second year sem 3

What is the purpose of key?

• To transmit torque

• Assembly purpose

• Lock the assembly part

• Permit clearance between mating part

What is the ratio of key way tape

• 01:19:00

• 01:20:00

• 01:50:00

• 1:100

What is the name of key?

• Taper sunk key

• Flat saddle key

• Parallel sunk key

• Hallow saddle key

Which type of metal screws useful for self tapping on hard or brittle materials?

• Self piercing

• Thread cutting

• Thread forming

• Hammer driven screw

What is the advantage of wing nut?

• In coach building work

• Heavy duty assembly work

• Loosen and tighten without wrench

• Provide decorative appearance

What is the name of gauge?

• Pitch gauge

• Angle gauge

• Feeler gauge

• Radius gauge

Which gauge is used to check the accuracy of an external thread?

• Snap gauge

• Thread ring gauge

• Thread plug gauge

• Centre gauge

What is the instrument used in measuring external diameter?

• Vernier caliper

• Outside caliper

• Parallel leg caliper

• Pair of special jaws by using slip gauge

Find out the height of slip gauge ‘a’?(sin 25° = 0.4226)

• 84.50 mm

• 84.52 mm

• 84.51 mm

• 85.20 mm

How many set of feeler gauges are available as per BIS?

• Set No: 1, 2

• Set No: 1, 2, 3, 4

• Set No: 1, 2, 3, 4, 5

• Set No: 1, 2, 3, 4, 5, 6