Advertisements
Advertisements
प्रश्न
What do you understand by the following term as applied to screw gauge?
Negative zero error
Advertisements
उत्तर
Negative zero error: If the zero of the circular scale is above the reference line of the main scale, then the screw gauge is said to have negative zero error and correction is positive.
APPEARS IN
संबंधित प्रश्न
Define the least count of vernier callipers. How do you determine it?
State the formula for calculating length if:
The reading of the main scale is known and the number of vernier scale divisions coinciding with the main scale is known.
State the correction if the positive error is 7 divisions when the least count is 0.01 cm.
How do you account for positive zero error for calculating the correct diameter of wires?
How the backlash error is avoided?
State whether the following statement is true or false by writing T/F against it.
The diameter of a wire can be measured more accurately by using vernier calipers than by a screw gauge.
What is the least count in the case of the following instrument?
Screw gauge
Consider the following case where the zero of vernier scale and the zero of the main scale are clearly seen. If L.C. of the vernier calipers is 0.01 cm, write the zero error and zero correction of the following.
Consider the following case where the zero of vernier scale and the zero of the main scale are clearly seen. If L.C. of the vernier calipers is 0.01 cm, write the zero error and zero correction of the following.
The precision of vernier calipers is ______ mm.
