The acceleration of a particle moving with simple harmonic motion, at any instant is given by
ωx
ω²x
ω²/x
ω³/x
- The secondary unbalanced force is maximum __________ in one revolution of the crank.
- The maximum efficiency of a screw jack is
- The balancing weights are introduced in planes parallel to the plane of rotation of the disturbing mass.…
- When the nature of contact between the elements of a pair is such that it can only slide relative to…
- The unbalanced primary forces in a reciprocating engine are
- A mass of 1 kg is attached to the end of a spring with a stiffness of 0.7 N/mm. The critical damping…
- The motion between a pair which takes place in __________ is known as incompletely constrained motion.
- Which of the following is an inversion of Single slider crank chain?
- In order to give the primary balance of the reciprocating parts of a multi-cylinder inline engines,
- In gears, interference takes place when
- The ratio of the number of teeth to the pitch circle diameter in millimetres, is called
- Which is the false statement about the properties of instantaneous centre?
- The equation of motion for a vibrating system with viscous damping is (d²x/dt²) + (c/m).(dx/dt)…
- A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied…
- A rotary internal combustion engine has __________ cylinders.
- The Coriolis component of acceleration acts
- Pulley in a belt drive acts as
- Davis steering gear consists of
- When two links are connected by a pin joint, their instantaneous centre lies
- In a steam engine, the earlier cut-off with a simple slide valve may be obtained by increasing the steam…
- The Ackerman steering gear mechanism is preferred to the Davis steering gear mechanism, because
- V-belts are usually used for
- When the primary direct crank of a reciprocating engine makes an angle of θ with the line of stroke,…
- To transmit power from one rotating shaft to another whose axes are neither parallel nor intersecting,…
- An eccentric sheave pivoted at one point rotates and transmits oscillatory motion to a link whose one…
- In a Hartnell governor, the lift of the sleeve is given by (where r₁ and r₂ = Max. and…
- The Klein's method of construction for reciprocating engine mechanism
- The locus of a point on a thread unwound from a cylinder will be
- In a cone pulley, if the sum of radii of the pulleys on the driving and driven shafts is Constant, then
- The radial distance from the top of a tooth to the bottom of a tooth in a meshing gear, is called