Engineering Mechanics A screw jack used for lifting the loads is A non-reversible machine An ideal machine None of these A reversible machine A non-reversible machine An ideal machine None of these A reversible machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of gravity of an isosceles triangle with base (p) and sides (q) from its base is (p² + q²)/4 (p² - q²)/4 (4p² - q²)/6 [√(4p² - q²)]/6 (p² + q²)/4 (p² - q²)/4 (4p² - q²)/6 [√(4p² - q²)]/6 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If the body falls freely under gravity, then the gravitational acceleration is taken as -8.9 m/s2 +9.8 m/s2 -9.8 m/s2 +8.9 m/s2 -8.9 m/s2 +9.8 m/s2 -9.8 m/s2 +8.9 m/s2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The mechanical advantage of a lifting machine is the ratio of Output to the input Distance moved by effort to the distance moved by load Load lifted to the effort applied All of these Output to the input Distance moved by effort to the distance moved by load Load lifted to the effort applied All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base. Four times Nine times Two times Six times Four times Nine times Two times Six times ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a circular section about an axis perpendicular to the section is πd4/64 πd3/16 πd3/32 πd4/32 πd4/64 πd3/16 πd3/32 πd4/32 ANSWER DOWNLOAD EXAMIANS APP