Theory of Machine The relation between number of pairs (p) forming a kinematic chain and the number of links (l) is l = 2p - 5 l = 2p - 4 l = 2p - 3 l = 2p - 2 l = 2p - 5 l = 2p - 4 l = 2p - 3 l = 2p - 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a cone pulley, if the sum of radii of the pulleys on the driving and driven shafts is constant, then Both open belt drive and crossed belt drive is recommended Open belt drive is recommended The drive is recommended depending upon the torque transmitted Crossed belt drive is recommended Both open belt drive and crossed belt drive is recommended Open belt drive is recommended The drive is recommended depending upon the torque transmitted Crossed belt drive is recommended ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The mechanism in which two are turning pairs and two are sliding pairs, is called a Scotch yoke mechanism All of these Double slider crank chain Elliptical trammel Scotch yoke mechanism All of these Double slider crank chain Elliptical trammel 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 9,360 r.p.m. 12,000 r.p.m. 5,367 r.p.m. 6,000 r.p.m. 9,360 r.p.m. 12,000 r.p.m. 5,367 r.p.m. 6,000 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Frequency of vibrations is usually expressed in Number of cycles per minute None of these Number of cycles per hour Number of cycles per second Number of cycles per minute None of these Number of cycles per hour Number of cycles per second ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness of the shaft, and I = Mass moment of inertia of the disc attached at the end of a shaft) 1/2π 2π qI (1/2π). √(q/I) 2π. √(q/I) 1/2π 2π qI (1/2π). √(q/I) 2π. √(q/I) ANSWER DOWNLOAD EXAMIANS APP
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