1. Effort of a governor is the
- (A) Mean force exerted at the sleeve for a given percentage change of speed
- (B) Work-done at the sleeve for maximum equilibrium speed
- (C) Mean force exerted at the sleeve for maximum equilibrium speed
- (D) None of the above
Answer: Option A
2. Which of the following statement is correct for involute gears?
- (A) The interference is inherently absent.
- (B) The variation in centre distance of shafts increases radial force.
- (C) A convex flank is always in contact with concave flank.
- (D) The pressure angle is constant throughout the teeth engagement.
Answer: Option D
3. The balancing weights are introduced in planes parallel to the plane of rotation of the disturbing mass. To obtain complete dynamic balance, the minimum number of balancing weights to be introduced in different planes is
- (A) 1
- (B) 2
- (C) 3
- (D) 4
Answer: Option B
4. The gears are termed as medium velocity gears, if their peripheral velocity is
- (A) 1-3 m/s
- (B) 3-15 m/s
- (C) 15-30 m/s
- (D) 30-50 m/s
4. The gears are termed as medium velocity gears, if their peripheral velocity is
- (A) 1-3 m/s
- (B) 3-15 m/s
- (C) 15-30 m/s
- (D) 30-50 m/s
Answer: Option B
5. The pair is known as a higher pair, when the relative motion between the elements of a pair is
- (A) Turning only
- (B) Sliding only
- (C) Rolling only
- (D) Partly turning and partly sliding
Answer: Option D
6. Which of the following is used to control the speed variations of the engine caused by the fluctuations of the engine turning moment?
- (A) D-slide valve
- (B) Governor
- (C) Flywheel
- (D) Meyer's expansion valve
Answer: Option C
7. Which type of gearing is used in steering system of an automobile?
- (A) Rack and pinion
- (B) Worm and wheel
- (C) Spiral gears
- (D) None of the above
Answer: Option A
8. Which of the following is an inversion of a single slider crank chain?
- (A) Pendulum pump
- (B) Oscillating cylinder engine
- (C) Rotary internal combustion engine
- (D) All of these
Answer: Option D
9. Which of the following is an inversion of Single slider crank chain?
- (A) Beam engine
- (B) Rotary engine
- (C) Oldham’s coupling
- (D) Elliptical trammel
Answer: Option B
10. The two parallel and coplanar shafts are connected by gears having teeth parallel to the axis of the shaft. This arrangement is known as
- (A) Spur gearing
- (B) Helical gearing
- (C) Bevel gearing
- (D) Spiral gearing
Answer: Option A