Machinist – 1st Semester – Module 2 : Basic Fitting – 3. Fittings

Questions: Level 1
1 What is denoted by ‘V’ in the formula V = dnπ/1000?
A Feed in m / rev
B Feed in mm / rev
C Cutting speed in m / min
D Cutting speed in mm / min

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2 What is termed as peripheral speed of drill?
A Feed
B Depth of cut
C Cutting speed
D Rpm of spindle

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3 What is the expansion of rpm used in drilling?
A Revolution per mile
B Revolution per meter
C Revolution per minute
D Retardation per minute

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4 What is the distance a drill advances in one rotation while drilling?
A Feed
B Depth of cut
C Cutting speed
D Cutting length

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5 How to express feed in drilling?
A m / rev
B m / min
C mm / rev
D mm / hour

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6 What is denoted by ‘d’ in the formula v= πdn/1000 m/min ?
A Diameter of drill
B Length of the drill
C Diameter of work
D Diameter of spindle

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7 What is a vernier caliper?
A Angular measuring instrument
B Indirect measuring instrument
C Precision measuring instrument
D Telescopic measuring instrument

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8 Which is an integrated part of beam of a vernier caliper?
A Fixed jaw
B Depth bar
C Thumb lever
D Vernier slide

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9 What is the name of the graduation on the beam of a vernier caliper?
A Barrel divisions
B Thimble divisions
C Main scale divisions
D Vernier scale divisions

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10 How much distance is moved by the spindle of micrometer in one rotation?
A 0.50 mm
B 0.75 mm
C 1.00 mm
D 1.50 mm

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11 What is the least count of metric vernier micro meter?
A 0.1 mm
B 0.01 mm
C 0.001 mm
D 0.0001 mm

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12 What is the name of part marked ‘x’.?

A Column
B Spindle
C Over head shaft
D Table elevating clamp

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13 Where is the drilling machine spindle head is fixed in radial drilling machine?
A Base
B Column
C Radial arm
D Auxiliary table

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14 What is the name of the operation?

A Reaming
B Spot facing
C Counter boring
D Counter sinking

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15 What is the name of the part ‘x’?

A Base
B Column
C Radial arm
D Spindle head

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16 Which type of drilling machine is most suitable to drill in a very large and heavy work pieces?
A Piller drilling machine
B Radial drilling machine
C Portable drilling machine
D Sensitive drilling machine

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17 What is the angle of counter sink rivet head?
A 75°
B 80°
C 90°
D 120°

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18 What is the angle of beveled heads of counter sink head screws?
A 75°
B 80°
C 90°
D 120°

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19 Which type fo drilling machine is best suited to drill multiple holes in a work piece in a single setting?
A Radial
B Portable
C Sensitive
D Piller type

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