Advertisements
Advertisements
Question
State the purpose of ratchet in a screw gauge.
Advertisements
Solution
Ratchet helps to advance the screw by turning it until the object is gently held between the stud and spindle of the screw.
APPEARS IN
RELATED QUESTIONS
The wavelength of light of a particular colour is 5800 Å.
Express it in metre.
Name the instrument which can accurately measure the following
The internal diameter of the neck of a water bottle
How can the least count of a screw gauge be decreased?
Why is the metre length in terms of the wavelength of light considered more accurate?
The final result of the calculation in an experiment is 125,347,200. Express the number in term of significant place when accuracy is between 1 and 100
A micrometre screw gauge has a positive zero error of 7 divisions, such that its main scale is marked in 1/2 mm and the circular scale has 100 divisions. The spindle of the screw advances by 1 division complete rotation.
If this screw gauge reading is 9 divisions on the main scale and 67 divisions on the circular scale for the diameter of a thin wire, calculate
- Pitch
- L.C.
- Observed diameter
- Corrected diameter
State the formula for calculating the pitch of screw.
What is the least count in the case of the following instrument?
Spring balance
