Metrology ME1607 Sec C

Which one of the following statements is TRUE?

• The ‘GO’ gauge controls the upper limit of a hole1

• The ‘NO GO’ gauge controls the lower limit of a shaft

• The ‘GO’ gauge controls the lower limit of a hole

• The ‘NO GO’ gauge controls the lower limit of a hole

• None of the above

Which principle is related to Gauge design?

• Rankin principle

• Position principle1

• Taylor’s principle

• Carnot Principle

• None of the above

‘Go limit’ applied to which limit condition?

• Maximum material limit

• Minimum material limit

• Lower limit of shaft and upper limit of hole

• Moderate material limit

• All the above

Which of the following is incorrect for the gauging faces of snap gauges?

• Parallel to each other

• Square to each other

• Gauging point and work are in same plane

• Work and gauging faces are at 60 degree

• All the above

If work tolerance is 0.1 mm then how much wear tolerance is applied to ‘Go’ gauge?

• 0.01 mm

• 0.02 mm

• 0.03 mm

• 0.04 mm

• None of the above

Which of the following option is correct regarding anvils of ‘adjustable type gap gauges’?

• Gauging anvil has only sliding movement

• Gauging anvil has only rotating movement

• Gauging anvil has both sliding and rotating movement

• Anvils are of non-adjustable type

• All the above

A GO-No GO plug gauge is to be designed for measuring a hole of nominal diameter 25 mm with a hole tolerance of ± 0.015 mm. Considering 10% of work tolerance to be the gauge tolerance and no wear condition, the dimension (in mm) of the GO plug gauge as per the unilateral tolerance system is

• 
• 
• 
• 
• All the above

Which one of following is used for checking shaft diameter of a manufactured lot?

• Thread gauge

• Slip gauge

• Ring gauge

• Plug gauge

• All the above

What is the main purpose of Wringing of slip gauges?

• Increase length between mating slips

• Reduce length between mating slips

• Remove air-gap between mating slips

• Align mating slips

• None of the above

Manufactured part is ok if it followed the following conditions while checking with a limit gauge.

• Part is passed through “GO” & “NOGO” sides of the gauge.

• Part didn’t pass through “GO” & “NOGO” sides of the gauge.

• Part is passed through “GO” but didn’t pass through “NOGO” sides of the gauge.

• Part is passed through “NOGO” but didn’t pass through “GO” sides of the gauge.

• All the above