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This section includes 2460 Mcqs, each offering curated multiple-choice questions to sharpen your Advanced Machining knowledge and support exam preparation. Choose a topic below to get started.
51. |
Consider a wave, v = 15 sin (3πt + 5sin1300t), what is the carrier and signal frequency? |
A. | 2.5Hz and 200Hz |
B. | 1.5Hz and 100Hz |
C. | 1.5Hz and 207Hz |
D. | 5.5Hz and 500Hz |
Answer» D. 5.5Hz and 500Hz | |
52. |
What is it called when two or more minerals crystallize simultaneously in a limited space? |
A. | Directive texture |
B. | Intergrowth texture |
C. | Interstitial texture |
D. | Intergranular texture |
Answer» C. Interstitial texture | |
53. |
The texture which involves polygonal or trigonal spaces in rocks is ______________ |
A. | Directive texture |
B. | Intergrowth texture |
C. | Interstitial texture |
D. | Intergranular texture |
Answer» E. | |
54. |
Example of directive texture is ______________ |
A. | Tracheod |
B. | Granitic |
C. | Trachytic |
D. | Porphyritic |
Answer» D. Porphyritic | |
55. |
Which texture indicates the flow of magma during its formation? |
A. | Equigranular |
B. | Directive |
C. | Intergrowth |
D. | Intergranular |
Answer» C. Intergrowth | |
56. |
The development of ophitic texture is completely understood. |
A. | True |
B. | False |
Answer» C. | |
57. |
The cause which is not influencing the porphyritic texture is ______________ |
A. | Difference in molecular concentration |
B. | Change in physic-chemical conditions |
C. | Relative insolubility |
D. | Change in temperature |
Answer» E. | |
58. |
The texture which the characteristics in between granitic and felsitic are ______________ |
A. | Secondary |
B. | Intermediate |
C. | Orthophyric |
D. | Transitional |
Answer» D. Transitional | |
59. |
Which of the following receptors allow ions such as Na+, K+, and Ca+2, etc. to pass through the membrane in response to the binding of a chemical messenger? |
A. | Sodium/glucose co-transporter |
B. | GLUT 1 |
C. | Na+/K+ – ATPase |
D. | Ionotropic receptors |
Answer» E. | |
60. |
Transmembrane proteins cannot have which of the following role? |
A. | Structural role |
B. | Catalytic role |
C. | Transport role |
D. | Replicative role |
Answer» E. | |
61. |
Who discovered Na+/K+ – ATPase? |
A. | Christian de Duve |
B. | Landshulz |
C. | Robert Hooke |
D. | Jens Christian Skou |
Answer» E. | |
62. |
Which of the following is true for sodium/glucose co-transporter? |
A. | They transport glucose which has sodium ion attached |
B. | It is an antiport protein |
C. | It is a uniport protein |
D. | It is a symport protein |
Answer» E. | |
63. |
Which of the following is not a transporter protein? |
A. | Na+/K+ – ATPase |
B. | GLUT 1 |
C. | Sodium/glucose co-transporter |
D. | T cell receptor |
Answer» E. | |
64. |
Which of the following is not true for Na+/K+ – ATPase? |
A. | 3 sodium ions are exported out |
B. | 2 potassium ions are imported |
C. | It uses ATP to function |
D. | It is found in specific animal cells |
Answer» E. | |
65. |
Which of the following proteins are involved in the transport of certain substances across lipid bilayer? |
A. | Extracellular matrix proteins |
B. | Peripheral proteins |
C. | Lipid-anchored proteins |
D. | Transmembrane proteins |
Answer» E. | |
66. |
Which of the following is not a transmembrane protein? |
A. | CD4 receptor |
B. | T cell receptor |
C. | B cell receptor |
D. | JAKs |
Answer» E. | |
67. |
All membrane receptors are transmembrane proteins. |
A. | False |
B. | True |
Answer» C. | |
68. |
Intermediate filaments are linked to the cytoplasmic domain of which transmembrane protein? |
A. | Selectins |
B. | Integrins |
C. | Members of IgSF |
D. | Desmosomal cadherins |
Answer» E. | |
69. |
Which of the following transmembrane protein is present in gap junctions? |
A. | Selectins |
B. | Integrins |
C. | Cadherins |
D. | Connexins |
Answer» E. | |
70. |
Which of the following transmembrane proteins form tight junctions? |
A. | Selectins and IgSF |
B. | Cadherins and selectins |
C. | Integrins and selectins |
D. | Occludin and Claudins |
Answer» E. | |
71. |
Which of the following integral membrane proteins mediate calcium-dependent cell-cell adhesion? |
A. | Selectins |
B. | Integrins |
C. | IgSF members |
D. | Cadherins |
Answer» E. | |
72. |
Which of the following is/are included in the general term avoid heterogeneity? |
A. | Dissimilar metal contact |
B. | Different phases such as vapor spaces |
C. | Uneven heat and stress contribution |
D. | Dissimilar metal contact, different phases such as vapor spaces, and uneven heat and stress distribution. |
Answer» E. | |
73. |
Uneven temperature distribution leads to higher corrosion rates and may result in stress-corrosion cracking failure. |
A. | True |
B. | False |
Answer» B. False | |
74. |
Which of the following is not a design rule for corrosion prevention? |
A. | Riveting the tanks rather than welding |
B. | Specify operating and maintenance procedures |
C. | Tank bottoms should be sloped toward drain holes |
