Strength of Materials If n = number of members andy = number of joints, then for a perfect frame, n = j-2 (b)2j-l 2/-3 (d)3/-2 j-2 (b)2j-l 2/-3 (d)3/-2 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Forces are called concurrent when their lines of action meet in plane perpendicular planes two points one point plane perpendicular planes two points one point 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=""> Wsin(a + <(>) Wtan(a-<)>) Wcos(a + ) Wtan(a + <)>) Wsin(a + <(>) Wtan(a-<)>) Wcos(a + ) Wtan(a + <)>) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of work, energy and heat ? kg m kWhr hp kcal kg m kWhr hp kcal ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The centre of percussion of a solid cylinder of radius r resting on a horizontal plane will be r/A 3r/2 r/2 2r/3 r/A 3r/2 r/2 2r/3 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The magnitude of two forces, which when acting at right angle produce resultant force of VlOkg and when acting at 60° produce resultant of Vl3 kg. These forces are V5 and V5 2 and 5 3 and 1 kg 2 and V6 V5 and V5 2 and 5 3 and 1 kg 2 and V6 ANSWER DOWNLOAD EXAMIANS APP