MECHANIC GAUGES AND MEASURING TOOLS

Which of the following instrument is of the highest accuracy?

• Digital length gauge

• Inside micrometer

• Universal measuring instrument

• Universal height micrometer

Which of the following option is incorrect about the universal measuring instrument?

• Twin digital display is present

• Highly skilled operator is required

• Computation capabilities

• Computation capabilities

Which of the following statement is true for following statements about universal measuring instrument?

Statement 1: Microprocessor and micro switches are present.
Statement 2: Coefficient of thermal expansion of measuring instrument made of steel is the same as a component to be measured.

• FALSE, TRUE

• TRUE,TRUE

• FALSE, FALSE

• TRUE, FALSE

Which of the following instrument is used for measuring internal dimensions?

• Vernier caliper

• Outside micrometer

• Inside micrometer

• Dial indicator

What is the purpose of a dial indicator in metrology?

• To measure linear dimensions

• To measure angular dimensions

• To measure surface roughness

• To measure runout

Which of the following is a non-contact method of measurement?

• Vernier caliper

• Optical comparator

• Feeler gauge

• Depth micrometer

To check the perfect threading in hole following gauge is used

• Screw pitch gauge

• Radius gauge

• Centre gauge

• Screw plug gauge

Radius gauge is used to check-

• Internal and external radius

• Only internal radius

• Only external radius

• Irregular curve

Grade- 1 slip gauges are used in

• Workshop by operator

• Inspection Room

• Either (1) or (2)

• Neither (1) nor (2)

What is the purpose of a radius gauge in metrology?

• To measure internal and external radius

• To measure only internal radius

• To measure only external radius

• To measure irregular curve