THEORY OF MACHINES OBJECTIVE QUESTIONS

1. Which gear is used for connecting two coplanar and intersecting shafts?

a. Spur gear                  b. Helical gear

c. Bevel gear                 d. None of the above

 2.  Module of a gear is

a. D/T               b. T/D               

c. 2D/T             d. 2T/D

3. Length of arc of contact is given by

a. Arc of approach – Arc of recess         

b. Arc of approach + Arc of recess

c. Arc of approach / Arc of recess         

d. Arc of approach x Arc of recess

4.  The type of gears used to connect two non parallel and non intersecting shafts is

a. Spur gear               

b. Helical gear             

c. Bevel gear              

d. Spiral gear

 5.  To connect two parallel and coplanar shafts the following type of gearing is used

a. Spur gear                  b. Bevel gear

c. Spiral gear                d. None of the above

6.  In which of the following type of gear train the first gear and the last gear are co-axial.

a. Simple gear train                

b. Compound gear train

c. Reverted gear train                

d. None of the above

7.  Which gear train is used for higher velocity ratios in a small space?

a. Simple gear train                   

b. Compound gear train

c. Reverted gear train                

d. Epicyclic gear train

8.  Which type of gear train is used in clock mechanism to join hour hand and minute hand?

a. Simple gear train                   

b. Compound gear train

c. Reverted gear train                

d. Epicyclic gear train

9.  Which type of gearing is used in steering system of an automobile?

a. Rack and pinion        b. Worm and wheel

c. Spiral gears               d. None of the above

10.  The sesitivity of isochronous governors is

a. Constant

b. Zero 

c. Infinity

d. None of the above