Theory of Machine Pulley in a belt drive acts as Cylindrical pair Rolling pair Sliding pair Turning pair Cylindrical pair Rolling pair Sliding pair Turning pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Idler pulley is used For changing the direction of motion of the belt For applying tension For increasing velocity ratio All of the listed here For changing the direction of motion of the belt For applying tension For increasing velocity ratio All of the listed here 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 = 90° - φ α = 45° - φ/2 α = 45° + φ/2 α = 90° + φ α = 90° - φ α = 45° - φ/2 α = 45° + φ/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four stroke I.C. engine, the turning moment during the compression stroke is Positive during major portion of the stroke Negative throughout Positive throughout Negative during major portion of the stroke Positive during major portion of the stroke Negative throughout Positive throughout Negative during major portion of the stroke ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following statement is correct as regard to the difference between a machine and a structure? The parts of a machine move relative to one another, whereas the members of a structure do not move relative to one another A machine transforms the available energy into some useful work, whereas in a structure no energy is transformed into useful work All of these The links of a machine may transmit both power and motion, whereas the members of a structure transmit forces only The parts of a machine move relative to one another, whereas the members of a structure do not move relative to one another A machine transforms the available energy into some useful work, whereas in a structure no energy is transformed into useful work All of these The links of a machine may transmit both power and motion, whereas the members of a structure transmit forces only ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Minimum number of teeth for involute rack and pinion arrangement for pressure angle of 20° is 34 20 30 10 34 20 30 10 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS