Welcome to your Work shop calculation 2nd year MCQ-1 (friction)
1.what is the force required to move a body of mass 1000if the coefficient of friction is 0.4?ent kg
2.what is the coefficient of friction if a force of 30 N is required to move a body of mass 35 kg ?
3.What is the weight of an object could be moved by a force of 30 kg if co-efficient of friction is 0.0125?
4.What is the angle of inclination if a weight of 150 kg is in equilibrium and the value of m is 0.5773?
5.how much force is required to just slude a 20 kg an object lying on a horizontal table if the m is 0.22?
6. What is the direction of frictional force against a motional object?
7. Which force is directly proportional to the normal reaction between contacting surfaces?
8. which one of the following act in between the wheels and roads, if vehicle are able to run on roads?
9.which is useful friction?
10. which is the waste full friction?
11.which depends on the frictional frorce?
12. How co-efficient of friction is expressed?
13. which symbol is to denote co- efficient of friction?
14.What kind of friction is called if two objects are in contact at rest?
15. which is the correct statement?
16. what is the co-efficient of friction if the angle of friction is q?
17. what is the purpose of lubricant?
18. what type of lubricant is used in wick feed lubrication system?
19. which lubrication system is provided with a ring oiler continuously around the parts?
20.which one is the type of lubrication?
21. which lubrication system employs oil holes in the machine?
22. which is the use tp reduce the friction in machine parts?
23. which is the main purpose of using the lubricant oil in engine moving parts?
23. which is the correct statement?
24. of a machine by maintaning the lubrication?what causes the efficiency
25.which is the coolant acts as a lubricant?
