Theory of Machine A pulley and belt in a belt drive form a Turning pair Cylindrical pair Sliding pair Rolling pair Turning pair Cylindrical pair Sliding pair Rolling pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Crowning on pulleys helps In decreasing the slip of the belt For automatic adjustment of belt position so that belt runs centrally Increase belt and pulley life In increasing velocity ratio In decreasing the slip of the belt For automatic adjustment of belt position so that belt runs centrally Increase belt and pulley life In increasing velocity ratio ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When two pulleys are connected by means of a cross belt drive, then both the pulleys will rotate in _________ directions. None of these Perpendicular Opposite Same None of these Perpendicular Opposite Same ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The motion between a pair which takes place in ____ is known as incompletely constrained motion. Two directions only None of the listed here One direction only More than one direction Two directions only None of the listed here One direction only More than one direction ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction) α = 90° - φ α = 45° - φ/2 α = 90° + φ α = 45° + φ/2 α = 90° - φ α = 45° - φ/2 α = 90° + φ α = 45° + φ/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is an open pair? Journal bearing Cam and follower Lead screw and nut Ball and socket joint Journal bearing Cam and follower Lead screw and nut Ball and socket joint ANSWER DOWNLOAD EXAMIANS APP