LEVERS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

LEVERS MULTIPLE CHOICE QUESTIONS

(MCQ) WITH ANSWERS 

MCQ help in understanding the levers

in full depth. Levers give us a

mechanical advantage. Levers can

lift heavy jobs with less effort.

Class 1 levers have

1. Effort between the load and the fulcrum

2. Fulcrum placed between the effort and load

3. Load in-between the effort and the fulcrum

4. None

Ans: (ii)

2. Levers of Class 2 have

1. Fulcrum placed between the effort and load

2. between the load and the fulcrum

3. Load in-between the effort and the fulcrum

4. None

Ans: (iii)

3. Properties of Class 3 are

1. Load in-between the effort and the fulcrum

2. Effort between the load and the fulcrum

3. Fulcrum placed between the effort and load

4. None

Ans: (ii)

4. Classification of Levers are based on

i.  the load and effort located with respect to the fulcrum

1.   fulcrum and effort are located with respect to the load

2. where the load and fulcrum are located with respect to the effort

3. None

Ans: (i)

5. Select the Class 1 levers from the followings

1. Fishing rod

2. Crowbar

3. Stapler

4. None

Ans: (ii)

6. Identify Class 2 lever from the followings

1. Stapler

2. Crowbar

3. Fishing rod

4. None

Ans: (i)

7. Choose Class 3 lever from the followings

1. Crowbar

2. Stapler

3. Fishing rod

4. None

Ans: (iii)

8. Tell Class 1 lever from the followings

1. Baseball bat

2. Can opener

3. Plier

4. None

Ans: (iii)

9. Point Class 2 lever from the followings

1. Can opener

2. Baseball bat

3. Plier

4. None

Ans: (i)

10.  Select Class 3 lever from the followings

1. Plier

2. Baseball bat

3. Can opener

4. None

Ans: (ii)

11. Which distance is more important from the fulcrum of a lever

1.  load lifted

2. Distance of force applied

3.   Load and of effort

4. None

Ans: (ii)

12. Mechanical advantage is ratio of distance

1.  object moved / Distance effort applied

2.  effort applied / Distance object moved

3. Distance effort applied x Distance object moved

4. None

Ans: (i)

13. Another way of defining Mechanical advantage is

1. Input force/ Output force

2. Output force/ Input force

3. Input force x Output force

4. None

Ans: (ii)

14. Third way saying Mechanical advantage is

1. Input speed/ Output speed

2. Output speed/ Input speed

3. Input speed x Output speed

4. None

Ans: (ii)

15. The relationships of mechanical advantages (MA) are

1.  MA = Speed MA =FORCE MA

2. Distance MA = Speed MA = (1/FORCE) MA

3.  MA = (1/Speed) MA =( 1/FORCE) MA

4. None

Ans: (ii)

16. It (Mechanical advantage) in terms of output/ input forces and distances will be

1. F_o D_o > F_i D_i

2. F_o D_o < F_i D_i

3. F_o D_o = F_i D_i

4. None

Ans:(iii)

15. A cylinder-piston configuration converts

1. Kinetic energy into pressure energy

2.  Pressure energy into kinetic energy

3.  Chemical energy into kinetic energy

4.  None

Ans: (ii)

17. An electric motor converts

1. Magnetic energy into kinetic energy

2. Electric energy into magnetic energy

3. Electric energy into mechanical energy

4. None

Ans: (iii)

18. A Generator converts

1. Electric energy into mechanical energy

2. energy into kinetic energy

3. Electric energy into magnetic energy

4. None

Ans: (iv)

19. The electric Generator converts

1. Electric energy into kinetic energy

2. Mechanical energy into kinetic energy

3. Mechanical energy into electrical energy

4. None

Ans: (iii)

20. A blower converts

1. Mechanical energy into kinetic energy

2. Electric energy into kinetic energy

3. Mechanical energy into electrical energy

4. None

Ans(iii)