Strength of Materials The effort required to lift a load W on a screw jack with helix angle a and angle of friction<="" div=""> Wsin(a + <(>) Wtan(a-<)>) Wtan(a + <)>) Wcos(a + ) Wsin(a + <(>) Wtan(a-<)>) Wtan(a + <)>) Wcos(a + ) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials In the equation of virtual work, following force is neglected 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 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 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of energy wattr watt hours kcal kg m wattr watt hours kcal kg m 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 sine of the angle of repose is equal to coefficient to friction the tangent of the angle of repose is equal to coefficient of friction the angle of repose is equal to angle of friction the tangent of the angle of friction 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 repose is equal to coefficient of friction the angle of repose is equal to angle of friction ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A heavy string attached at two ends at same horizontal level and when central dip is very small approaches the following curve elliptical hyperbola catenary parabola elliptical hyperbola catenary parabola ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If n = number of members andy = number of joints, then for a perfect frame, n = 2/-3 (b)2j-l j-2 (d)3/-2 2/-3 (b)2j-l j-2 (d)3/-2 ANSWER DOWNLOAD EXAMIANS APP