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
0 h : 0 m : 1 s