MCQ
241. How many divisions are graduated on thimble?
20
45
25
50
242. Which of the following is true for master height gauges?
This is a stack of slip gauge blocks
Can store readings in memory
Less skilled labour
Has statistical production control
243. Which of the following is incorrect about precautions in using a micrometer?
Final movement is given by ratchet
Thimble is turned till the Measuring tip just touches the part to be measured
Part to be measured is held in right hand and micrometer in left hand for good results
Error is reading is may be due to lack of flainess of anvil । What is the accuracy range of stick
244. To check the bending in micrometer, what is the difference between the measurement of loaded and unloaded conditions for micrometer range 0 to 25 mm?
1.5µm per kg
2.5µm per kg
2.0µm per kg
3.0µm per kg
245. Master height gauge is used to measure-
Groove widths
Concentricity
Pitches
Hole location
246. What is the accuracy range of stric micrometer?
± 0.005µm
±0.5µm
±0.05µm
±0.0005µm
247. What is the range of reading error for measuring a range of height gauges of 250 mm?
±0.02
±0.04
±0.03
±0.05
248. Which of the following is correct about micrometer?
Plastic insulating grips are used on the frame
Satin chrome finish increase the reading enors
A uniform and maximum measuring force is applied
Bartel is the removable part of the frame
249. What is the standard reference temperature for the measurement of the accuracy of vernier height gauges?
20K
20°C
40K
40°C
250. Vernier is at which position when the scriber is coplanar with the base?
Vernier is exactly at the middle position of the scale
Vernier reads 1/4th of the scale
Vernier is at 3/4th position
Vernier reads zero
251. Which of the following is used for checking the perpendicular distance from the graduated face of a beam to the graduated face of Vernier-
Angle gauge
Vernier depth gauge
Feeler gauge
Slip gauge
252. What is the least count of dial indicators which can be calibrated using passmeter?
0.01mm
0.05mm
0.03mm
0.07mm
253. Which of the following is correct about Vernier height gauges?
The scriber should preferably be of more depth than jaw
The perpendicular distance between scale graduations and vernier graduations should be more than 0.01mm
The base is tapped up to an accuracy of 0.05mm
Width of interval between adjacent lines should be 1/2 or 1/3 times of the length of shortest graduations
254. Which attachment is needed to check squareness and parallelism with master height gauge?
Dial test indicator
Slip rings
Gauge block
Micrometer
255. How much measuring capacity is increased by using riser blocks with master height gauge?
500mm
600mm
800mm
700mm
256. Which of the following option is incorrect about the universal measuring instrument?
Twin digital display is present
Highly skilled operator is required
Computation capabilities
Automatically sense diameter of bores
257. Vernier calipers is an instrument of-
precision
high precision
non-precision
none of there
258. What is the value of total error for grade 1 micrometer when micrometer is tested at 20°C?
4+(L/100)µm
6+ (L/100)µm
5+ (L/100)µm
7+(L/100)µm
259. Which of the following option is correct for the given statements about vernier height gauge? Statement 1: The projection of scriber beyond the jaw should be 10 mm. Statement 2: Flatness of working surface of scriber can be checked by the knife edge.
Only statement I is correct
Only statement 2 is correct
Both the statements are correct
Both the statements are incorrect
260. Which of the following option is correct for given statements? Statement 1: Master height gauge is useful in setting other height gauges, Statement 2: Can provide a BCD output.
Only statement 1 is true
Both the statements are true
Only statement 2 is true
Both the statements are not true