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This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Metrology knowledge and support exam preparation. Choose a topic below to get started.
1. |
Which of the following factor is least important for an involute profile? |
A. | Number of teeth |
B. | Pressure angle |
C. | Pitch |
D. | Gear it mates with |
Answer» E. | |
2. |
What is the involute curve? |
A. | Point Locus on a straight line which rolls around a circle without slipping |
B. | Point Locus on a straight line which rolls around a line without slipping |
C. | Point Locus on a circle which rolls around a pitch circle without slipping |
D. | Point Locus on a circle which rolls around a line without slipping |
Answer» B. Point Locus on a straight line which rolls around a line without slipping | |
3. |
WHICH_OF_THE_FOLLOWING_FACTOR_IS_LEAST_IMPORTANT_FOR_AN_INVOLUTE_PROFILE??$ |
A. | Number of teeth |
B. | Pressure angle |
C. | Pitch |
D. | Gear it mates with |
Answer» E. | |
4. |
WHAT_IS_THE_INVOLUTE_CURVE??$ |
A. | Point Locus on a straight line which rolls around a circle without slipping |
B. | Point Locus on a straight line which rolls around a line without slipping |
C. | Point Locus on a circle which rolls around a pitch circle without slipping |
D. | Point Locus on a circle which rolls around a line without slipping |
Answer» B. Point Locus on a straight line which rolls around a line without slipping | |
5. |
What is the effect of centre distance between two gears on velocity ratio of involute gear pair? |
A. | Less for less velocity ratio |
B. | Less for more in velocity ratio |
C. | More or less for more velocity ratio |
D. | No effect |
Answer» E. | |
6. |
Which of the following is true for an involute curve? |
A. | Tangent to any point on involute is parallel to the generator at that point |
B. | Tangent to any point on involute is perpendicular to the generator at that point |
C. | Tangent to any point on involute is at 45 degree to the generator at that point |
D. | Tangent to any point on involute is at 30 degree to the generator at that point |
Answer» C. Tangent to any point on involute is at 45 degree to the generator at that point | |
7. |
What is the standard pressure angle for an involute system? |
A. | 20 or 14.5 degree |
B. | 20 or 30 degree |
C. | 30 or 14.5 degree |
D. | 40 or 30 degree |
Answer» B. 20 or 30 degree | |
8. |
Which of the following is correct about involute curve? |
A. | Involute curvature increases with increase in base circle diameter |
B. | Involute is straight line when diameter of base circle is zero |
C. | Involute curvature increases with increase in pitch circle diameter |
D. | Involute curvature decreases with increase in base circle diameter |
Answer» E. | |
9. |
Upon which factor, shape of involute curve depends? |
A. | Base circle diameter |
B. | Pitch circle diameter |
C. | Addendum circle diameter |
D. | Face width |
Answer» B. Pitch circle diameter | |
10. |
What type of teeths is present in involute rack? |
A. | Spiral |
B. | Helical |
C. | Straight |
D. | Double helical |
Answer» D. Double helical | |
11. |
Where does involute gear is used? |
A. | For crude purposes |
B. | General purpose in precision engineering |
C. | Where heavy loads comes on machine |
D. | Where impact loads comes on machine |
Answer» C. Where heavy loads comes on machine | |
12. |
What is the alternative name of involute gears? |
A. | Straight tooth gear |
B. | Helical gear |
C. | Cycloid gear |
D. | Spiral gear |
Answer» B. Helical gear | |