87701. The maximum frictional force, which comes into play, when an body just begins to slide over the surface of the other body, is known as
87702. In a four stroke I.C. engine, the turning moment during the compression stroke is
87703. A body will begin to move down an inclined plane, if the angle of inclination of the plane is __________ the angle of friction.
87704. The fundamental equation for correct steering is (where φ and α = Angle through which the axis of the outer wheel and inner wheel turns respectively, c = Distance between the pivots of the front axles, and d = Wheel base)
87705. The height of a Watt's governor is
87706. A rotor supported at A and B carries two masses as shown in the below figure. The rotor is
87707. Which of the following is a higher pair?
87708. When the belt is stationary, it is subjected to some tension known as initial tension. The value of this tension is equal to the
87709. In a force-closed pair, the two elements of a pair are not held together mechanically.
87710. Maximum fluctuation of energy in a flywheel is equal to (where I = Mass moment of inertia of the flywheel, E = Maximum fluctuation of energy, CS = Coefficient of fluctuation of speed, and ω = Mean angular speed = )
87711. The coriolis component of acceleration acts
87712. The module is the reciprocal of diametral pitch.
87713. If the controlling force line for a spring controlled governor when produced intersects the Y-axis at the origin, then the governor is said to be
87714. If the controlling force line for a spring controlled governor when produced intersects the Y-axis above the origin, then the governor is said to be unstable.
87715. The inversion of a mechanism is
87716. The coefficient of fluctuation of energy is the ratio of maximum energy to the minimum energy.
87717. When the nature of contact between the elements of a pair is such that it can only slide relative to the other, the pair is known as a
87718. The primary unbalanced force is maximum __________ in one revolution of the crank.
87719. The instantaneous centres which vary with the configuration of mechanism, are called
87720. The displacement of the reciprocating roller follower, when it has contact with the straight flanks of the tangent cam, is given by (where r1 = Minimum radius of the cam, r2 = Radius of the roller follower, and θ = Angle turned by the cam from the beginning of the follower displacement)
87721. In considering friction of a V-thread, the virtual coefficient of friction (μ1) is given by
87722. The wear of bearing is proportional to velocity and pressure.
87723. In a shaper mechanism, the coriolis component of acceleration does not exist.
87724. In a gear having involute teeth, the normal to the involute is a tangent to the
87725. A body is said to be under forced vibrations, when
87726. The natural frequency of free longitudinal vibrations is equal to (where m = Mass of the body, s = Stiffness of the body, and δ = Static deflection of the body)
87727. The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing)
87728. The maximum and minimum value of the tractive force is given by
87729. In a turning moment diagram, the variations of energy above and below the mean resisting torque line is called
87730. In a spring controlled governor, when the controlling force __________ as the radius of rotation increases, it is said to be a stable governor.
87731. The distance between the centre of suspension and centre of percussion is equal to the equivalent length of a simple pendulum.
87732. When the body is suspended at the point of suspension, its periodic time and frequency will be __________ as compared to the body suspended at the point of percussion.
87733. The working depth of a gear is the radial distance from the
87734. The acceleration of a particle at any instant has two components i.e. radial component and tangential component. These two components will be
87735. When the axes of the first and last wheels are co-axial, then the train is known as
87736. The primary unbalanced force is more than the secondary unbalanced force.
87737. The cam and follower is an example of
87738. The danger of breakage and vibration is maximum
87739. The primary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given by (where m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, θ = Angle of inclination of crank with the line of stroke, and n = Ratio of the lengm of connecting rod to radius of crank)
87740. For two governors A and B, the lift of sleeve of governor A is more than that of governor B, for a given fractional change in speed. It indicates that
87741. The component of the acceleration, parallel to the velocity of the particle, at the given instant is called
87742. In a multiple V-belt drive, if one of the belt is broken, then we should replace
87743. The swaying couple is due to the
87744. The lead screw of a lathe with nut forms a
87745. In under damped vibrating system, if x1 and x2 are the successive values of the amplitude on the same side of the mean position, then the logarithmic decrement is equal to
87746. The angle of the inclined plane at which the body just begins to slide down the plane, is called helix angle.
87747. In forced vibrations, the magnitude of damping force at resonance is equal to the impressed force.
87748. When a slider moves on a fixed link having curved surface, their instantaneous centre lies
87749. Scotch yoke mechanism is used to generate
87750. The unbalanced primary forces in a reciprocating engine are
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use
Powered By:Omega Web Solutions