Carnot cycle is a quasi static cycle a semi-reversible cycle an irreversible cycle a reversible cycle TRUE ANSWER : ? YOUR ANSWER : ?
In a reciprocating steam engine, when the crank has turned from inner dead centre through an angle θ, the angular velocity of the connecting rod is given by ω cosθ/(n² - cos²θ)1/2 ω sinθ/(n² - cos²θ)1/2 ω cosθ/(n² - sin²θ)1/2 ω sinθ/(n² - sin²θ)1/2 TRUE ANSWER : ? YOUR ANSWER : ?
A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin) Iω² (1/2). I ω ωP (1/2).Iω² I ω ωP TRUE ANSWER : ? YOUR ANSWER : ?
An involute pinion and gear are in mesh. If both have the same size of addendum, then there will be an interference between the Tip of the gear tooth and flank of pinion Tip of the pinion and flank of gear Tip of both gear and pinion Flanks of both gear and pinion TRUE ANSWER : ? YOUR ANSWER : ?
The angle of inclination of the plane, at which the body begins to move down the plane is called None of these Angle of projection Angle of repose Angle of friction TRUE ANSWER : ? YOUR ANSWER : ?
Coriolis component acts None of these Along sliding surfaces Somewhere in between above two Perpendicular to sliding surfaces TRUE ANSWER : ? YOUR ANSWER : ?
A Hartnell governor has its controlling force (Fc) given by Fc = ar + b, where r is the radius of rotation and a and b are constants. The governor becomes isochronous when a is +ve and b is also +ve a = 0 and b is +ve a is +ve and b = 0 a is +ve and b is -ve TRUE ANSWER : ? YOUR ANSWER : ?
The locus of a point on a thread unwound from a cylinder will be A circle Cycloidal A straight line Involute TRUE ANSWER : ? YOUR ANSWER : ?
Ackermann steering gear consists of Rolling pairs Turning pairs Sliding pairs Higher pairs TRUE ANSWER : ? YOUR ANSWER : ?
An automobile steering gear is an example of Lower pair Sliding pair Rolling pair Higher pair TRUE ANSWER : ? YOUR ANSWER : ?