1. In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The minimum length of the coupler will be
2. 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)
3. The tractive force in a locomotive with two cylinders is given by (where c = Fraction of reciprocating parts per cylinder, m = Mass of reciprocating parts, $$\omega $$ = Angular speed of crank, r = Radius of crank and $$\theta $$ = Angle of inclination of crank to the line of stroke)
4. When the primary direct crank of a reciprocating engine makes an angle of $$\theta $$ with the line of stroke, then the secondary direct crank will make an angle of _________ with the line of stroke.
5. The lower pair is a
6. The purpose of a link is to
7. In Meyer's expansion valve, the expansion valve is driven by an eccentric having an angle of advance from
8. In Meyer's expansion valve, the main valve is driven by an eccentric having an angle of advance from
9. The angle of inclination of the plane, at which the body begins to move down the plane is called
10. The radial distance of a tooth from the pitch circle to the bottom of the tooth is called
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