Question: In S.H.M., acceleration is proportional to _________________?

• 1. velocity
• 2. displacement
• 3. rate of change of velocity
• 4. all of the above

Question: Inertia force acts___________________?

• 1. perpendicular to the accel< force
• 2. along the direction of accel* force
• 3. opposite to the direction of ace ing force
• 4. in any direction w.r.t. accel* force depending on the magnit two

Question: In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The distance between fix

• 1. 95 mm
• 2. slightly less than 95 mm
• 3. slightly more than 95 mm
• 4. 45 mm

Question: Kinematic pairs are those which have___________________?

• 1. two elements held together mechani-cally
• 2. two elements having relative motion
• 3. two elements having Coroili’s com-ponent
• 4. minimum of two instantaneous centres

Question: In a darg link quick return mechanism, the shortest link is always fixed. The sum of the shortest and longest link is _______________?

• 1. equal to sum of other two
• 2. greater than sum of other two
• 3. less than sum of other two
• 4. there is no such relationship

Question: In a mechanism, usually one link is fixed. If the fixed link is changed in a kinematic chain, then relative motion of other links_________________?

• 1. will remain same
• 2. will change
• 3. could change or remain unaltered depending oh which link is fixed
• 4. will not occur

Question: In its simplest form, a cam mechanism consists of following number of links___________________?

• 1. 1
• 2. 2
• 3. 3
• 4. 4

Question: An eccentric sheave pivoted at one point rotates and transmits oscillatory motion to a link whose one end is pivoted and other end is connected to it. This mechanism has___________________?

• 1. 2 links
• 2. 3 links
• 3. 4 links
• 4. 5 links

Question: Hart mechanism has________________?

• 1. eight links
• 2. six links
• 3. four links
• 4. twelve links

Question: “Open pairs are those which have__________________?

• 1. point or line contact between the two elements when in motion
• 2. surface contact between the two ele-ments when in motion
• 3. elements of pairs not held together mechanically
• 4. two elements that permit relative motion