A friction circle is a circle drawn when a journal rotates in a bearing. Its radius depends upon the coefficient of friction and the Angular velocity of journal Magnitude of the forces on journal Radius of journal Clearance between journal and bearing TRUE ANSWER : ? YOUR ANSWER : ?
The absolute acceleration of any point ‘P’ in a link about center of rotation ‘O’ is At 45° to PO Along PO Perpendicular to PO None of the listed here TRUE ANSWER : ? YOUR ANSWER : ?
The values of velocity and acceleration of piston at near dead center for a slider-crank mechanism will be 0, 0 0, and less than coV cor, 0 0, and more than co2r TRUE ANSWER : ? YOUR ANSWER : ?
The Ackermann steering mechanism is preferred to the Davis type in automobiles because The former is mathematically accurate The former is most rigid The former is most economical The former is having turning pair TRUE ANSWER : ? YOUR ANSWER : ?
Klein's construction can be used to determine acceleration of various parts when the crank is at Inner dead centre All of the listed here Outer dead centre Right angles to the link of the stroke TRUE ANSWER : ? YOUR ANSWER : ?
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) cotφ - cotα = c/b sinφ + sinα = b/c cosφ - sinα = c/b tanφ + cotα = b/c TRUE ANSWER : ? YOUR ANSWER : ?
A body having moment of inertia o:m2 is rotating at 210 RPM and r with another body at rest having I 40 kg m2. The resultant speed after ing will be 90 RPM 100 RPM 80 RPM data are insufficient TRUE ANSWER : ? YOUR ANSWER : ?
In a hydrodynamic journal bearing, there is A very thin film of lubricant between the journal and the bearing such that there is contact between the journal and the bearing A forced lubricant between the journal and the bearing No lubricant between the journal and the bearing A thick film of lubricant between the journal and the bearing TRUE ANSWER : ? YOUR ANSWER : ?
In Meyer's expansion valve, the main valve is driven by an eccentric having an angle of advance from 15°-25° 25°-30° 30°-40° 10°-15° TRUE ANSWER : ? YOUR ANSWER : ?
The Klein's method of construction for reciprocating engine mechanism Is based on acceleration diagram Enables determination of Cariole’s component Utilizes a quadrilateral similar to the diagram of mechanism for reciprocating engine Is a simplified form of instantaneous center method TRUE ANSWER : ? YOUR ANSWER : ?