FITTER TRADE GAUGES MCQ FOR SEM 3

1) Clearance between mating parts is measured by

dial gauge

caliper gauge

“Go” gauge

feeler gauge

2) Before wringing, the mating surfaces of slip gauges should be wiped clean with

A) soft linen cloth

B) chamoise leather

C) either ‘a’ or ‘b’

D) neither ‘a’ nor ‘b’

3) For general use in workshop, slip gauges of which grade are used?

Grade—O

Grade—1

Grade—2

None of the above

4) Hardness of slip gauges should be

58 HRC

more than 63 HRC

55 HRC

50 HRC

5) Grade — 1 slip gauges are used in ...........

A) workshop by operator

B) inspection room

C) either ‘a’ or ‘b’

D) neither ‘a’ nor ‘b’

6) As per lndian Standards a special set of slip gauge is used consisting of

120 pieces

130 pieces

81 pieces

112 pieces

7) A sine bar is made with four or five equally-spaced holes on its body. The purpose of these holes is to

give good appearance to the sine bar

prevent distortion of the top surface 

reduce the weight of sine bar

handle the sine bar easily

8) A sine bar is available in standard sizes. Which one of the following is NOT a standard size of the sine bar?

100 mm

200 mm

250 mm

300 mm

9) The accuracy of reference gauge is

0.05 mm

0.01 mm

0.001 mm

0.0001 mm

10) One of the precision instruments used to check the dimensional accuracy of an external ‘V’ thread, is a screw thread micrometer. Which one of the following elements of a screw thread is checked with screw thread micrometer?

Minor diameter

Major diameter

Pitch diameter 

Pitch