Practice Test: Question Set - 01
1. Hacksaw blade teeth get dull due to
- (A) High speed and pressure
- (B) Pressures not released during return stroke
- (C) Coolant not used
- (D) Any one of the above
2. Which one among the following scrapers is used for scraping on bearing bush?
- (A) Flat scraper
- (B) Triangular scraper
- (C) Half round scraper
- (D) Round scraper
3. File card is used for
- (A) Cleaning the workpiece
- (B) Cleaning the file teeth
- (C) Renewing the file teeth
- (D) Cleaning the chips
4. Which one of the following materials is used for making a grinding wheel?
- (A) Silicon carbide
- (B) Granite
- (C) Sand
- (D) Calcium carbonate
5. A hole of 10 mm diameter is to be finished with a hand reamer. The hole size required for reaming should be
- (A) 9.75 mm
- (B) 9.50 mm
- (C) 9.25 mm
- (D) 9.00 mm
6. The rate of feed depends upon
- (A) Finish required
- (B) Material of tool (drill)
- (C) Material to be drilled
- (D) All the above
7. A warding file is similar to
- (A) Flat file but uniform in width
- (B) Hand file but narrow in width
- (C) Flat file but thinner in thickness
- (D) Flat file but thinner and uniform in thickness
8. Hacksaw blades with fine-pitched teeth are more effective on
- (A) Thin section metal
- (B) Soft metals
- (C) Broad section metals
- (D) Non-metals
9. You have to cut an aluminium block to smooth finish. Which one of the following cut of file is most suitable?
- (A) Single cut
- (B) Double cut
- (C) Rasp cut
- (D) Circular cut
10. Which one of the following cutting fluids is used during grinding mild steel?
- (A) Mineral oil
- (B) Non-synthetic cutting oil
- (C) Soluble oil
- (D) Paraffin
11. What will happen if the job is loosely fitted between centers in cylindrical grinding?
- (A) The job will be out of round
- (B) The job will be oversized
- (C) The job will be thrown out
- (D) The job will not rotate
12. Oil grooves are to be cut in brass half bearings. Which one of the following chisels is suitable?
- (A) Flat chisel
- (B) Cross cut chisel
- (C) Half-round nose chisel
- (D) Web chisel
13. What coolant is recommended for tapping copper or aluminium?
- (A) Kerosene
- (B) Lard oil
- (C) Soda water
- (D) Dry
14. Second cut in a file is the type of
- (A) Section
- (B) Grade
- (C) Cut
- (D) Design
15. What should be the blank size of round bar for cutting M16 threads with 2 mm pitch with a die?
- (A) 15.5 mm
- (B) 15.8 mm
- (C) 15.9 mm
- (D) 16.0 mm
16. The tapping hole should be
- (A) Larger than the tap size
- (B) Smaller than the tap size
- (C) Equal to the tap size
- (D) Equal to the core (minor) diameter of the tap
17. What is the cause of a grinding wheel becoming glazed in a grinding machine?
- (A) Grinding wheel's grade is too soft
- (B) Grinding wheel's grade is too large
- (C) Feed and traverse are less
- (D) Grinding wheel's speed is too high and work speed is low
18. The grooves provided on the entire length of the body of a twist drill are called
- (A) Lips
- (B) Flutes
- (C) Margins
- (D) Webs
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