432 Machine Drawing
dharm
d:\N-Design\Des22-1.pm5
2. To obtain full section, of the object is imagined to be removed.
(a) One fourth (b) One third (c) One half
3. In half sectional view, of the object is imagined to be removed.
(a) One half (b) One fourth (c) One third
4. and should not be shown in section.
(a) Web (b) Key
(c) Shaft along axis (d) Shaft across the axis
5. Pulley arms are shown as revolved sections (True/False).
6. Rivet sectioned across is not hatched (True/False).
7. Rivet sectioned along the length is hatched (True/False).
8. Fasterners are not hatched in longitudinal sections (True/False).
9. In drawing, sectioned view of a right hand internal thread appears as left hand thread
(True/False).
CHAPTER 5
1. A thread is specified by and _____.
2. _____ is the distance measured parallel to the axis between corresponding points on
adjacent threads.
3. _____ is the distance the screw advances axially in one turn.
4. Pitch and lead are equal in threads, however it is not the same in _____
threads.
5. _____ thread is used in brass pipe work.
6. _____ thread profile has rounded ends.
7. For transmitting power in one direction _____ thread is used.
8. _____ thread is used for transmitting high power.
9. _____ thread is stronger than square thread.
10. _____ thread is used in the screw Jack.
11. _____ thread is used on the lead screw of a lathe.
12. _____ thread is used on the shaft for transmitting power to worm wheels.
13. _____ is the included angle of ISO metric screw thread.
14. In the metric screw thread, basic profile is rounded at the _____ diameter of external
thread and _____ diameter or internal thread.
15. In double start threads, pitch is equal to _____ of lead.
16. Threads are specified as coarse or fine based on _____ value.
17. In conventional representation of threads, the root diameter is represented by
circle.
18. Both left and right hand threads are used in .
19. For coarse thread, there is only one standard pitch (True/False).
20. The size across flats in a hexagonal nut is _____.
(a) 1.5D (b) 0.9D (c) 1.5D + 3 (d) 1.2D
21. The angle of a metric thread is _____.
(a) 55° (b) 45° (c) 47 1/2° (d) 60°
