A fresh set of 20 random questions is generated every time you open this page and every time you refresh it.For each of the following multiple choice questions, choose the most appropriate answer :
1. 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
2. Length of hacksaw blade is measured from
A. one end of the toothed portion to the other end
B. centre of one pin hole to the centre of other pin hole
C. end to end of blade
D. end of one hole to the end of the other pin hole
3. Which one of the following is the function of tuyeres in the forge ?
A. Permits cooled air
B. Controls smoke and sparks
C. Acts as an outlet of products of combustion
D. No function
4. Which one of the following is not prohibited inside the I.T.I. campus
A. Using mobile
B. Wearing plastic or rubber sandals
C. Wearing loose cloth, ring, ties
D. Wearing steel toe steel cap safety shoes.
5. Which among the following tools is used for flattening the metal around punched hole ?
A. Ball pane hammer
B. Riveting hammer
C. Setting hammer
D. Sledge hammer
6. Modulus of resilience is defined as
A. Strain energy per unit volume
B. Strain energy per unit area
C. Independent of strain energy
D. None of the mentioned
7. Which among the following is used for bending hooks of flat and round steel bars ?
A. Bending links
B. Bending blocks
C. Bolster swages
D. Fork tool
8. Both hasp and latch (staple) are fastened on the tool box with
A. Nut & Bolt
B. Screws
C. Welding
D. Rivets
9. Pig iron is product of :
A. Cuploa furnace
B. Blast furnace
C. Open hearth furnace
D. Electric arc furnace
10. A simple change gear train is used to cut a certain pitch thread. Due to the nonavailability of the required gear from the set, down gear with 3 teeth more than that of the calculated value is mounted.The thread that is cut will have a pitch
A. more than that required for the full threaded length
B. less than that required for the full threaded length
C. equal to that required for the full threaded length
D. more for certain length and then less for the remaining thread length
11. Hydrochloric acid mixed with water is used for soldering
A. galvanized sheet
B. copper sheet
C. brass sheet
D. stainless steel sheet
12. While machining cast iron, the coolant used should be
A. Dry air
B. Kerosene
C. Machine oil
D. Soft water
13. In case of electric fire, which one of the following should not use
A. put water on it
B. Use sand or clay
C. Use CT
D. extinguisher
14. A simple gear train is to be used to cut a thread with a certain pitch. A driver gear with 3 teeth more than that of the calculated value is mounted due to the nonavailability of the required gear from the set. The thread that is cut will have the pitch
A. More than that required throughout the length
B. Less than that required throughout the length
C. Equal to that required throughout the length
D. More for a certain length and then less for the remaining length
15. The sliding surfaces of the lathe bed are
A. Flame hardened
B. Case hardened
C. Normalised
D. Tempered
16. What combines with Carbon to make Steel?
A. Iron
B. Wood
C. Aluminum
D. Rubber
17. Carbon percentage in HSS tool is
A. 0.75 to 1.00%
B. 1.00 to 2.00%
C. 0.60 to 0.75%
D. 0.20 to 0.30%
18. Least count of metric micrometer is
A. 0.01 mm
B. 0.05 mm
C. 0.10 mm
D. 0.50 mm
19. The distance through which a screw thread advances axially in one turn is called:
A. Pitch of thread
B. Lead of thread
C. Depth of thread
D. Diameter of thread
20. Which is the possible cause when a twist drill produces a rough hole on the job?
A. The clearance angle is too big
B. The clearance angle is too small
C. The cutting speed is too small
D. Feed rate is too high
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