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Engineering Metrology
Tough Engineering Metrology
Quiz 1
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Q.1
Which of the following statement is true for dial indicators?
a) It can be used as a direct measuring instrument
b) It can only be used as a comparator
c) There is no effect on accuracy if the surface of contact point worn out
d) Test for repeatability is done only once at the starting
Q.2
What will happen if plunger lifting lever released suddenly?
a) Break the plunger
b) Lever will break
c) No effect
d) Distort rack teeth
Q.3
Which of the following is true for plunger used in dial indicator?
a) It should never be greased or oil
b) It should be greased monthly
c) It should be oil or greased after every use
d) It should be oiled weekly
Q.4
When does the back mounting used in dial indicators?
a) When space is limited and positive clamping is not required
b) When space is more and positive clamping is required
c) Space is limited and positive clamping is required
d) Space is more and positive clamping is not required
Q.5
Which of the following is not true about the clamping force and clamping of dial indicators?
a) Too great clamping force may jam the plunger
b) Clamp should be loose in case of back lug
c) Tight clamp will always cause slip
d) Steel stem are best for clamping
Q.6
Which of the following is not true for contact points used in dial indicators?
a) These are generally blackened
b) Made of hardened steel
c) General purpose contact point is of square form
d) Contact end is polished
Q.7
What is the accuracy of dial indication for 2.3 turns?
a) Within ±1 graduation
b) Within ±0.1 graduation
c) Within ±2 graduations
d) Within ±0.2 graduations
Q.8
Which of the following is true for flat surface of flat contacts in dial gauges?
a) Should be parallel to the plunger
b) Should be truly square to the measuring surface of fixture
c) Should be square to the plunger
d) Should be perpendicular to the measuring surface of plunger
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