Online Quiz on Theory of Machines - Set 03 Mech Sub-Wise Quiz Theory of Machines Online Quiz: Set - 03 Quiz Questions 01. When a mechanism is required to transmit power or to do some particular type of work, then it becomes a machine. (A) Agree (B) Disagree 02. When two pulleys are connected by means of an open belt drive, then both the pulleys will rotate is opposite directions. (A) Right (B) Wrong 03. In a simple train of wheels, if the number of intermediate wheels is odd, the motion of the follower will be same as that of the driver. (A) Yes (B) No 04. When a body is subjected to longitudinal vibrations, the stress induced in a body will be tensile or compressive stress. (A) Correct (B) Incorrect 05. The centre of suspension and centre of percussion are not interchangeable. (A) Correct (B) Incorrect 06. When the tip of a tooth undercuts the root on its mating gear, it is known as interference. (A) Agree (B) Disagree 07. The pressure angle for involute gears depends upon the size of teeth. (A) Right (B) Wrong 08. The addendum is the radial distance of tooth from the pitch circle to the top of the tooth. (A) Agree (B) Disagree 09. The ratio of the pitch circle diameter in millimetres to the number of teeth is called circular pitch. (A) Yes (B) No 10. The angle which the normal reaction makes with the resultant reaction is called angle of friction. (A) Agree (B) Disagree 11. The rolling of a complete ship sideways is known as pitching of a ship. (A) True (B) False 12. In order to have a good grip on the pulley, the V-belt should touch the bottom of the groove in the pulley. (A) True (B) False 13. The primary unbalanced force is more than the secondary unbalanced force. (A) True (B) False 14. The angle of the inclined plane at which the body just begins to slide down the plane, is called helix angle. (A) Right (B) Wrong 15. A chain consisting of four links and four joints is called a kinematic chain. (A) Yes (B) No 16. In a force-closed pair, the two elements of a pair are not held together mechanically. (A) Agree (B) Disagree 17. The ratio of the actual damping coefficient to the critical damping coefficient is called damping factor. (A) Yes (B) No 18. Whitworth quick return motion mechanism consists of three turning pairs and one sliding pair. (A) Right (B) Wrong 19. The coefficient of fluctuation of energy is the ratio of maximum energy to the minimum energy. (A) True (B) False 20. The wear of bearing is proportional to velocity and pressure. (A) Yes (B) No Submit Test Online Quiz Home Page
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