Theory of Machine Which of the following is a turning pair? Shaft with collars at both ends fitted into a circular hole Lead screw of a lathe with nut Piston and cylinder of a reciprocating steam engine Ball and a socket joint Shaft with collars at both ends fitted into a circular hole Lead screw of a lathe with nut Piston and cylinder of a reciprocating steam engine Ball and a socket joint ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft has two heavy rotors mounted on it. The transverse natural frequencies, considering each of the rotor separately, are 100 Hz and 200 Hz respectively. The lowest critical speed is 5,367 r.p.m. 9,360 r.p.m. 12,000 r.p.m. 6,000 r.p.m. 5,367 r.p.m. 9,360 r.p.m. 12,000 r.p.m. 6,000 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In S.H.M., the velocity vector w.r.t. displacement vector Are in phase Leads by 90° Leads by 180° Lags by 90° Are in phase Leads by 90° Leads by 180° Lags by 90° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a Hartnell governor, if a spring of greater stiffness is used, then the governor will be Less sensitive Unaffected of sensitivity More sensitive Isochronous Less sensitive Unaffected of sensitivity More sensitive Isochronous ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Kutzbach criterion for determining the number of degrees of freedom (n) is (where l = number of links, j = number of joints and h = number of higher pairs) n = 2(l - 1) - 3j - h n = 3(l - 1) - 2j - h n = 3(l - 1) - 3j - h n = 2(l - 1) - 2j - h n = 2(l - 1) - 3j - h n = 3(l - 1) - 2j - h n = 3(l - 1) - 3j - h n = 2(l - 1) - 2j - h ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A completely constrained motion can be transmitted with. 3 links with pin joints 1 link with pin joints 2 links with pin joints 4 links with pin joints 3 links with pin joints 1 link with pin joints 2 links with pin joints 4 links with pin joints ANSWER DOWNLOAD EXAMIANS APP
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