Engineering Mechanics Moment of inertia of a triangular section of base (b) and height (h) about an axis through its base, is bh3/36 bh3/8 bh3/12 bh3/4 bh3/36 bh3/8 bh3/12 bh3/4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resultant of two equal forces ‘P’ making an angle ‘θ’, is given by 2P cosθ/2 2P tanθ/2 2P cotθ/2 2P sinθ/2 2P cosθ/2 2P tanθ/2 2P cotθ/2 2P sinθ/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The efficiency of a lifting machine is the ratio of Mechanical advantage to the velocity ratio All of these Work done by the machine to the work done on the machine Output to the input Mechanical advantage to the velocity ratio All of these Work done by the machine to the work done on the machine Output to the input ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A redundant frame is also called __________ frame. Deficient Imperfect None of these Perfect Deficient Imperfect None of these Perfect ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The total momentum of a system of masses (i. e. moving bodies) in any one direction remains constant, unless acted upon by an external force in that direction. This statement is called Principle of conservation of energy Newton's second law of motion Newton's first law of motion Principle of conservation of momentum Principle of conservation of energy Newton's second law of motion Newton's first law of motion Principle of conservation of momentum ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity of a particle (v) moving with simple harmonic motion, at any instant is given by (where, r = Amplitude of motion, and y = Displacement of the particle from mean position.) ω.√(y² - r²) ω.√(r² - y²) ω².√(y² - r²) ω².√(r² - y²) ω.√(y² - r²) ω.√(r² - y²) ω².√(y² - r²) ω².√(r² - y²) ANSWER DOWNLOAD EXAMIANS APP