মেট্রোলজি MCQ
101. 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
102. 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
103. 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
104. Which of the following is incorrect about master height gauges?
Can provide a high precision standard
It has a digital readout
Has a sliding attachment
Built-in microprocessor
105. What is the permissible measuring speed in universal measuring instrument for error free reading?
1 m/sec
1 cm/sec
1 mm/sec
2 cm/sec
106. A universal measuring instrument can withstand up to which temperature for correct reading?
100°C
65°C
75°C
50°C
107. 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
108. How many push buttons are needed for convenient and easy operations?
5
7
6
8
109. Which of the following option is correct for given statements about universal measuring instrument? Statement 1: There is a rack and pinion movement in measuring slide. Statement 2: An independent power supply unit is screwed to the base.
Only statement I is true
Only statement 2 is true
Both the statements are true
Both the statements are not true
110. Which attachment is needed to check squareness and parallelism with master height gauge?
Dial test indicator
Slip rings
Gauge block
Micrometer
111. Which of the following is correct about electronic display unit of universal measuring instrument?
Sensitive to electrical interference
Non-removable
Cast iron protection cover
It is plug-in type
112. 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
113. Master height gauge is used to measure-
Groove widths
Concentricity
Pitches
Hole location
114. What is the accuracy range of stric micrometer?
± 0.005µm
±0.5µm
±0.05µm
±0.0005µm
115. 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
116. 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
117. How many divisions are graduated on thimble?
20
45
25
50
118. What is the least count of dial indicators which can be calibrated using passmeter?
0.01mm
0.05mm
0.03mm
0.07mm
119. How much measuring capacity is increased by using riser blocks with master height gauge?
500mm
600mm
800mm
700mm
120. 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