Related InterviewSolutions

• Explain how does an inclined plane acts as a machine. 
• Inclined plane acts as a machine in daily life. Give four examples.
• Which is not an example of an inclined plane? (a) A ramp (b) A crowbar (c) A hill road (d) A stair case
• A gear system has one wheel with 10 teeth and the other wheel with 50 teeth. Calculate the gain in speed and the gain in torque that you can obtain using them. What will be the gear ration in each case?
• What is gradient of inclination? Support your answer with an example. 
• What do you understand by the following terms? (a) gear (b) driven wheel (c) driving wheel.
• A gear system has the driving wheel of radius 2 cm and driven wheel of radius 20 cm.(a) Find the gear ratio.(b) If the number of rotations made per minute by the driving wheel is 100, find the number of rotations per minute made by the driven wheel.(c) If the driven wheel has 40 teeth, find the number of teeth in the driving wheel.
• In a gear system, the gear ration of the driving wheel A and driven wheel B is 10:1. To rotate the driven wheel B in the direction of driving wheel A, the driving wheel A is engaged with other wheel C. what should be the gear ratio of the wheels A and C?
• The driving wheel of a gear system is of radius 1 cm and it has 8 teeth. For twelve rotations of the driving wheel, if the driven wheel makes one rotation find :(a) The radius, and(b) the number of teeth in the driven wheel.
• A crowbar of length 120 cm has its fulcrum situated at a distance of 20 cm from the load. Calculate the mechanical advantage of the crowbar.