MCQOPTIONS
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MCQOPTIONS
This section includes 112 Mcqs, each offering curated multiple-choice questions to sharpen your Uncategorized topics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The property of a material by which it can be beaten or rolled into thin plates is called |
| A. | malleability |
| B. | plasticity |
| C. | ductility |
| D. | elasticity |
| Answer» B. plasticity | |
| 2. |
A member which does not regain its original shape after removal of the load producing deformation is said |
| A. | plastic |
| B. | elastic |
| C. | rigid |
| D. | none of the mentioned |
| Answer» B. elastic | |
| 3. |
The materials which have the same elastic properties in all directions are called |
| A. | isotropic |
| B. | brittle |
| C. | homogenous |
| D. | hard |
| Answer» B. brittle | |
| 4. |
In cantilever beam the deflection occurs at |
| A. | free end |
| B. | point of loading |
| C. | through out |
| D. | fixed end |
| Answer» B. point of loading | |
| 5. |
fluids are practical fluids |
| A. | ideal |
| B. | real |
| C. | vortex |
| D. | newtonian |
| Answer» C. vortex | |
| 6. |
The inverse of specific weight of a fluid is |
| A. | specific gravity |
| B. | specific volume |
| C. | compressibility |
| D. | viscosity |
| Answer» C. compressibility | |
| 7. |
Specific gravity of water is |
| A. | 0.8 |
| B. | 1 |
| C. | 1.2 |
| D. | 1.5 |
| Answer» C. 1.2 | |
| 8. |
At room temperature, tin is formed into |
| A. | gray tin |
| B. | white tin |
| C. | red tin |
| D. | yellow tin |
| Answer» C. red tin | |
| 9. |
2 PLANCK'S THEORY (DERIVATION) |
| A. | a sin |
| B. | a cos |
| C. | 2a cos |
| D. | 2a cos |
| Answer» C. 2a cos | |
| 10. |
5 W/m K |
| A. | 245 w/m2k |
| B. | 235 w/m2k |
| C. | 225 w/m2k |
| D. | 215 w/m2k |
| Answer» D. 215 w/m2k | |
| 11. |
Fluoride glass is used with |
| A. | ir waves |
| B. | uv rays |
| C. | normal light |
| D. | all of the mentioned |
| Answer» B. uv rays | |
| 12. |
Silica glass of hydroxyl concentration can be used for of wavelength. |
| A. | 100 nm to 250 nm |
| B. | 250 nm to 800 nm |
| C. | 800 nm to 1500 nm |
| D. | 100 nm to 3400 nm |
| Answer» C. 800 nm to 1500 nm | |
| 13. |
OTDR stands for |
| A. | optical time domain reflectometer |
| B. | optical transfer data rate |
| C. | optical time data registers |
| D. | none of the mentioned |
| Answer» B. optical transfer data rate | |
| 14. |
Epoxy material in fibre optics is intended for |
| A. | better optical properties |
| B. | better reflection |
| C. | better sealing |
| D. | reducing noise |
| Answer» D. reducing noise | |
| 15. |
Plastics optical cables can be used for |
| A. | short range |
| B. | medium range of distance |
| C. | long range of distance |
| D. | very high range of distance |
| Answer» B. medium range of distance | |
| 16. |
Calculate the numerical aperture of an optical fibre whose core and cladding are made of materials of refractive index 1.6 and |
| A. | 0.55677 |
| B. | 55.77 |
| C. | 0.2458 |
| D. | 0.647852 |
| Answer» B. 55.77 | |
| 17. |
y1=4sin( t+kx), y2=-4cos( t+kx), the phase difference is |
| A. | /2 |
| B. | 3 /2 |
| C. | |
| D. | zero |
| Answer» C. | |
| 18. |
If wave y=Acos( t+kx) Is moving along x- axis, the shapes of a pulse at t=0 and t=2s. |
| A. | are different |
| B. | are same |
| C. | may not be the same |
| D. | unpredictable |
| Answer» C. may not be the same | |
| 19. |
The fundamental frequency of a sonometer wire is n. If the tension is made 3 times and length and diameter are also increased 3 times, the new frequency will be |
| A. | 3n |
| B. | n/3 3 |
| C. | n/3 |
| D. | 3 n |
| Answer» C. n/3 | |
| 20. |
A wave equation is y=0.1sin[100 t-kx] and wave velocity is 100m/s, its number is equal to |
| A. | 1/m |
| B. | 2/m |
| C. | /m |
| D. | 2 /m |
| Answer» D. 2 /m | |
| 21. |
9 LOSSES ASSOCIATED WITH OPTICAL FIBERS |
| A. | 1.2 to 90 db km-1 at wavelength 0.69 m |
| B. | 3.2 to 30 db km-1 at wavelength 0.59 m |
| C. | 2.6 to 50 db km-1 at wavelength 0.85 m |
| D. | 1.6 to 60 db km-1 at wavelength 0.90 m |
| Answer» D. 1.6 to 60 db km-1 at wavelength 0.90 m | |
| 22. |
Multimode step index fibers have a |
| A. | better than multimode step index fibers |
| B. | same as multimode step index fibers |
| C. | lesser than multimode step index fibers |
| D. | negligible |
| Answer» B. same as multimode step index fibers | |
| 23. |
converts mechanical energy into hydraulic energy. |
| A. | dynamo |
| B. | pump |
| C. | turbine |
| D. | generator |
| Answer» C. turbine | |
| 24. |
Torsional sectional modulus is also known as |
| A. | polar modulus |
| B. | sectional modulus |
| C. | torsion modulus |
| D. | torsional rigidity |
| Answer» B. sectional modulus | |
| 25. |
is a measure of the strength of shaft in rotation. |
| A. | torsional modulus |
| B. | sectional modulus |
| C. | polar modulus |
| D. | torsional rigidity |
| Answer» D. torsional rigidity | |
| 26. |
Area of catchment is measured in |
| A. | mm3 |
| B. | km2 |
| C. | km |
| D. | mm |
| Answer» C. km | |
| 27. |
The power transmitted by shaft SI system is given by |
| A. | 2 nt/60 |
| B. | 3 nt/60 |
| C. | 2 nt/45 |
| D. | nt/60 w |
| Answer» B. 3 nt/60 | |
| 28. |
catchment area is a sum of free catchment area and intercepted catchment area. |
| A. | total |
| B. | additional |
| C. | combined |
| D. | overall |
| Answer» D. overall | |
| 29. |
has steep slopes and gives more run off. |
| A. | intercepted catchment area |
| B. | good catchment area |
| C. | combined catchment area |
| D. | average catchment area |
| Answer» C. combined catchment area | |
| 30. |
The angle of twist can be written as |
| A. | tl/j |
| B. | cj/tl |
| C. | tl/cj |
| D. | t/j |
| Answer» D. t/j | |
| 31. |
is a graph showing variations of discharge with time. |
| A. | rising limb graph |
| B. | crest graph |
| C. | hydraulic graph |
| D. | gauge graph |
| Answer» D. gauge graph | |
| 32. |
Runoff coefficient is denoted by |
| A. | p |
| B. | n |
| C. | k |
| D. | h |
| Answer» D. h | |
| 33. |
Trend of rainfall can be studied from |
| A. | rainfall graphs |
| B. | rainfall records |
| C. | rainfall curves |
| D. | rainfall cumulatives |
| Answer» C. rainfall curves | |
| 34. |
curve is formed due to bending of over hanging beams. |
| A. | elastic |
| B. | plastic |
| C. | flexural |
| D. | axial |
| Answer» B. plastic | |
| 35. |
The ratio of maximum deflection of a beam to its is called stiffness of the beam. |
| A. | load |
| B. | slope |
| C. | span |
| D. | reaction at the support |
| Answer» D. reaction at the support | |
| 36. |
Stiffness of the beam is inversely proportional to the of the beam. |
| A. | slope |
| B. | support reaction |
| C. | deflection |
| D. | load |
| Answer» D. load | |
| 37. |
When applied stress is of shear type, the modulus of elasticity is known as |
| A. | bulk modulus |
| B. | modulus of resilience |
| C. | shear modulus |
| D. | stiffness |
| Answer» D. stiffness | |
| 38. |
If the sun were to increase in temperature from T to 2T and its radius from R to 2R, then the ratio of the radiant energy received on earth to what it was previously, will be |
| A. | 4 |
| B. | 16 |
| C. | 32 |
| D. | 64 |
| Answer» E. | |
| 39. |
The smallest portion of the lattice is known as |
| A. | lattice structure |
| B. | lattice point |
| C. | bravais crystal |
| D. | unit cell |
| Answer» E. | |
| 40. |
A unit cell that contains lattice points only at the corners is known as |
| A. | primitive unit cell |
| B. | secondary unit cell |
| C. | layered unit cell |
| D. | derived unit cell |
| Answer» B. secondary unit cell | |
| 41. |
is the velocity with which water reaches the notch or before it flows over it. |
| A. | velocity of contact |
| B. | velocity of moment |
| C. | velocity of approach |
| D. | velocity of head |
| Answer» D. velocity of head | |
| 42. |
For water tanks and other structure which store water, the strips of copper, aluminium, galvanized iron or other collision resistance material, known as the |
| A. | joints |
| B. | waterstops |
| C. | dowels |
| D. | fillers |
| Answer» C. dowels | |
| 43. |
2 SINGLE CRYSTALS: UNIT CELL, CRYSTAL SYSTEMS, BRAVAIS LATTICES, DIRECTIONS AND PLANES IN A CRYSTAL, MILLER INDICES |
| A. | unit cell edge lengths |
| B. | distance between nearest neighbours |
| C. | cosine of angles between unit cell edges |
| D. | none of the mentioned view answer |
| Answer» B. distance between nearest neighbours | |
| 44. |
The interracial angles of a hexagonal crystal system are given by |
| A. | = = = 90o |
| B. | = = 90o = 120o |
| C. | = = 90o |
| D. | 90o |
| Answer» C. = = 90o | |
| 45. |
In the precipitation method for the growth of the crystal, the solvent melts are often known as |
| A. | electrolyte |
| B. | -particle |
| C. | - particle |
| D. | fluxes |
| Answer» E. | |
| 46. |
The axial relationship of a rhombohedral crystal system is given as |
| A. | a = b = c |
| B. | a = b c |
| C. | a b = c |
| D. | a b c |
| Answer» B. a = b c | |
| 47. |
The axial relationship of a monoclinic crystal system is given as |
| A. | a = b = c |
| B. | a = b c |
| C. | a b = c |
| D. | a b c |
| Answer» E. | |
| 48. |
The interracial angles of a triclinic crystal system are given by |
| A. | = = = 90o |
| B. | = = 90o = 120o |
| C. | = = 90o |
| D. | 90o |
| Answer» E. | |
| 49. |
According to Indian Standards, overall thermal transmittance of a wall should not be more than kcal/m2 h deg C. |
| A. | 1.3 |
| B. | 2.2 |
| C. | 3.7 |
| D. | 4.6 |
| Answer» C. 3.7 | |
| 50. |
According to Indian Standards, it is recommended that the overall thermal transmittance of a roof should not be more than kcal/m2 h deg C. |
| A. | 2.00 |
| B. | 5.00 |
| C. | 7.00 |
| D. | 9.00 |
| Answer» B. 5.00 | |