Advertisements
Advertisements
प्रश्न
What do you understand by the following term as applied to screw gauge?
Positive zero error
Advertisements
उत्तर
Positive zero error: If the zero of the circular scale is below the reference line of the main scale, then the screw gauge is said to have positive zero error and the correction is negative.
APPEARS IN
संबंधित प्रश्न
Name the part of the vernier callipers which is used to measure the following
Depth of a small bottle
Explain the terms : Least count of a screw gauge.
How are they determined?
Draw a neat and labelled diagram of a screw gauge.
Name its main parts and state their functions.
State one use of a screw gauge.
Describe the procedure to measure the diameter of a wire with the help of a screw gauge.
The pitch of a screw gauge is 0.5 mm and the head scale is divided in 100 parts. What is the least count of a screw gauge?
Fig., below shows the reading obtained while measuring the diameter of a wire with a screw gauge. The screw advances by 1 division on the main scale when circular head is rotated once.
Find:
(i) Pitch of the screw gauge,
(ii) Least count of the screw gauge and
(iii) The diameter of the wire.
State the formula for calculating the least count of screw.
What is the least count in the case of the following instrument?
Screw gauge
