Strength of Materials Pick up wrong statement about friction force for dry surfaces. Friction force is proportional to velocity of sliding proportional to normal load between the surfaces dependent on the materials of contact surface independent of the area of contact surfaces proportional to velocity of sliding proportional to normal load between the surfaces dependent on the materials of contact surface independent of the area of contact surfaces ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The effort required to lift a load W on a screw jack with helix angle a and angle of friction<="" div=""> Wtan(a + <)>) Wtan(a-<)>) Wsin(a + <(>) Wcos(a + ) Wtan(a + <)>) Wtan(a-<)>) Wsin(a + <(>) Wcos(a + ) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The unit of power in S.I. units is newton meter kilogram meter/sec. watt joule newton meter kilogram meter/sec. watt joule ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of energy wattr kg m kcal watt hours wattr kg m kcal watt hours ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials In the equation of virtual work, following force is neglected reaction of a rough surface of a body which rolls on it without slipping All of the listed here reaction of any smooth surface with which the body is in contact reaction at a point or an axis, fixed in space, around which a body is con-strained to turn reaction of a rough surface of a body which rolls on it without slipping All of the listed here reaction of any smooth surface with which the body is in contact reaction at a point or an axis, fixed in space, around which a body is con-strained to turn ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which one of the following statements is not correct the tangent of the angle of friction is equal to coefficient of friction the angle of repose is equal to angle of friction the tangent of the angle of repose is equal to coefficient of friction the sine of the angle of repose is equal to coefficient to friction the tangent of the angle of friction is equal to coefficient of friction the angle of repose is equal to angle of friction the tangent of the angle of repose is equal to coefficient of friction the sine of the angle of repose is equal to coefficient to friction ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS