Engineering Mechanics A screw jack used for lifting the loads is A non-reversible machine None of these An ideal machine A reversible machine A non-reversible machine None of these An ideal machine A reversible machine 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) ω².√(r² - y²) ω.√(r² - y²) ω².√(y² - r²) ω.√(y² - r²) ω².√(r² - y²) ω.√(r² - y²) ω².√(y² - r²) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The unit of work in S.I. units is Newton kg-m joule erg Newton kg-m joule erg ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The units of moment of inertia of mass are kg-m² kg/m² m²/kg kg/m kg-m² kg/m² m²/kg kg/m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In a single threaded worm and worm wheel, the number of teeth on the worm is 50. The diameter of the effort wheel is 100 mm and that of load drum is 50 mm. The velocity ratio is 200 50 400 100 200 50 400 100 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics An ideal machine is one whose efficiency is Between 80 and 90% Between 60 and 70 % Between 70 and 80% 1 Between 80 and 90% Between 60 and 70 % Between 70 and 80% 1 ANSWER DOWNLOAD EXAMIANS APP
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