274. With viscous damping, the frequency of damped oscillations as compared to frequency of undamped vibrations is
A.Less
B.More
C.Same
D.Independent

---

275. The number of degrees of freedom in a continuous system would be
A.Zero
B.One
C.Two
D.Dependent upon the geometry of system

---

276. The frequency of vibrations with increase of damping in the case of free vibrations with coulomb damping will
A.Remain mine
B.Increase
C.Decrease
D.May increase or decrease depending upon the damping coefficient

---

277. The type of gear used for speed reduction , of 50 : 1 will be
A.Herringbone
B.Spur
C.Bevel
D.Worm wheel

---

278. The rotor of a turbine of a ship rotates clockwise when looking from the stern. If the ship travelling at certain velocity steers to the left, then the bow will
A.Remain in same position
B.Rise
C.Fall
D.Unpredictable

---

279. The rotor of a turbine of a ship rotates clockwise when looking from the stern. If the ship when travelling starts rolling at o.) rad/sec clockwise when looking from the stern, then the bow will
A.Remain in same position
B.(d) rise
C.Fall
D.Unpredictable

---

280. In Prob. 12.385, the reactions due to gyroscopic couple wheels behave as follows
A.Reaction on outside wheels is increased and on inside wheels decreased
B.Reaction on inside wheels is increased and on outside wheels decreased
C.Reaction on rear wheels in increased and on front wheels decreased
D.Reaction on rear wheels in decreased and on front wheels increased

---