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
Head scale
Pitch scale
Safety device
Hallow cylindrical tube
The distance travelled by light in one year in vacuum is called
Kilometer
Light year
Astronomical distance
Altimeter
1 light light year is equal to
9.467 x 1015 m
9.467x1015 cm
9.467 x 1015 Km
9.467 x 1015 mm
The other name of screw gauge is
Rheometer
Micrometer
Nanometer
Decameter
If the zero of the head scale in a screw gauge lies below the pitch scale axis, the zero error is
Positive
Negative
Zero
Can not be predicted
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
Light year and Astronomical distance are used to measure
Long distances
Short distances
Long period of time
Short period of time
Screw Gauge is used to measure the dimensions of very small objects upto
1 cm
0.1 cm
0.01 cm
0.001 cm
Screw gauge is used to measure the diameter of
Crow bar
Thin wire
Cricket ball
Earth
