A. spur gear
B. spiral gear
C. bevel gear
D. worm gear
E. crown gear
A. D1/D2
B. D2/D1
C. D1-D2.
D. D1
E. D1+D2
A. double helical gears having opposite teeth
B. double helical gears having identical teeth
C. single helical gear in which one of the teeth of helix angle a is more
D. mutter gears
E. none of the above
To obviate axial thrust, following gear drive is used_____________________? Read More »
Theory of Machines A. maximum and zero
B. zero and maximum
C. minimum and maximum
D. zero and minimum
E. maximum and minimum
A. a straight line
B. a circle
C. involute
D. cycloidal
E. helix
The locus of a point on a thread unwound from a cylinder will be___________________? Read More »
Theory of Machines A. material of the pulley
B. material of the belt
C. larger size of the driver pulley
D. uneven extensions and contractions due to varying tension
E. expansion of belt
Creep in belt drive is due to____________________? Read More »
Theory of Machines A. tension on tight side of belt
B. tension on slack side of belt
C. radius of pulley
D. speed of pulley
E. all of the above
T Jie horse power transmitted by a belt is dependent upon _________________? Read More »
Theory of Machines A. inertia
B. momentum
C. moment of momentum
D. work
E. torque
The moment on the pulley which produces rotation is called ___________________? Read More »
Theory of Machines A. for changing the direction of motion of the belt
B. for applying tension
C. for increasing -velocity ratio
D. all of the above
E. none of the above
Idler pulley is used___________________? Read More »
Theory of Machines A. decrease the variation of speed
B. to control
C. to control SN
D. all of the above
E. none of the above
Governor is used in automobile to_______________? Read More »
Theory of Machines