Top 150+ Solved Metrology and Measurements MCQ Questions Answer
Q. How systematic errors are eliminated?
a. frequent measurement
b. replacement of instrument
c. finding mean of reading
d. finding variance of reading
Q. Starting position of an object is represented as x=5.1±0.2m and finishing position as y=6.9±0.3m. What will be the displacement and error in displacement?
a. displacement = 1m, error = 0.5m
b. displacement = 2m, error = 0.36m
c. displacement = 1.8m, error = 0.36m
d. displacement = 1.5m, error = 0.4m
Q. Which of the following is correct for selective assembly?
a. not suitable for industrial purposes
b. cost increases due to automatic gauging
c. wastage is high due to selective selection
d. this method is followed in ball and roller bearing units
Q. Which of the following is used to check change in ocular lines position due to column rotation in universal micrometer?
a. dial indicator
b. slip gauges
c. control shaft
d. universal microscope
Q. How 34’ can be built by using angle gauges?
a. 27’+9’-3’+1’
b. 26’+10’-2’
c. 27’+10’-3’
d. 27’+8’
Q. What is the approximate size of angle gauges?
a. 76mm long and 16 wide
b. 85mm long and 26 wide
c. 16mm long and 75 wide
d. 70mm long and 18 wide
Q. Which gauges are present in the first series (degree) of angle gauges?
a. 5°, 10°, 15°, 25° and 40°
b. 1°, 3°, 9°, 27° and 41°
c. 1°, 5°, 9°, 25° and 45°
d. 5°, 10°, 15°, 30° and 45°
Q. What are the two grades of angle gauges?
a. master and tool room
b. precise and normal
c. standard and industrial
d. high and low
Q. How angle greater than 90° is measured?
a. by repeating gauges
b. using square plate
c. using sine bar
d. using auto collimator