When a body moves with simple harmonic motion, the product of its periodic time and frequency is equal to
Zero
One
π/2
π
- When the two elements of a pair have a surface contact when relative motion takes place and the surface…
- The frictional torque transmitted in a flat collar bearing, considering uniform wear, is (where r₁…
- The magnitude of velocities of the points on a rigid link is
- When the sleeve of a Porter governor moves downwards, the governor speed
- If D₁ and D₂ be the diameters of driver and driven pulleys, then belt speed is proportional…
- A kinematic chain requires at least
- Typewriter constitutes
- Torsional vibrations are said to occur when the particles of a body moves
- The angle of inclination of the plane, at which the body begins to move down the plane is called
- When the nature of contact between the elements of a pair is such that one element can turn about the…
- A rotor which is balanced statically but not dynamically is supported on two bearings L apart and at…
- A rotor supported at A and B carries two masses as shown in the below figure. The rotor is
- In its simplest form, a cam mechanism consists of following number of links
- The ratio of maximum fluctuation of speed to the mean speed is called
- The relation between number of pairs (p) forming a kinematic chain and the number of links (l) is
- Which of the following is an inversion of a single slider crank chain?
- The tractive force is maximum or minimum when the angle of inclination of crank with the line of stroke…
- In an open pair, the two elements of a pair
- When the load on the engine increases, it becomes necessary to increase the supply of working fluid…
- In the two rotor system as shown in the below figure (I₁ < I₂), a node of vibration is…
- The unbalanced primary forces in a reciprocating engine are
- The number of centers in a crank driven slider crank mechanism is
- Klein's construction can be used to determine acceleration of various parts when the crank is at
- A slider crank chain consists of following numbers of turning and sliding pairs
- ABCD is a four bar mechanism in which AB = 310 mm and CD = 450 mm. AB and CD are both perpendicular…
- A spring controlled governor is said to be stable if the controlling force line when produced intersects…
- The maximum frictional force, which comes into play, when a body just begins to slide over the surface…
- Rectilinear motion of piston is converted into rotary by
- Whirling speed of the shaft is the speed at which
- The sensitiveness of the governor __________ as the speed range decreases.