In a steam engine, the distance by which the outer edge of the D-slide valve overlaps the steam port is called Steam lap None of these Exhaust lap Lead TRUE ANSWER : ? YOUR ANSWER : ?
The sensitiveness of the governor _____ as the speed range decreases. None of the listed here Remains unaffected Increases Decreases TRUE ANSWER : ? YOUR ANSWER : ?
The cam and follower is an example of Rolling pair Higher pair Sliding pair Lower pair TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following disciplines provides study of inertia forces arising from the combined effect of the mass and the motion of the parts? Theory of machines Kinetics Mechanisms Applied mechanics TRUE ANSWER : ? YOUR ANSWER : ?
Two heavy rotating masses are connected by shafts of lengths l₁, l₂ and l₃ and the corresponding diameters are d₁, d₂ and d₃. This system is reduced to a torsionally equivalent system having uniform diameter d = d₁ of the shaft. The equivalent length of the shaft is l₁ + l₂ + l₃ l = l₁ + l₂.(d₁/d₂)⁴ + l₃.(d₁/d₃)⁴ (l₁ + l₂ + l₃)/3 l = l₁ + l₂.(d₁/d₂)³ + l₂.(d₁/d₃)³ 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 sinθ/(n² - sin²θ)1/2 ω sinθ/(n² - cos²θ)1/2 ω cosθ/(n² - sin²θ)1/2 ω cosθ/(n² - cos²θ)1/2 TRUE ANSWER : ? YOUR ANSWER : ?
With usual notations for different parameters involved, the maximum fluctuations of energy for a flywheel is given by 2ECS EC S/2 2ECS² 2E²CS TRUE ANSWER : ? YOUR ANSWER : ?
A motor car moving at a certain speed takes a left turn in a curved path. If the engine rotates in the same direction as that of wheels, men due to centrifugal force The reaction on the rear wheels increases and on the front wheels decreases The reaction on the front wheels increases and on the rear wheels decreases The reaction on the outer wheels increases and on the inner wheels decreases The reaction on me inner wheels increases and on the outer wheels decreases TRUE ANSWER : ? YOUR ANSWER : ?
Instantaneous center of rotation of a link in a four bar mechanism lies on Left side pivot of this link A point obtained by intersection on extending adjoining links Right side pivot of this link Can’t occur TRUE ANSWER : ? YOUR ANSWER : ?
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 Screw pair Spherical pair Turning pair Sliding pair TRUE ANSWER : ? YOUR ANSWER : ?