The diameter of a thin wire can be calculated by using which one of the following expressions?
P.S.R + (H.S.C x LC) + Z.C
P.S.R + ( H.S.C x LC ) - Z.C
P.S.R + ( H.S.C x LC ) χ Z.C
P.S.R + ( H.S.C x L.C) ± Z.C
In a Screw Gauge the hallow cylindrical tube is graduated in millimeter called
Head scale
Pitch scale
Safety device
U shaped frame
In a Screw Gauge, the distance between two threads is called
Pitch of the screw
Least count
Zero error
Head scale reading
In a Screw gauge, the head of the sleeve is divided into small divisions called
Hallow cylindrical tube
The distance travelled by light in one year in vacuum is called
Kilometer
Light year
Astronomical distance
Altimeter
The mean distance of the centre of the sun from the centre of the earth is called
Light gear
Screw gauge works under the principle of
The screw
The vernier caliper
Newton's law
Pascal's law
If the zero of the head scale in a screw gauge lies above the pitch scale axis, the zero error is
Positive
Negative
Zero
Can not be predicted
Screw Gauge is used to measure the dimensions of very small objects upto
1 cm
0.1 cm
0.01 cm
0.001 cm
Which of the following are / is the zero error/errors of a screw gauge?
No zero error
Positive zero error
Negative zero error
All the above
