মেট্রোলজি MCQ
61. What is the use of feeler gauge?
To find the thickness of workpiece
To measure the gap width
To check straightness
To check flatness
62. What is the tensile strength of blade of feeler gauge with thickness up to 0.5mm?
170 kgF/mm²
50 kgF/mm²
270 kgF/mm²
70 kgF/mm²
63. How many grades or classes of slip gauges are present?
3
5
6
4
64. How angle greater than 90° is measured?
By repeating gauges
Using square plate
Using sine bar
Using auto collimator
65. Which of the following is not a common basic form of slip gauge?
Rectangular
Square with centre hole
Square without centre hole
Parallelogram
66. What are the two grades of angle ganges?
Master and tool room
Standard and industrial
Precise and normal
High and low
67. Which of the option is correct for given statements about slip gauges error? Statement 1: Squareness Error is the amount by which side face deviates from a right angled position with respect to each measuring face. Statement 2: Wringing occurs due to molecular adhesion.
Only statement 1 is true
Only statement 2 is true
Both the statements are true
Both the statements are not true
68. Which of the following is not a name of slip gauges?
Gauge blocks
Johannsen gauges
Linear gauges
Gage blocks
69. Which of the option is correct for given statements about slip gauge form? Statement 1: Grade 2 is the workshop grade. Statement 2: Square slip gauge is more expensive and adhere better to each other when wrong.
Only statement 1 is true
Only statement 2 is true
Both the statements are true
Both the statements are not true
70. What is the hardness of measuring jaws of vernier height gauge made up of stainless steel?
350HV
550HV
450HV
650HV
71. What is the approximate size of slip gauges?
30mm long and 10mm wide
45mm long and 15mm wide
20nmm long and 5mm wide
25mm long and 10mm wide
72. Which of the following is not the most important feature of slip gauge?
Length between measuring surface
Flatness
Surface conditions of measuring surface
Adhereness efficiency
73. How many sets of angle gauges are available?
3
2
1
4
74. Which of the following is incorrect for vernier height gauge?
Both the surfaces of measuring jaw should be at 45° to the base
These gauges can be used for scribing purposes
Removable clamps are used
Surface plate is used as datum surface for measurements
75. Which of the following is not a gauge from standard B angle gauges?
0.05’
27’
1’
30
76. What is the accuracy of master angle gauges?
0.1 sec
0.25 sec
1sec
3 sec
77. If properly wrung how much pull can two. gauge blocks can withstand?
400N
250N
330N
1000N
78. Which gauges are present in the first series (degree) of angle ganges?
5°, 10°, 15°, 25° and 40°
1° 3°.9° 27° and 41°
1°.5°.9°.25° and 45°
5°, 10°, 15°, 30° and 45°
79. In how many series the gauges can be divided?
1
2
3
4
80. What is the approximate size of angle gauges?
76mm long and 16mm wide
85mm long and 26mm wide
16mm long and 75mm wide
70mm long and 18mm wide