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This section includes 8 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. |
What is the modified formula of checking angle of tapered hole when both the balls lie inside the groove? |
A. | SinA/2 = (R<sub>2</sub>-R<sub>1</sub>)/(H<sub>1</sub>+R<sub>2</sub>-(H<sub>2</sub>+R<sub>2</sub>)) |
B. | SinA = (R<sub>2</sub>-R<sub>1</sub>)/(H<sub>1</sub>+R<sub>2</sub>-(H<sub>2</sub>+R<sub>2</sub>)) |
C. | SinA/2 = (R<sub>2</sub>-R<sub>1</sub>)/(H<sub>1</sub>-R<sub>2</sub>-(H<sub>2</sub>+R<sub>2</sub>)) |
D. | SinA = (R<sub>2</sub>+R<sub>1</sub>)/(H<sub>1</sub>+R<sub>2</sub>-(H<sub>2</sub>+R<sub>2</sub>)) |
Answer» B. SinA = (R<sub>2</sub>-R<sub>1</sub>)/(H<sub>1</sub>+R<sub>2</sub>-(H<sub>2</sub>+R<sub>2</sub>)) | |
2. |
Which of the following is true for the measurement of small tapers by balls? |
A. | Weight of the ball cause no effect on the accuracy of reading |
B. | Measuring pressure exerted can cause axial movement |
C. | Measuring pressure exerted cause no effect on the accuracy of reading |
D. | Accuracy of small taper measurement is same as large taper |
Answer» C. Measuring pressure exerted cause no effect on the accuracy of reading | |
3. |
What is the formula to find angle of tapered hole? |
A. | CosA/2 = (R<sub>1</sub>-R<sub>2</sub>)/(H<sub>1</sub>+H<sub>2</sub>+R<sub>1</sub>-R<sub>2</sub>) |
B. | SinA/2 = (R<sub>1</sub>-R<sub>2</sub>)/(H<sub>1</sub>+H<sub>2</sub>+R<sub>1</sub>-R<sub>2</sub>) |
C. | TanA/2 = (R<sub>1</sub>-R<sub>2</sub>)/(H<sub>1</sub>+H<sub>2</sub>+R<sub>1</sub>-R<sub>2</sub>) |
D. | CotA/2 = (R<sub>1</sub>-R<sub>2</sub>)/(H<sub>1</sub>+H<sub>2</sub>+R<sub>1</sub>-R<sub>2</sub>) |
Answer» C. TanA/2 = (R<sub>1</sub>-R<sub>2</sub>)/(H<sub>1</sub>+H<sub>2</sub>+R<sub>1</sub>-R<sub>2</sub>) | |
4. |
Which of the following is true about the method of checking the angle of a tapered hole?
|
A. | nStatement 2: This method can be used to check relief clearance of dies. |
B. | T, F |
C. | F, F |
D. | T, T |
E. | F, T |
Answer» D. T, T | |
5. |
Which of the following is correct about smaller ball using in the method of checking angle of tapered hole by using balls? |
A. | Small ball should be of the size so that it will be seated somewhere in between hole |
B. | Small ball should be of the size so that it will be seated at the bottom most position in the hole |
C. | Small ball should be of the size so that it will be seated at the top most position in the hole |
D. | There is no effect of ball position on the method |
Answer» B. Small ball should be of the size so that it will be seated at the bottom most position in the hole | |
6. |
Which of the following gauge is generally used to measure distance between top of ball and tapered hole in the method of checking angle of a tapered hole? |
A. | Depth gauge |
B. | Slip gauge |
C. | Height gauge |
D. | Angle gauge |
Answer» D. Angle gauge | |
7. |
At what position a smaller ball is placed in the hole to check the angle of a tapered hole? |
A. | Lower position |
B. | Upper position |
C. | Middle position |
D. | At any position |
Answer» B. Upper position | |
8. |
How many balls are needed in the method to check the angle of a tapered hole? |
A. | 1 |
B. | 2 |
C. | 3 |
D. | 4 |
Answer» C. 3 | |