Engineering Mechanics The maximum efficiency of a screw jack is (1 - tanφ)/(1 + tanφ) (1 + tanφ)/(1 - tanφ) (1 - sinφ)/(1 + sinφ) (1 + sinφ)/(1 - sinφ) (1 - tanφ)/(1 + tanφ) (1 + tanφ)/(1 - tanφ) (1 - sinφ)/(1 + sinφ) (1 + sinφ)/(1 - sinφ) 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.) ω².√(r² - y²) ω.√(y² - r²) ω.√(r² - y²) ω².√(y² - r²) ω².√(r² - y²) ω.√(y² - r²) ω.√(r² - y²) ω².√(y² - r²) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a circular section about its diameter (d) is πd4/32 πd3/32 πd3/16 πd4/64 πd4/32 πd3/32 πd3/16 πd4/64 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The time of flight (t) of a projectile on a horizontal plane is given by t = 2u. tanα/g t = 2u. sinα/g t = 2u/g.sinα t = 2u. cosα/g t = 2u. tanα/g t = 2u. sinα/g t = 2u/g.sinα t = 2u. cosα/g ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a differential wheel and axle with 'D' as the diameter of effort wheel and d1 and d2 as the diameters of larger and smaller axles respectively, is 2D/(d₁ + d₂) 2D/(d₁ - d₂) D/(d₁ + d₂) D/(d₁ - d₂) 2D/(d₁ + d₂) 2D/(d₁ - d₂) D/(d₁ + d₂) D/(d₁ - d₂) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When the spring of a watch is wound, it will possess Electrical energy Kinetic energy Strain energy Heat energy Electrical energy Kinetic energy Strain energy Heat energy ANSWER DOWNLOAD EXAMIANS APP
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