1. Which one of the following machine reamer is used to correct the misalignment between the reamer axis and the work axis ?

floating blade reamer

shell reamer

machine jig reamer

chucking reamer

Answer: floating blade reamer

Explanation:


2. Which among the following cutting tool is used to finish and enlarge a hole accurately ?

drill

reamer

counter bore

all of these

Answer: reamer

Explanation:


3. Speed of reaming is ________ than drilling speed ?

less

more

equal

none of the above

Answer: less

Explanation:


4. The speed at Which the cutting edge passes over the material while cutting is known as ?

cutting speed

rpm

feed

none of the above

Answer: cutting speed

Explanation:


5. The size of the centre drill is selected on the basis of the ________ ?

diameter of the workpiece

length of workpiece

material of the workpiece

operation to be performed on the workpiece

Answer: diameter of the workpiece

Explanation:


6. A 6H7 hole is to be reamed in a steel workpiece. What size of drill will be required ?

5.5 mm

5.8 mm

6.0 mm

6.2 mm

Answer: 5.8 mm

Explanation:


7. The boring tool is a ?

multi-point cutting tool

double point cutting tool

single point cutting tool

saw teeth cutting tool

Answer: multi-point cutting tool

Explanation:


8. A single tool Which performs the combined operation of drilling and counter sinking is called .......... ?

counter sink

counter bore

centre drill

tap

Answer: centre drill

Explanation:


9. How much amount of metal is removed with the help of reamer ?

0.15 mm to 0.25 mm

0.25 mm to 0.30 mm

0.10 mm to 0.20 mm

0.02 mm to 0.15 mm

Answer: 0.02 mm to 0.15 mm

Explanation:


10. Which angle makes the rake angle in a twist drill ?

chisel angle

point angle

helix angle

clearance angle

Answer: helix angle

Explanation: