MCQOPTIONS
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MCQOPTIONS
This section includes 115 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Engineering Questions knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
How is interference between shaft and hole calculated? |
| A. | Interference = maximum shaft – minimum hole |
| B. | Interference = minimum shaft – maximum hole |
| C. | Interference = minimum shaft + maximum hole |
| D. | None of the above |
| Answer» B. Interference = minimum shaft – maximum hole | |
| 102. |
Grade 1 is used in |
| A. | high precision tasks |
| B. | department of inspection |
| C. | calibration of instruments |
| D. | all of the above |
| Answer» C. calibration of instruments | |
| 103. |
Fish bone diagram is also known as? |
| A. | Cause and effect chart |
| B. | Ishikawa diagram |
| C. | Both a. and b. |
| D. | None of the above |
| Answer» D. None of the above | |
| 104. |
Calculate the tool width of a gear having 30 number of teeth and with module 5 mm. |
| A. | 6.352 mm |
| B. | 5.555 mm |
| C. | 7.850 mm |
| D. | none of the above |
| Answer» D. none of the above | |
| 105. |
Calculate the taper angle, if 8 mm and 12 mm are the diameters of A and B balls respectively. Ball A is at a height of 25 mm from the horizontal ground surface and B at 15 mm. |
| A. | 14.47° |
| B. | 28.95° |
| C. | 7.23° |
| D. | None of the above |
| Answer» C. 7.23° | |
| 106. |
Calculate diameter of best wire for a Withworth thread of M 24 x 7 mm size. |
| A. | 4.04 mm |
| B. | 7.8 mm |
| C. | 3.94 mm |
| D. | 8.08 mm |
| Answer» D. 8.08 mm | |
| 107. |
At which angle does a glass plate reflector set in N.P.L. interferometer? |
| A. | 30° |
| B. | 45° |
| C. | 60° |
| D. | 90° |
| Answer» C. 60° | |
| 108. |
Analytical checking of gears includes checking of |
| A. | tooth profile |
| B. | vibrations |
| C. | noise level |
| D. | all of the above |
| Answer» B. vibrations | |
| 109. |
An interferometer is used to measure a surface of 1.85 mm. Calculate number of fringes, when λ = 0.659 μm. |
| A. | 5614.567 |
| B. | 5000.236 |
| C. | 2807.283 |
| D. | None of the above |
| Answer» B. 5000.236 | |
| 110. |
According to Taylor's principle which type of gauge checks both size and geometric features? |
| A. | Go gauge |
| B. | No go gauge |
| C. | Both a. and b. |
| D. | None of the above |
| Answer» B. No go gauge | |
| 111. |
According to laser Doppler principle, light experiences a change in its frequency when it comes in contact with a moving object depending upon |
| A. | the velocity of the object |
| B. | the direction of the object |
| C. | both a. and b. |
| D. | none of the above |
| Answer» D. none of the above | |
| 112. |
According to ISO 8402, quality is defined as |
| A. | the totality of features and characteristics of a product or service that bears on its ability to satisfy given needs |
| B. | the totality of features and characteristics of a product or service that bears on its ability to satisfy stated or implied needs |
| C. | the minimum loss imparted by the product to satisfy from the time the product is dispatched |
| D. | none of the above |
| Answer» C. the minimum loss imparted by the product to satisfy from the time the product is dispatched | |
| 113. |
According Juran's Triology, which of the following actions is performed under planning procedure? |
| A. | choosing control subjects |
| B. | organizing project teams |
| C. | project establishment |
| D. | deal with resistance to change |
| Answer» D. deal with resistance to change | |
| 114. |
A surface of 2.1 mm is to be measured using a interferometer. Calculate nominal fraction for blue light which has wavelength of 0.785 μm. |
| A. | 0.8280 |
| B. | 0.5350 |
| C. | 0.3185 |
| D. | 0.1910 |
| Answer» D. 0.1910 | |
| 115. |
A gear has 30 teeth with module 4 mm and pressure angle of 20°. Calculate length of base tangent in a gear over 7 teeth space. |
| A. | 21.25 mm |
| B. | 90.23 mm |
| C. | 62.53 mm |
| D. | None of the above |
| Answer» C. 62.53 mm | |