Theory of Machine Rectilinear motion of piston is converted into rotary by Connecting rod Slider crank Gudgeon pin Cross head Connecting rod Slider crank Gudgeon pin Cross head ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which one of the following is an exact straight line mechanism using lower pairs? Robert’s mechanism Peaucellier’s mechanism Grasshopper mechanism Watt’s mechanism Robert’s mechanism Peaucellier’s mechanism Grasshopper mechanism Watt’s mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In order to facilitate starting of locomotive in any position, the cranks of a locomotive with two cylinders, are placed at 180° to each other 120° to each other 90° to each other 45° to each other 180° to each other 120° to each other 90° to each other 45° to each other ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The advantage of the piston valve over the slide valve is that in the former case Wear is less The pressure developed being high provides tight sealing Both wear and power absorbed are low Power absorbed is less Wear is less The pressure developed being high provides tight sealing Both wear and power absorbed are low Power absorbed is less ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a screw jack, the effort required to lift the load W is given by (where α = Helix angle, and φ = Angle of friction) P = W cos(α + φ) P = W tan(φ - α) P = W tan(α + φ) P = W tan(α - φ) P = W cos(α + φ) P = W tan(φ - α) P = W tan(α + φ) P = W tan(α - φ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following governor is used to drive a gramophone? Pickering governor Watt governor Hartnell governor Porter governor Pickering governor Watt governor Hartnell governor Porter governor ANSWER DOWNLOAD EXAMIANS APP