1. A Groove is being chipped by a chisel. How will you avoid the metal breaking off as a lump, when reaching the end of the groove ?

by chipping with light force when reaching the end

by using soluble oil

by holding the chisel with less inclination

by chipping the end portion from opposite side

Answer: by chipping the end portion from opposite side

Explanation:


2. The angle of knife edge file in cross section ?

50°

10°

40°

20°

Answer: 10°

Explanation:


3. Generally chisel are specified by their _________ ?

length of shank

length of head

length and width of cutting edge

shank and head size

Answer: length and width of cutting edge

Explanation:


4. What is the common length of the blade for hand operation in hacksaw ?

450 to 500 mm

350 to 400 mm

250 to 300 mm

150 to 200 mm

Answer: 250 to 300 mm

Explanation:


5. While chipping, the clearance angle is is the angle between ?

the working surface of the job and the top surface of cutting edge chisel

the surface at right angle to the cutting edge of chisel and the working surface of the job

the working surface of the job and the bottom surface of cutting cutting edge of chisel

none of the above

Answer: the working surface of the job and the bottom surface of cutting cutting edge of chisel

Explanation:


6. A rough file is used ?

on wood

if smooth file is not available

on irregular job

to reduce the metal rapidly

Answer: to reduce the metal rapidly

Explanation:


7. In case of a single cut file, the teeth are cut on the file face at an angle of ?

60° to the centre line of the file

80° to the centre line of the file

75° to the centre line of the file

45° to the centre line of the file

Answer: 60° to the centre line of the file

Explanation:


8. Oil grooves are to be cut in brass half bearings. Which one of the following chisels is suitable ?

cross cut chisel

flat chisel

web chisel

half round nose chisel

Answer: half round nose chisel

Explanation:


9. Find the type of file which cut material faster ?

rasp cut

double cut

second cut

single cut

Answer: double cut

Explanation:


10. Choose most appropriate answer. Desirable hardness in a file is generally _________ ?

80 HRC

30 HRC

60 HRC

20 HRC

Answer: 60 HRC

Explanation: