MCQOPTIONS
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MCQOPTIONS
This section includes 90 Mcqs, each offering curated multiple-choice questions to sharpen your Materials Mechanics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Theorotical velocity = _______ |
| A. | (2gh)^1/3 |
| B. | (2gh)^1/2 |
| C. | (2gh)^1/4 |
| D. | 2gh |
| Answer» C. (2gh)^1/4 | |
| 2. |
A mouthpiece is a short length of a pipe which is not more than __________ times its diameter. |
| A. | 3-4 |
| B. | 5-6 |
| C. | 1 -2 |
| D. | 2-3 |
| Answer» E. | |
| 3. |
The maximum negative bending moment in fixed beam carrying udl occurs at ________ |
| A. | Mid span |
| B. | 1/3 of the span |
| C. | Supports |
| D. | Half of the span |
| Answer» D. Half of the span | |
| 4. |
_____ is a small opening made in the bottom or sides of a tank. |
| A. | Mouthpiece |
| B. | Orifice |
| C. | Sill |
| D. | Sluice |
| Answer» C. Sill | |
| 5. |
Which of the following them is also known as multi span beam _______ |
| A. | Cantilever beam |
| B. | Simply supported beam |
| C. | Fixed beam |
| D. | Continuous beam |
| Answer» E. | |
| 6. |
Which of the following is not a hydraulic coefficient? |
| A. | Coefficient of contraction |
| B. | Coefficient of discharge |
| C. | Coefficient of viscosity |
| D. | Coefficient of velocity |
| Answer» D. Coefficient of velocity | |
| 7. |
Moment distribution method is also known as __________ |
| A. | Hardy Cross method |
| B. | Macaulay’s method |
| C. | Mohr’s Theorems method |
| D. | Kennedy’s theory |
| Answer» B. Macaulay’s method | |
| 8. |
In deflection of a continuous beam, when loaded there will be convexity upwards over _________ supports. |
| A. | End |
| B. | Alternate |
| C. | Intermediate |
| D. | Every |
| Answer» D. Every | |
| 9. |
Glass is an example of _________ |
| A. | Elastic |
| B. | Brittle |
| C. | Toughness |
| D. | Hardness |
| Answer» C. Toughness | |
| 10. |
In cantilever beams, the maximum deflection occurs at ___________ |
| A. | Fixed end |
| B. | Free end |
| C. | Through out |
| D. | Point of loading |
| Answer» C. Through out | |
| 11. |
The time required for overtaking ___________ seconds. |
| A. | 9 to 14 |
| B. | 8 to 10 |
| C. | 11 to 15 |
| D. | 14 to 19 |
| Answer» B. 8 to 10 | |
| 12. |
According to IRC, the height of the object is taken to the height of ___________ mm. |
| A. | 200 mm |
| B. | 100 mm |
| C. | 450 mm |
| D. | 600 mm |
| Answer» C. 450 mm | |
| 13. |
The value of Cv varies _______ to ________ |
| A. | 0.95 – 0.99 |
| B. | 0.93 – 0.95 |
| C. | 0.97 – 1 |
| D. | 0.94 – 0.96 |
| Answer» B. 0.93 – 0.95 | |
| 14. |
The Cv taken for sharp edged orifice generally is _________ |
| A. | 0.97 |
| B. | 0.98 |
| C. | 0.95 |
| D. | 0.99 |
| Answer» C. 0.95 | |
| 15. |
Calculate the actual velocity of jet if the coefficient of velocity is 0.97. The head of water on the orifice of diameter 2 cm is 6 m. |
| A. | 11 m/s |
| B. | 12 m/s |
| C. | 10.5 m/s |
| D. | 13 m/s |
| Answer» D. 13 m/s | |
| 16. |
_________ is provided to prevent the debris from entering into the penstock. |
| A. | Tash rack |
| B. | Surge tank |
| C. | Anchor blocks |
| D. | Power house |
| Answer» B. Surge tank | |
| 17. |
In fixed beams, the maximum deflection at __________ is reduced. |
| A. | Centre |
| B. | Supports |
| C. | At point of loading |
| D. | Through out |
| Answer» B. Supports | |
| 18. |
The major losses of energy due to friction are calculated by using _________ |
| A. | Ingli’s formulae |
| B. | Emperical notations |
| C. | Chezy’s Equation |
| D. | Lacey’s Theory |
| Answer» D. Lacey’s Theory | |
| 19. |
Stiffness of the propped cantilever is _________ |
| A. | 4EI/l |
| B. | 6EI/l |
| C. | 8EI/I |
| D. | 5EI/l |
| Answer» B. 6EI/l | |
| 20. |
A beam which is inbuilt in at its support is called _________ |
| A. | Cantilever beam |
| B. | Simply supported beam |
| C. | Fixed beam |
| D. | Continuous beam |
| Answer» D. Continuous beam | |
| 21. |
Brass is an example of ____________ |
| A. | Creep |
| B. | Fatigue |
| C. | Toughness |
| D. | Hardness |
| Answer» D. Hardness | |
| 22. |
The section which has a minimum cross sectional are in a flow is known as _______ |
| A. | Vena contracta |
| B. | Thyrocade |
| C. | Submergent |
| D. | Upstream edge |
| Answer» B. Thyrocade | |
| 23. |
A propped cantilever beam carrying total load “W” distributed evenly over its entire length calculate the vertical force required in the prop. |
| A. | 3/4 W |
| B. | W |
| C. | 5/8 W |
| D. | 3/8 W |
| Answer» E. | |
| 24. |
______ curves are used to solve the problems of land acquisition. |
| A. | Vertical curves |
| B. | Horizontal curves |
| C. | Circular curves |
| D. | Transition curves |
| Answer» C. Circular curves | |
| 25. |
Which of the following is the coefficient of pitot tube? |
| A. | 0.96 |
| B. | 0.98 |
| C. | 0.97 |
| D. | 0.95 |
| Answer» C. 0.97 | |
| 26. |
In engineering properties of soils, the “e” denotes? |
| A. | Compressibility |
| B. | Water content |
| C. | Porosity |
| D. | Voids ratio |
| Answer» E. | |
| 27. |
The ratio of A/P is ___________ |
| A. | Hydraulic radius |
| B. | Arbitrary datum |
| C. | T E L |
| D. | H G L |
| Answer» B. Arbitrary datum | |
| 28. |
Which of the following device is not based on Bernoulli’s equation? |
| A. | Venturimeter |
| B. | Orificemeter |
| C. | Hydraulic lift |
| D. | Pitot tube |
| Answer» D. Pitot tube | |
| 29. |
__________ regulates the speed of turbine. |
| A. | Tail race |
| B. | Anchor blocks |
| C. | Power house |
| D. | Surge tank |
| Answer» E. | |
| 30. |
Which of the following is empirical formula coined by Francis? |
| A. | 2.36 LH³/2 |
| B. | 1.84 LH³/2 |
| C. | 3.34 LH³/2 |
| D. | 1.96 LH³/2 |
| Answer» C. 3.34 LH³/2 | |
| 31. |
The relation between hydraulic coefficients is Cd = Cc × Cv. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 32. |
_____ is a glacier deposit of sand, gravel or clay. |
| A. | Till |
| B. | Tull |
| C. | Loess |
| D. | Mart |
| Answer» B. Tull | |
| 33. |
Determine the velocity of flow in a pipe if the discharge capacity is 270 litres per second and cross sectional area is 5 cm². |
| A. | 4.5 m/s |
| B. | 5.4 m/s |
| C. | 3.4 m/s |
| D. | 2.5 m/s |
| Answer» C. 3.4 m/s | |
| 34. |
The position between the summit and the lower reservoir is known as ___________ |
| A. | Inlet leg |
| B. | Outlet leg |
| C. | Pressure head |
| D. | Datum |
| Answer» C. Pressure head | |
| 35. |
Calculate the reaction at prop of cantilever, if the span of beam is 5m and load is 20 kN. |
| A. | 4.25 kN |
| B. | 5 kN |
| C. | 6.25 kN |
| D. | 8 kN |
| Answer» D. 8 kN | |
| 36. |
Full form of TEL is _________ |
| A. | Total Emission Line |
| B. | Thermal Electro Light |
| C. | Total Energy Line |
| D. | Total Electro Light |
| Answer» D. Total Electro Light | |
| 37. |
The sheet of water flowing through a notch is called Nappe. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 38. |
About 90% railway tracks laid with ___________ rails in the world. |
| A. | DH rails |
| B. | BH rails |
| C. | FF rails |
| D. | GH rails |
| Answer» D. GH rails | |
| 39. |
The limiting gradient for mountainous terrain is ________ |
| A. | 6.00 % |
| B. | 7.00 % |
| C. | 8.00 % |
| D. | 5.00 % |
| Answer» B. 7.00 % | |
| 40. |
Which of the following devices measures the velocity of flow? |
| A. | Pitot tube |
| B. | Venturimeter |
| C. | Orificemeter |
| D. | Hydraulic jacks |
| Answer» B. Venturimeter | |
| 41. |
The _________ is more over the supports then at midspan in continuous beams. |
| A. | Slope |
| B. | Bending moment |
| C. | Deflection |
| D. | Shear force |
| Answer» C. Deflection | |
| 42. |
A fixed beam of the uniform section is carrying a point load at the centre, if the moment of inertia of the middle half portion is reduced to half its previous value, then the fixed end moments will ______ |
| A. | Increase |
| B. | Remains constant |
| C. | Decrease |
| D. | Change their direction |
| Answer» B. Remains constant | |
| 43. |
Coeffecient of discharge varies from ___________ to __________ |
| A. | 0.64 to 0.68 |
| B. | 0.61 to 0.65 |
| C. | 0.63 to 0.67 |
| D. | 0.67 to 0.7 |
| Answer» C. 0.63 to 0.67 | |
| 44. |
_____ provide gradual introduction of super elevation. |
| A. | Transition curves |
| B. | Summit curves |
| C. | Joint curves |
| D. | Adjoining curves |
| Answer» B. Summit curves | |
| 45. |
In propped cantilevers, the prop reaction is 3/8 wl. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 46. |
A beam which is supported on more than two supports is called as______ |
| A. | Fixed beam |
| B. | Continuous beam |
| C. | Cantilever beam |
| D. | Simply supported beam |
| Answer» C. Cantilever beam | |
| 47. |
Bernoulli’s equation is applicable only for ___________ flow. |
| A. | Rotational |
| B. | Steady |
| C. | Compressible |
| D. | Unsteady |
| Answer» C. Compressible | |
| 48. |
Flow in rivers is an example of __________ flow. |
| A. | Rotational |
| B. | Laminar |
| C. | Compressible |
| D. | Turbulent |
| Answer» E. | |
| 49. |
Stability of high rise vehicles will be affected due to ____________ |
| A. | Camber |
| B. | Gradient |
| C. | Super elevation |
| D. | Formation Width |
| Answer» B. Gradient | |
| 50. |
In cipoletti weir, the side slopes are _______________ |
| A. | 1 in 3 |
| B. | 1 in 2 |
| C. | 1 in 5 |
| D. | 1 in 4 |
| Answer» E. | |