Measuring Instruments
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Question 1 |
To measure very small lengths a __________ is used.
metre scale | |
vernier calliper | |
screw gauge | |
vernier scale |
Question 2 |
The screw head is provided with _________ to prevent from undue pressure exerted by the user.
frame | |
milled head | |
pitch | |
ratchet |
Question 3 |
The principle of the crew is used in a _______
screw gauge | |
vernier calliper | |
physical balance | |
scale |
Question 4 |
The distance between two screw threads is called ________
pitch | |
least count | |
zero error | |
zero correction |
Question 5 |
The distance moved by the tip of the screw for a rotation of one division on the head scale is _________
length of the screw | |
the pitch of the screw | |
the diameter of the screw | |
least count of the screw |
Question 6 |
The pitch scale is graduated in ________
millimetre | |
metre | |
division | |
centimetre |
Question 7 |
The head scale is graduated in _______
metre | |
division | |
millimetre | |
centimetre |
Question 8 |
If the zero of the head scale coincides with the pitch scale axis, the error in the instrument is ____________
positive | |
negative | |
zero | |
one |
Question 9 |
If the zero of the head scale is below the pitch scale axis, the error in the screw gauge is _______
positive | |
negative | |
zero | |
one |
Question 10 |
The least count of screw gauge is __________
0.01 mm | |
0.1 mm | |
0.01cm | |
0.1 cm |
Question 11 |
Screw gauge is used to measure_______
diameter of a ball bearing | |
thickness of metal sheet | |
small change in the length of rod when heated | |
all the above |
Question 12 |
The unit used to measure very long distance is ________
astronomical unit | |
kilometre | |
millimetre | |
none |
Question 13 |
The distance of the centre of the sun from the centre of the earth is ________
light year | |
astronomical unit | |
angstrom | |
kilometre |
Question 14 |
The distance travelled by light in one year in vacuum is _______
light year | |
astronomic unit | |
velocity of light | |
none |
Question 15 |
In a screw gauge, the head of the sleeve is divided into _______
1000 divisions | |
10 divisions | |
100 divisions | |
2 divisions |
Question 16 |
Match the following
- Distance between two successive thread of a screw a. Millimetre
- pitch scale b. Laser pulse method
- Least count of the screw c. Pitch of the screw
- Distance of a moon from the earth d. Pitch/ No. of head scale divisions
2 4 1 3 | |
3 1 4 2 | |
4 1 3 2 | |
1 3 2 4 |
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There are 16 questions to complete.
