Typewriter constitutes__________________?

Related Mcqs:

1. A typewriter mechanism has 7 number of binary joints, six links and none of higher pairs. The mechanism is________________?

   A. kinematically sound
   B. not sound
   C. soundness would depend upon which link is kept fixed
   D. data is not sufficient to determine same
   E. none of the above

2. A circular bar moving in a round hole is an example of_______________?

   A. incompletely constrained motion
   B. partially constrained motion
   C. completely constrained motion
   D. successfully constrained motion
   E. none of the above

3. Which of the following disciplines provides study of inertia forces arising from the combined effect of the mass and the motion of the parts_______________?

   A. theory of machines
   B. applied mechanics
   C. mechanisms
   D. kinetics
   E. kinematics

4. A mechanism is an assemblage of ____________________?

   A. two links
   B. three links
   C. four links or more than four links
   D. all of the above
   E. none of the above

5. Flexible coupling is used because _____________________?

   A. it is easy to disassemble
   B. it is easy to engage and disengage
   C. it transmits shocks gradually
   D. it prevents shock transmission and eliminates stress reversals
   E. it increases shaft life

6. The locus of a point on a thread unwound from a cylinder will be___________________?

   A. a straight line
   B. a circle
   C. involute
   D. cycloidal
   E. helix

7. The approximate straight line mechanism is a____________________?

   A. four bar linkage
   B. 6 bar linkage
   C. 8 bar linkage
   D. 3 bar linkage
   E. 5 bar linkage

8. The magnitude of tangential acceleration is equal to____________________?

   A. velocity2 x crank radius
   B. velocityvcrankradius
   C. (velocity/crankradius)
   D. velocity x crank radius2
   E. none of the above

9. Angle of descent of cam is defined as the angle__________________?

   A. during which the follower returns to its initial position
   B. of rotation of the cam for a definite displacement of the follower
   C. through which the cam rotates during the period in which the follower remains in the highest position
   D. moved by the cam from the instant the follower begins to rise, till it reaches its highest position
   E. moved by the cam from beginning of ascent to the termination of descent

10. Inertia force acts___________________?

    A. perpendicular to the accel< force
    B. along the direction of accel* force
    C. opposite to the direction of ace ing force
    D. in any direction w.r.t. accel* force depending on the magnit two
    E. none of the above