion mechanism? A. Watt’s mechanism B. Hart’s mechanism C. Peaucellier mechanism D. Scott Russell’s mechanism 20 / 41 20. __________ mechanism is a crossed four bar chain mechanism in early steam engines to guide the piston rod in a cylinder to have an approximate straight line motion. A. Grasshopper B. Chebychev’s C. Watt’s D. Peaucellier’s 21 / 41 21. If the s+l=p+q, what is the type of linkage? A. Trapezium B. Circular C. Parallelogram D. Six bar 22 / 41 22. What type of mechanism is shown in the diagram below? A. Double rocker mechanism B. Double crank mechanism C. Crank rocker mechanism D. Linkage is not planar 23 / 41 23. For a Whitworth quick return motion mechanism β = 110°. Find the ratio of time of cutting stroke to time of return stroke. A. 2.27 B. 2.37 C. 0.44 D. 0.42 24 / 41 24. . The angle turned by the gear from the beginning to the end of engagement of a pair of teeth is called _____________ A. angle of contact B. angle of recess C. angle of action D. angle of approach 25 / 41 25. What type of mechanism is shown in the given diagram? A. Crank rocker mechanism B. Double crank mechanism C. Linkage is not planar D. Double rocker mechanism 26 / 41 26. The locus of a point on the pitch circle from the beginning to end of engagement of two mating gears is called as ___________ A. Path of contact B. Arc of approach C. Arc of contact D. Path of approach 27 / 41 27. If Grashof’s law is not satisfied, no link will make a complete revolution relative to one another. True or False? A. False B. True 28 / 41 28. What is the condition involved in Grashof’s law? A. s-l ≤ p-q B. s+l≤p+q C. s+l≥p+q D. s-l ≥ p-q 29 / 41 29. Which of the following mechanism is an approximately straight-line motion mechanism? A. Hart’s mechanism B. Peaucellier mechanism C. Watt’s mechanism D. Scott Russell’s mechanism 30 / 41 30. When large gear reductions are needed _________ gears are used. A. worm B. bevel C. spur D. helical 31 / 41 31. If the shortest link is fixed, what type of mechanism is obtained? A. Crank rocker mechanism B. Double rocker mechanism C. Linkage is not planar D. Double crank mechanism 32 / 41 32. In a multi plate clutch, the formula for T is given by ______ A. n.µ.W.(r1+r2) B. n.µ.W.r1 C. n.µ.W.R D. n.µ.W.r2 33 / 41 33. What type of mechanism is shown in the diagram below? A. Crank rocker mechanism B. Double rocker mechanism C. Linkage is not planar D. Double crank mechanism 34 / 41 34. What type of mechanism is shown in the diagram below? A. Linkage is not planar B. Crank rocker mechanism C. Double crank mechanism D. Double rocker mechanism 35 / 41 35. The distance travelled by a point on either pitch circle of the two wheels during the period of contact of a pair of teeth is called ____________________ A. arc of contact B. angle of action C. contact ratio D. path of contact 36 / 41 36. Which of these is not a type of clutch? A. Centrifugal B. Conical C. Single disc D. Cylindrical 37 / 41 37. The contact ratio is the ratio of arc of contact to the ____________ A. circular pitch B. module C. contact ratio D. dedendum 38 / 41 38. The distance by which a helix advances along the axis of the gear for one turn around is called _____________ A. normal link B. lead C. joint line D. axial pitch 39 / 41 39. __________ mechanism is a crossed four bar chain mechanism in early steam engines to guide the piston rod in a cylinder to have an approximate straight line motion. A. Grasshopper B. Chebychev’s C. Watt’s D. Peaucellier’s 40 / 41 40. If there are redundant constraints in the chain and it forms a statically indeterminate structure, what is the degree of freedom or the mobility of this structure? A. Less than 0 B. 1 C. 2 D. More than 0 41 / 41 41. In a centrifugal clutch, what is ω? A. Angular running speed at which the engagement takes place B. Angular acceleration at which the engagement begins to take place C. Angular acceleration of the pulley D. Angular running speed of the pulley Your score isThe average score is 31% 0% Restart quiz Related posts: MTH 101 CBT TEST EXAM MODE AEE 201 CBT PRACTICE FIN 104 CBT PRACTICE CSS 105 CBT PRACTICE