D. | Avoid electrical contact between dissimilar metals |
Answer» B. Specify operating and maintenance procedures | |
75. |
Which of the following is the design rule to reduce erosion-corrosion? |
A. | Avoid excessive mechanical stress |
B. | Avoid sharp bend in piping systems |
C. | Avoid sharp bends in piping systems and provide thicker sections to reduce impingement effects |
D. | Avoid sharp bends in the piping system and excessive mechanical stress |
Answer» D. Avoid sharp bends in the piping system and excessive mechanical stress | |
76. |
Which of the following is/are the design rules for corrosion prevention? |
A. | Weld rather than riveting containers |
B. | Design systems for easy replacement of components that fails rapidly |
C. | Avoid excessive mechanical stress and stress concentration |
D. | Weld rather than riveting containers, design systems for easy replacements of components that fail rapidly, and avoid excessive mechanical stress and stress concentration |
Answer» E. | |
77. |
Which of the following design of vessels is/are preferred regarding corrosion prevention? |
A. | Sharp-edged vessel only |
B. | Curve edged vessel only |
C. | Both sharp and curve edged vessel |
D. | Neither sharp nor curve edged vessel |
Answer» C. Both sharp and curve edged vessel | |
78. |
What should be the approximate thickness of a wall for better performance if the corrosion rate of that wall is estimated as 1/8 inches in 1 year? |
A. | 1/2 inches |
B. | 1/8 inches |
C. | 1/4 inches |
D. | 1/16 inches |
Answer» D. 1/16 inches | |
79. |
Since corrosion is a penetrating action, it is necessary to make allowances for the reduction in thickness in designing pipes and tanks. |
A. | True |
B. | False |
Answer» B. False | |
80. |
In a cantilever of span “L” subjected to a concentrated load of “W” at a distance of L/3 from free end. The deflection is ________ |
A. | WL3/3EI |
B. | 14WL3/81EI |
C. | WL3/81EI |
D. | 8WL3/81EI |
Answer» E. | |
81. |
Solar arrays are defined in terms of ____________ |
A. | Circuits |
B. | Diodes |
C. | Kernel |
D. | Panels |
Answer» B. Diodes | |
82. |
The first solar cooker was developed in the year ____________ |
A. | 1947 |
B. | 1953 |
C. | 1945 |
D. | 1960 |
Answer» D. 1960 | |
83. |
______ bridge any opening like a window, door, cupboard etc in a building. |
A. | Sunshade |
B. | Lintel |
C. | Footings |
D. | Stairs |
Answer» C. Footings | |
84. |
_____ is measured on percentage basis. |
A. | Camber |
B. | Formation width |
C. | Super elevation |
D. | Shoulder |
Answer» B. Formation width | |
85. |
The ultimate bearing capacity/factor of safety = ____________ |
A. | Bearing capacity |
B. | Allowance bearing capacity |
C. | Safe bearing capacity |
D. | Soil consolidation capacity |
Answer» D. Soil consolidation capacity | |
86. |
______ is part of a structure which transmits the load to the soil underneath. |
A. | Basement |
B. | Plinth |
C. | Lentils |
D. | Foundation |
Answer» E. | |
87. |
The horizontal platform in between any two flights of a staircase is called ___________ |
A. | Landing |
B. | Balustrade |
C. | Nosing |
D. | Stringer |
Answer» B. Balustrade | |
88. |
Scaffolding you generally adopted when the height of structure is above ___________ |
A. | 1.3 m |
B. | 1.5 m |
C. | 1.7 m |
D. | 2.2 m |
Answer» C. 1.7 m | |
89. |
Cantilever scaffolding is also known as ____________ |
A. | mason’s scaffolding |
B. | suspended scaffolding |
C. | needle scaffolding |
D. | ladder scaffolding |
Answer» D. ladder scaffolding | |
90. |
A cantilever beam subjected to a point load at free end of span “l” m and possess flexural rigidity (EI). |
A. | Wl3 / 6EI |
B. | Wl4/ 8EI |
C. | Wl2/ 2EI |
D. | Wl4/ 5EI |
Answer» D. Wl4/ 5EI | |
91. |
Ambassadors have _____ manners. |
A. | urban |
B. | urbane |
C. | urben |
D. | urbaen |
Answer» C. urben | |
92. |
_____ were breached during the Hitler’s regime. |
A. | Canons |
B. | Canon |
C. | Cannon |
D. | Cannons |
Answer» B. Canon | |
93. |
Which of these means “bundle of cotton”? |
A. | Bail |
B. | Bael |
C. | Bale |
D. | Beal |
Answer» D. Beal | |
94. |
When we draw attention to the similarities between two things, we use compared with. |
A. | True |
B. | False |
Answer» B. False | |
95. |
When we are trying to show what someone is like, we use compared to. |
A. | True |
B. | False |
Answer» C. | |
96. |
Stainless steel is expensive. |
A. | True |
B. | False |
Answer» B. False | |
97. |
The wood used in the vessel is relatively light. |
A. | True |
B. | False |
Answer» B. False | |
98. |
Who reported that height-aspect-ratio is linked with perturbations in beer flavour? |
A. | Hoggan |
B. | Shardlow |
C. | Vrieling |
D. | Ulenberg |
Answer» D. Ulenberg | |
99. |
Which of the following is referred to as machinery mould? |
A. | Geotrichum candidum |
B. | Geotrichum capitatum |
C. | Geotrichum pneumonia |
D. | Geotrichum klebahnii |
Answer» B. Geotrichum capitatum | |
100. |
The carbon dioxide concentration can be monitored by ____________ |
A. | Manual monitor |
B. | Automatic monitor |
C. | Alarm |
D. | Automatic monitor with an audible alarm |
Answer» E. | |