MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Kinematics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In a Davis steering gear, the distance between the pivots of the front axle is 1.2 metres and the wheel base is 2.7 metres. Find the inclination of the track arm to the longitudinal axis of the car, when it is moving along a straight path. |
| A. | 12.5° |
| B. | 13.5° |
| C. | 14.5° |
| D. | 15.5° |
| Answer» B. 13.5° | |
| 2. |
The driving and driven shafts connected by a Hooke’s joint will have equal speeds, if |
| A. | cos θ = sin α |
| B. | sinθ = ±√tanα |
| C. | tanθ = ±√cosα |
| D. | cot θ = cos α |
| Answer» D. cot θ = cos α | |
| 3. |
The Ackerman steering gear mechanism is preferred to the Davis steering gear mechanism, becausea) whole of the mechanism in the Ackerman steering gear is on the back of the front wheelsb) the Ackerman steering gear consists of turning pairsc) the Ackerman steering gear is most economicald) both ( |
| A. | whole of the mechanism in the Ackerman steering gear is on the back of the front wheelsb) the Ackerman steering gear consists of turning pairsc) the Ackerman steering gear is most economicald) both (a) and ( |
| B. | the Ackerman steering gear consists of turning pairs |
| C. | the Ackerman steering gear is most economical |
| D. | both (a) and (b) |
| Answer» E. | |
| 4. |
Which of the following mechanism is made up of turning pairs ?a) Scott Russel’s mechanismb) Peaucellier’s mechanismc) Hart’s mechanismd) Both ( |
| A. | Scott Russel’s mechanismb) Peaucellier’s mechanismc) Hart’s mechanismd) Both (a) and ( |
| B. | Peaucellier’s mechanism |
| C. | Hart’s mechanism |
| D. | Both (a) and (b) |
| Answer» E. | |
| 5. |
A double universal joint is used to connect two shafts in the same plane. The intermediate shaft is inclined at an angle of 20° to the driving shaft as well as the driven shaft. Find the minimum speed of the driven shaft if the driving shaft has a constant speed of 500 r.p.m. |
| A. | 532.1 r.p.m |
| B. | 469.85 r.p.m. |
| C. | 566.25 r.p.m. |
| D. | 441.5 r.p.m. |
| Answer» E. | |
| 6. |
A double universal joint is used to connect two shafts in the same plane. The intermediate shaft is inclined at an angle of 20° to the driving shaft as well as the driven shaft. Find the maximum speed of the driven shaft if the driving shaft has a constant speed of 500 r.p.m. |
| A. | 532.1 r.p.m |
| B. | 469.85 r.p.m. |
| C. | 566.25 r.p.m. |
| D. | 441.5 r.p.m. |
| Answer» D. 441.5 r.p.m. | |
| 7. |
A double universal joint is used to connect two shafts in the same plane. The intermediate shaft is inclined at an angle of 20° to the driving shaft as well as the driven shaft. Find the minimum speed of the intermediate shaft if the driving shaft has a constant speed of 500 r.p.m. |
| A. | 532.1 r.p.m |
| B. | 469.85 r.p.m. |
| C. | 566.25 r.p.m. |
| D. | 441.5 r.p.m. |
| Answer» C. 566.25 r.p.m. | |
| 8. |
A double universal joint is used to connect two shafts in the same plane. The intermediate shaft is inclined at an angle of 20° to the driving shaft as well as the driven shaft. Find the maximum speed of the intermediate shaft if the driving shaft has a constant speed of 500 r.p.m. |
| A. | 532.1 r.p.m |
| B. | 469.85 r.p.m |
| C. | 566.25 r.p.m |
| D. | 441.5 r.p.m. |
| Answer» B. 469.85 r.p.m | |
| 9. |
THE_DRIVING_AND_DRIVEN_SHAFTS_CONNECTED_BY_A_HOOKE‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•S_JOINT_WILL_HAVE_EQUAL_SPEEDS,_IF?$# |
| A. | cos θ = sin α |
| B. | sinθ = ±√tanα |
| C. | tanθ = ±√cosα |
| D. | cot θ = cos α |
| Answer» D. cot ‚âà√≠‚Äö√†√® = cos ‚âà√≠¬¨¬± | |
| 10. |
In_a_Davis_steering_gear,_the_distance_between_the_pivots_of_the_front_axle_is_1.2_metres_and_the_wheel_base_is_2.7_metres._Find_the_inclination_of_the_track_arm_to_the_longitudinal_axis_of_the_car,_when_it_is_moving_along_a_straight_path.$ |
| A. | 12.5° |
| B. | 13.5° |
| C. | 14.5° |
| D. | 15.5° |
| Answer» B. 13.5¬¨¬®‚Äö√†√ª | |
| 11. |
The Ackerman steering gear mechanism is preferred to the Davis steering gear mechanism, becaus? |
| A. | whole of the mechanism in the Ackerman steering gear is on the back of the front wheels |
| B. | the Ackerman steering gear consists of turning pairs |
| C. | the Ackerman steering gear is most economical |
| D. | both (a) and (b) |
| Answer» E. | |
| 12. |
Which of the following mechanism is used to enlarge or reduce the size of a drawing ? |
| A. | Grasshopper mechanism |
| B. | Watt mechanism |
| C. | Pantograph |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 13. |
Which of the following mechanism is made up of turning pairs ? |
| A. | Scott Russel’s mechanism |
| B. | Peaucellier’s mechanism |
| C. | Hart’s mechanism |
| D. | Both (a) and (b) |
| Answer» E. | |
| 14. |
A double universal joint is used to connect two shafts in the same plane. The intermediate shaft is inclined at an angle of 20° to the driving shaft as well as the driven shaft. Find the minimum speed of the intermediate shaft if the driving shaft has a constant speed of 500 r.p.m.$ |
| A. | 532.1 r.p.m |
| B. | 469.85 r.p.m. |
| C. | 566.25 r.p.m. |
| D. | 441.5 r.p.m. |
| Answer» C. 566.25 r.p.m. | |
| 15. |
A double universal joint is used to connect two shafts in the same plane. The intermediate shaft is inclined at an angle of 20° to the driving shaft as well as the driven shaft. Find the maximum speed of the intermediate shaft if the driving shaft has a constant speed of 500 r.p.m. |
| A. | 532.1 r.p.m |
| B. | 469.85 r.p.m |
| C. | 566.25 r.p.m |
| D. | 441.5 r.p.m. |
| Answer» B. 469.85 r.p.m | |